Include platform.h unconditionally: automatic part

We used to include platform.h only when MBEDTLS_PLATFORM_C was enabled, and
to define ad hoc replacements for mbedtls_xxx functions on a case-by-case
basis when MBEDTLS_PLATFORM_C was disabled. The only reason for this
complication was to allow building individual source modules without copying
platform.h. This is not something we support or recommend anymore, so get
rid of the complication: include platform.h unconditionally.

There should be no change in behavior since just including the header should
not change the behavior of a program.

This commit replaces most occurrences of conditional inclusion of
platform.h, using the following code:

```
perl -i -0777 -pe 's!#if.*\n#include "mbedtls/platform.h"\n(#else.*\n(#define (mbedtls|MBEDTLS)_.*\n|#include <(stdarg|stddef|stdio|stdlib|string|time)\.h>\n)*)?#endif.*!#include "mbedtls/platform.h"!mg' $(git grep -l '#include "mbedtls/platform.h"')
```

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
diff --git a/3rdparty/everest/library/everest.c b/3rdparty/everest/library/everest.c
index 82c4e03..fefc6a2 100644
--- a/3rdparty/everest/library/everest.c
+++ b/3rdparty/everest/library/everest.c
@@ -28,12 +28,7 @@
 #include "everest/x25519.h"
 #include "everest/everest.h"
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#define mbedtls_calloc calloc
-#define mbedtls_free   free
-#endif
 
 #if defined(MBEDTLS_ECDH_VARIANT_EVEREST_ENABLED)
 
diff --git a/library/aes.c b/library/aes.c
index ca94e0a..872930f 100644
--- a/library/aes.c
+++ b/library/aes.c
@@ -41,12 +41,7 @@
 #endif
 
 #if defined(MBEDTLS_SELF_TEST)
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdio.h>
-#define mbedtls_printf printf
-#endif /* MBEDTLS_PLATFORM_C */
 #endif /* MBEDTLS_SELF_TEST */
 
 #if !defined(MBEDTLS_AES_ALT)
diff --git a/library/aria.c b/library/aria.c
index bc05c4a..cfa69c2 100644
--- a/library/aria.c
+++ b/library/aria.c
@@ -32,12 +32,7 @@
 #include <string.h>
 
 #if defined(MBEDTLS_SELF_TEST)
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdio.h>
-#define mbedtls_printf printf
-#endif /* MBEDTLS_PLATFORM_C */
 #endif /* MBEDTLS_SELF_TEST */
 
 #if !defined(MBEDTLS_ARIA_ALT)
diff --git a/library/asn1parse.c b/library/asn1parse.c
index 83c7c58..d874fff 100644
--- a/library/asn1parse.c
+++ b/library/asn1parse.c
@@ -31,13 +31,7 @@
 #include "mbedtls/bignum.h"
 #endif
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdlib.h>
-#define mbedtls_calloc    calloc
-#define mbedtls_free       free
-#endif
 
 /*
  * ASN.1 DER decoding routines
diff --git a/library/asn1write.c b/library/asn1write.c
index 053dbb6..f1adcb5 100644
--- a/library/asn1write.c
+++ b/library/asn1write.c
@@ -26,13 +26,7 @@
 
 #include <string.h>
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdlib.h>
-#define mbedtls_calloc    calloc
-#define mbedtls_free       free
-#endif
 
 int mbedtls_asn1_write_len( unsigned char **p, const unsigned char *start, size_t len )
 {
diff --git a/library/base64.c b/library/base64.c
index 83daa0b..9021a04 100644
--- a/library/base64.c
+++ b/library/base64.c
@@ -28,12 +28,7 @@
 
 #if defined(MBEDTLS_SELF_TEST)
 #include <string.h>
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdio.h>
-#define mbedtls_printf printf
-#endif /* MBEDTLS_PLATFORM_C */
 #endif /* MBEDTLS_SELF_TEST */
 
 #define BASE64_SIZE_T_MAX   ( (size_t) -1 ) /* SIZE_T_MAX is not standard */
diff --git a/library/bignum.c b/library/bignum.c
index acf620f..24b6abe 100644
--- a/library/bignum.c
+++ b/library/bignum.c
@@ -48,15 +48,7 @@
 #include <limits.h>
 #include <string.h>
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdio.h>
-#include <stdlib.h>
-#define mbedtls_printf     printf
-#define mbedtls_calloc    calloc
-#define mbedtls_free       free
-#endif
 
 #define MPI_VALIDATE_RET( cond )                                       \
     MBEDTLS_INTERNAL_VALIDATE_RET( cond, MBEDTLS_ERR_MPI_BAD_INPUT_DATA )
diff --git a/library/bignum_core.c b/library/bignum_core.c
index 8e89766..4471a4d 100644
--- a/library/bignum_core.c
+++ b/library/bignum_core.c
@@ -26,15 +26,7 @@
 #include "mbedtls/error.h"
 #include "mbedtls/platform_util.h"
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdio.h>
-#include <stdlib.h>
-#define mbedtls_printf      printf
-#define mbedtls_calloc      calloc
-#define mbedtls_free        free
-#endif
 
 #include "bignum_core.h"
 
diff --git a/library/bignum_mod.c b/library/bignum_mod.c
index de28093..f2c11a5 100644
--- a/library/bignum_mod.c
+++ b/library/bignum_mod.c
@@ -27,15 +27,7 @@
 #include "mbedtls/error.h"
 #include "mbedtls/bignum.h"
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdio.h>
-#include <stdlib.h>
-#define mbedtls_printf      printf
-#define mbedtls_calloc      calloc
-#define mbedtls_free        free
-#endif
 
 #include "bignum_core.h"
 #include "bignum_mod.h"
diff --git a/library/bignum_mod_raw.c b/library/bignum_mod_raw.c
index 8c89b2c..e1c96d6 100644
--- a/library/bignum_mod_raw.c
+++ b/library/bignum_mod_raw.c
@@ -26,15 +26,7 @@
 #include "mbedtls/error.h"
 #include "mbedtls/platform_util.h"
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdio.h>
-#include <stdlib.h>
-#define mbedtls_printf      printf
-#define mbedtls_calloc      calloc
-#define mbedtls_free        free
-#endif
 
 #include "bignum_core.h"
 #include "bignum_mod_raw.h"
diff --git a/library/camellia.c b/library/camellia.c
index 29d730a..24651a9 100644
--- a/library/camellia.c
+++ b/library/camellia.c
@@ -33,12 +33,7 @@
 #include <string.h>
 
 #if defined(MBEDTLS_SELF_TEST)
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdio.h>
-#define mbedtls_printf printf
-#endif /* MBEDTLS_PLATFORM_C */
 #endif /* MBEDTLS_SELF_TEST */
 
 #if !defined(MBEDTLS_CAMELLIA_ALT)
diff --git a/library/chacha20.c b/library/chacha20.c
index 658f046..f92e507 100644
--- a/library/chacha20.c
+++ b/library/chacha20.c
@@ -33,12 +33,7 @@
 #include <string.h>
 
 #if defined(MBEDTLS_SELF_TEST)
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdio.h>
-#define mbedtls_printf printf
-#endif /* MBEDTLS_PLATFORM_C */
 #endif /* MBEDTLS_SELF_TEST */
 
 #if !defined(MBEDTLS_CHACHA20_ALT)
diff --git a/library/chachapoly.c b/library/chachapoly.c
index dc75b20..9ae043b 100644
--- a/library/chachapoly.c
+++ b/library/chachapoly.c
@@ -29,12 +29,7 @@
 #include <string.h>
 
 #if defined(MBEDTLS_SELF_TEST)
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdio.h>
-#define mbedtls_printf printf
-#endif /* MBEDTLS_PLATFORM_C */
 #endif /* MBEDTLS_SELF_TEST */
 
 #if !defined(MBEDTLS_CHACHAPOLY_ALT)
diff --git a/library/cipher.c b/library/cipher.c
index 0bac4ee..4de290a 100644
--- a/library/cipher.c
+++ b/library/cipher.c
@@ -63,12 +63,7 @@
 #include "mbedtls/nist_kw.h"
 #endif
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#define mbedtls_calloc calloc
-#define mbedtls_free   free
-#endif
 
 #define CIPHER_VALIDATE_RET( cond )    \
     MBEDTLS_INTERNAL_VALIDATE_RET( cond, MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA )
diff --git a/library/cipher_wrap.c b/library/cipher_wrap.c
index 7da7d9d..8e395b3 100644
--- a/library/cipher_wrap.c
+++ b/library/cipher_wrap.c
@@ -68,13 +68,7 @@
 #include <string.h>
 #endif
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdlib.h>
-#define mbedtls_calloc    calloc
-#define mbedtls_free       free
-#endif
 
 #if defined(MBEDTLS_GCM_C)
 /* shared by all GCM ciphers */
diff --git a/library/ctr_drbg.c b/library/ctr_drbg.c
index 8919c78..d55f9a4 100644
--- a/library/ctr_drbg.c
+++ b/library/ctr_drbg.c
@@ -37,12 +37,7 @@
 #endif
 
 #if defined(MBEDTLS_SELF_TEST)
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdio.h>
-#define mbedtls_printf printf
-#endif /* MBEDTLS_PLATFORM_C */
 #endif /* MBEDTLS_SELF_TEST */
 
 /*
diff --git a/library/debug.c b/library/debug.c
index fa60d13..bdbf6dd 100644
--- a/library/debug.c
+++ b/library/debug.c
@@ -21,16 +21,7 @@
 
 #if defined(MBEDTLS_DEBUG_C)
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdlib.h>
-#define mbedtls_calloc      calloc
-#define mbedtls_free        free
-#define mbedtls_time_t      time_t
-#define mbedtls_snprintf    snprintf
-#define mbedtls_vsnprintf   vsnprintf
-#endif
 
 #include "mbedtls/debug.h"
 #include "mbedtls/error.h"
diff --git a/library/des.c b/library/des.c
index 91d22b5..0576099 100644
--- a/library/des.c
+++ b/library/des.c
@@ -34,12 +34,7 @@
 #include <string.h>
 
 #if defined(MBEDTLS_SELF_TEST)
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdio.h>
-#define mbedtls_printf printf
-#endif /* MBEDTLS_PLATFORM_C */
 #endif /* MBEDTLS_SELF_TEST */
 
 #if !defined(MBEDTLS_DES_ALT)
diff --git a/library/dhm.c b/library/dhm.c
index 1e95bda..c01388e 100644
--- a/library/dhm.c
+++ b/library/dhm.c
@@ -43,15 +43,7 @@
 #include "mbedtls/asn1.h"
 #endif
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdlib.h>
-#include <stdio.h>
-#define mbedtls_printf     printf
-#define mbedtls_calloc    calloc
-#define mbedtls_free       free
-#endif
 
 #if !defined(MBEDTLS_DHM_ALT)
 
diff --git a/library/ecdsa.c b/library/ecdsa.c
index dcdf83c..c58e331 100644
--- a/library/ecdsa.c
+++ b/library/ecdsa.c
@@ -36,13 +36,7 @@
 #include "mbedtls/hmac_drbg.h"
 #endif
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdlib.h>
-#define mbedtls_calloc    calloc
-#define mbedtls_free       free
-#endif
 
 #include "mbedtls/platform_util.h"
 #include "mbedtls/error.h"
diff --git a/library/ecjpake.c b/library/ecjpake.c
index 308c1af..6cb70c0 100644
--- a/library/ecjpake.c
+++ b/library/ecjpake.c
@@ -815,12 +815,7 @@
 
 #if defined(MBEDTLS_SELF_TEST)
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdio.h>
-#define mbedtls_printf     printf
-#endif
 
 #if !defined(MBEDTLS_ECP_DP_SECP256R1_ENABLED) || \
     !defined(MBEDTLS_SHA256_C)
diff --git a/library/ecp.c b/library/ecp.c
index 009be61..ee6c24a 100644
--- a/library/ecp.c
+++ b/library/ecp.c
@@ -84,15 +84,7 @@
 
 #if !defined(MBEDTLS_ECP_ALT)
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdlib.h>
-#include <stdio.h>
-#define mbedtls_printf     printf
-#define mbedtls_calloc    calloc
-#define mbedtls_free       free
-#endif
 
 #include "ecp_internal_alt.h"
 
diff --git a/library/entropy.c b/library/entropy.c
index 08c5bd7..12184d6 100644
--- a/library/entropy.c
+++ b/library/entropy.c
@@ -32,17 +32,10 @@
 #include <stdio.h>
 #endif
 
-#if defined(MBEDTLS_ENTROPY_NV_SEED)
 #include "mbedtls/platform.h"
-#endif
 
 #if defined(MBEDTLS_SELF_TEST)
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdio.h>
-#define mbedtls_printf     printf
-#endif /* MBEDTLS_PLATFORM_C */
 #endif /* MBEDTLS_SELF_TEST */
 
 
diff --git a/library/entropy_poll.c b/library/entropy_poll.c
index 2ae57fd..2df9bbe 100644
--- a/library/entropy_poll.c
+++ b/library/entropy_poll.c
@@ -35,9 +35,7 @@
 #if defined(MBEDTLS_TIMING_C)
 #include "mbedtls/timing.h"
 #endif
-#if defined(MBEDTLS_ENTROPY_NV_SEED) || !defined(HAVE_SYSCTL_ARND)
 #include "mbedtls/platform.h"
-#endif
 
 #if !defined(MBEDTLS_NO_PLATFORM_ENTROPY)
 
diff --git a/library/hmac_drbg.c b/library/hmac_drbg.c
index 8b13a86..3c89f57 100644
--- a/library/hmac_drbg.c
+++ b/library/hmac_drbg.c
@@ -38,12 +38,7 @@
 #endif
 
 #if defined(MBEDTLS_SELF_TEST)
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdio.h>
-#define mbedtls_printf printf
-#endif /* MBEDTLS_SELF_TEST */
 #endif /* MBEDTLS_PLATFORM_C */
 
 /*
diff --git a/library/md.c b/library/md.c
index a387da5..8efcf10 100644
--- a/library/md.c
+++ b/library/md.c
@@ -36,13 +36,7 @@
 #include "mbedtls/sha256.h"
 #include "mbedtls/sha512.h"
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdlib.h>
-#define mbedtls_calloc    calloc
-#define mbedtls_free       free
-#endif
 
 #include <string.h>
 
diff --git a/library/md5.c b/library/md5.c
index a9bbcb4..a01b6dd 100644
--- a/library/md5.c
+++ b/library/md5.c
@@ -33,12 +33,7 @@
 #include <string.h>
 
 #if defined(MBEDTLS_SELF_TEST)
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdio.h>
-#define mbedtls_printf printf
-#endif /* MBEDTLS_PLATFORM_C */
 #endif /* MBEDTLS_SELF_TEST */
 
 #if !defined(MBEDTLS_MD5_ALT)
diff --git a/library/mps_trace.h b/library/mps_trace.h
index 7c23601..820a1b6 100644
--- a/library/mps_trace.h
+++ b/library/mps_trace.h
@@ -30,13 +30,7 @@
 #include "mps_common.h"
 #include "mps_trace.h"
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdio.h>
-#define mbedtls_printf    printf
-#define mbedtls_vsnprintf vsnprintf
-#endif /* MBEDTLS_PLATFORM_C */
 
 #if defined(MBEDTLS_MPS_ENABLE_TRACE)
 
diff --git a/library/net_sockets.c b/library/net_sockets.c
index d1700f3..637b9f8 100644
--- a/library/net_sockets.c
+++ b/library/net_sockets.c
@@ -37,11 +37,7 @@
 #error "This module only works on Unix and Windows, see MBEDTLS_NET_C in mbedtls_config.h"
 #endif
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdlib.h>
-#endif
 
 #include "mbedtls/net_sockets.h"
 #include "mbedtls/error.h"
diff --git a/library/nist_kw.c b/library/nist_kw.c
index 1aea0b6..6be6998 100644
--- a/library/nist_kw.c
+++ b/library/nist_kw.c
@@ -40,12 +40,7 @@
 #include <string.h>
 
 #if defined(MBEDTLS_SELF_TEST) && defined(MBEDTLS_AES_C)
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdio.h>
-#define mbedtls_printf printf
-#endif /* MBEDTLS_PLATFORM_C */
 #endif /* MBEDTLS_SELF_TEST && MBEDTLS_AES_C */
 
 #if !defined(MBEDTLS_NIST_KW_ALT)
diff --git a/library/oid.c b/library/oid.c
index 4ecf621..9a20a27 100644
--- a/library/oid.c
+++ b/library/oid.c
@@ -32,11 +32,7 @@
 #include <stdio.h>
 #include <string.h>
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#define mbedtls_snprintf snprintf
-#endif
 
 /*
  * Macro to automatically add the size of #define'd OIDs
diff --git a/library/pem.c b/library/pem.c
index f2ee5ca..1e2e2c1 100644
--- a/library/pem.c
+++ b/library/pem.c
@@ -33,13 +33,7 @@
 
 #include <string.h>
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdlib.h>
-#define mbedtls_calloc    calloc
-#define mbedtls_free       free
-#endif
 
 #if defined(MBEDTLS_USE_PSA_CRYPTO)
 #include "psa/crypto.h"
diff --git a/library/pk_wrap.c b/library/pk_wrap.c
index 2d4f4f2..5de8fa6 100644
--- a/library/pk_wrap.c
+++ b/library/pk_wrap.c
@@ -55,13 +55,7 @@
 #include "hash_info.h"
 #endif
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdlib.h>
-#define mbedtls_calloc    calloc
-#define mbedtls_free       free
-#endif
 
 #include <limits.h>
 #include <stdint.h>
diff --git a/library/pkcs5.c b/library/pkcs5.c
index 847496d..ac5945a 100644
--- a/library/pkcs5.c
+++ b/library/pkcs5.c
@@ -42,12 +42,7 @@
 
 #include <string.h>
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdio.h>
-#define mbedtls_printf printf
-#endif
 
 #include "hash_info.h"
 #include "mbedtls/psa_util.h"
diff --git a/library/pkparse.c b/library/pkparse.c
index 73d59a6..9b65165 100644
--- a/library/pkparse.c
+++ b/library/pkparse.c
@@ -48,13 +48,7 @@
 #include "mbedtls/pkcs12.h"
 #endif
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdlib.h>
-#define mbedtls_calloc    calloc
-#define mbedtls_free       free
-#endif
 
 /* Parameter validation macros based on platform_util.h */
 #define PK_VALIDATE_RET( cond )    \
diff --git a/library/pkwrite.c b/library/pkwrite.c
index 8b99340..c198e6c 100644
--- a/library/pkwrite.c
+++ b/library/pkwrite.c
@@ -51,13 +51,7 @@
 #include "psa/crypto.h"
 #include "mbedtls/psa_util.h"
 #endif
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdlib.h>
-#define mbedtls_calloc    calloc
-#define mbedtls_free       free
-#endif
 
 /* Parameter validation macros based on platform_util.h */
 #define PK_VALIDATE_RET( cond )    \
diff --git a/library/poly1305.c b/library/poly1305.c
index 7375a0c..a2b2233 100644
--- a/library/poly1305.c
+++ b/library/poly1305.c
@@ -29,12 +29,7 @@
 #include <string.h>
 
 #if defined(MBEDTLS_SELF_TEST)
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdio.h>
-#define mbedtls_printf printf
-#endif /* MBEDTLS_PLATFORM_C */
 #endif /* MBEDTLS_SELF_TEST */
 
 #if !defined(MBEDTLS_POLY1305_ALT)
diff --git a/library/psa_crypto_slot_management.c b/library/psa_crypto_slot_management.c
index a18350e..9dceaac 100644
--- a/library/psa_crypto_slot_management.c
+++ b/library/psa_crypto_slot_management.c
@@ -34,12 +34,7 @@
 
 #include <stdlib.h>
 #include <string.h>
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#define mbedtls_calloc calloc
-#define mbedtls_free   free
-#endif
 
 #define ARRAY_LENGTH( array ) ( sizeof( array ) / sizeof( *( array ) ) )
 
diff --git a/library/psa_crypto_storage.c b/library/psa_crypto_storage.c
index db7786d..3186a36 100644
--- a/library/psa_crypto_storage.c
+++ b/library/psa_crypto_storage.c
@@ -36,13 +36,7 @@
 #include "psa/internal_trusted_storage.h"
 #endif
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdlib.h>
-#define mbedtls_calloc   calloc
-#define mbedtls_free     free
-#endif
 
 
 
diff --git a/library/psa_its_file.c b/library/psa_its_file.c
index b7c2e6b..a35ac24 100644
--- a/library/psa_its_file.c
+++ b/library/psa_its_file.c
@@ -22,11 +22,7 @@
 
 #if defined(MBEDTLS_PSA_ITS_FILE_C)
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#define mbedtls_snprintf   snprintf
-#endif
 
 #if defined(_WIN32)
 #include <windows.h>
diff --git a/library/ripemd160.c b/library/ripemd160.c
index 41d8387..1c7e17f 100644
--- a/library/ripemd160.c
+++ b/library/ripemd160.c
@@ -34,12 +34,7 @@
 #include <string.h>
 
 #if defined(MBEDTLS_SELF_TEST)
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdio.h>
-#define mbedtls_printf printf
-#endif /* MBEDTLS_PLATFORM_C */
 #endif /* MBEDTLS_SELF_TEST */
 
 #if !defined(MBEDTLS_RIPEMD160_ALT)
diff --git a/library/rsa.c b/library/rsa.c
index e597555..df6d59c 100644
--- a/library/rsa.c
+++ b/library/rsa.c
@@ -63,14 +63,7 @@
 #endif /* MBEDTLS_MD_C */
 #endif /* MBEDTLS_PKCS1_V21 */
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdio.h>
-#define mbedtls_printf printf
-#define mbedtls_calloc calloc
-#define mbedtls_free   free
-#endif
 
 #if !defined(MBEDTLS_RSA_ALT)
 
diff --git a/library/sha1.c b/library/sha1.c
index 6fc9371..4f65e23 100644
--- a/library/sha1.c
+++ b/library/sha1.c
@@ -33,12 +33,7 @@
 #include <string.h>
 
 #if defined(MBEDTLS_SELF_TEST)
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdio.h>
-#define mbedtls_printf printf
-#endif /* MBEDTLS_PLATFORM_C */
 #endif /* MBEDTLS_SELF_TEST */
 
 #define SHA1_VALIDATE_RET(cond)                             \
diff --git a/library/sha256.c b/library/sha256.c
index ac15ef8..2e65e6f 100644
--- a/library/sha256.c
+++ b/library/sha256.c
@@ -33,15 +33,7 @@
 #include <string.h>
 
 #if defined(MBEDTLS_SELF_TEST)
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdio.h>
-#include <stdlib.h>
-#define mbedtls_printf printf
-#define mbedtls_calloc    calloc
-#define mbedtls_free       free
-#endif /* MBEDTLS_PLATFORM_C */
 #endif /* MBEDTLS_SELF_TEST */
 
 #if defined(__aarch64__)
diff --git a/library/sha512.c b/library/sha512.c
index be03ec3..beb548a 100644
--- a/library/sha512.c
+++ b/library/sha512.c
@@ -39,15 +39,7 @@
 #include <string.h>
 
 #if defined(MBEDTLS_SELF_TEST)
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdio.h>
-#include <stdlib.h>
-#define mbedtls_printf printf
-#define mbedtls_calloc    calloc
-#define mbedtls_free       free
-#endif /* MBEDTLS_PLATFORM_C */
 #endif /* MBEDTLS_SELF_TEST */
 
 #if defined(__aarch64__)
diff --git a/library/ssl_cache.c b/library/ssl_cache.c
index 6505e11..8405d27 100644
--- a/library/ssl_cache.c
+++ b/library/ssl_cache.c
@@ -25,13 +25,7 @@
 
 #if defined(MBEDTLS_SSL_CACHE_C)
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdlib.h>
-#define mbedtls_calloc    calloc
-#define mbedtls_free      free
-#endif
 
 #include "mbedtls/ssl_cache.h"
 #include "ssl_misc.h"
diff --git a/library/ssl_ciphersuites.c b/library/ssl_ciphersuites.c
index dc50449..591beb8 100644
--- a/library/ssl_ciphersuites.c
+++ b/library/ssl_ciphersuites.c
@@ -23,11 +23,7 @@
 
 #if defined(MBEDTLS_SSL_TLS_C)
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdlib.h>
-#endif
 
 #include "mbedtls/ssl_ciphersuites.h"
 #include "mbedtls/ssl.h"
diff --git a/library/ssl_client.c b/library/ssl_client.c
index e7453d5..b4c645a 100644
--- a/library/ssl_client.c
+++ b/library/ssl_client.c
@@ -24,13 +24,7 @@
 #if defined(MBEDTLS_SSL_CLI_C)
 #if defined(MBEDTLS_SSL_PROTO_TLS1_3) || defined(MBEDTLS_SSL_PROTO_TLS1_2)
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdlib.h>
-#define mbedtls_calloc    calloc
-#define mbedtls_free      free
-#endif
 
 #include <string.h>
 
diff --git a/library/ssl_cookie.c b/library/ssl_cookie.c
index 8777833..1c0cbe0 100644
--- a/library/ssl_cookie.c
+++ b/library/ssl_cookie.c
@@ -25,12 +25,7 @@
 
 #if defined(MBEDTLS_SSL_COOKIE_C)
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#define mbedtls_calloc    calloc
-#define mbedtls_free      free
-#endif
 
 #include "mbedtls/ssl_cookie.h"
 #include "ssl_misc.h"
diff --git a/library/ssl_msg.c b/library/ssl_msg.c
index dbef29b..5ceb145 100644
--- a/library/ssl_msg.c
+++ b/library/ssl_msg.c
@@ -26,13 +26,7 @@
 
 #if defined(MBEDTLS_SSL_TLS_C)
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdlib.h>
-#define mbedtls_calloc    calloc
-#define mbedtls_free      free
-#endif
 
 #include "mbedtls/ssl.h"
 #include "ssl_misc.h"
diff --git a/library/ssl_ticket.c b/library/ssl_ticket.c
index 359686a..e39563b 100644
--- a/library/ssl_ticket.c
+++ b/library/ssl_ticket.c
@@ -21,13 +21,7 @@
 
 #if defined(MBEDTLS_SSL_TICKET_C)
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdlib.h>
-#define mbedtls_calloc    calloc
-#define mbedtls_free      free
-#endif
 
 #include "ssl_misc.h"
 #include "mbedtls/ssl_ticket.h"
diff --git a/library/ssl_tls.c b/library/ssl_tls.c
index af65e6d..173ae25 100644
--- a/library/ssl_tls.c
+++ b/library/ssl_tls.c
@@ -27,15 +27,7 @@
 
 #include <assert.h>
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdlib.h>
-#include <stdio.h>
-#define mbedtls_calloc    calloc
-#define mbedtls_free      free
-#define mbedtls_printf    printf
-#endif /* !MBEDTLS_PLATFORM_C */
 
 #include "mbedtls/ssl.h"
 #include "ssl_client.h"
diff --git a/library/ssl_tls12_client.c b/library/ssl_tls12_client.c
index d1ec55c..7b62e71 100644
--- a/library/ssl_tls12_client.c
+++ b/library/ssl_tls12_client.c
@@ -21,13 +21,7 @@
 
 #if defined(MBEDTLS_SSL_CLI_C) && defined(MBEDTLS_SSL_PROTO_TLS1_2)
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdlib.h>
-#define mbedtls_calloc    calloc
-#define mbedtls_free      free
-#endif
 
 #include "mbedtls/ssl.h"
 #include "ssl_client.h"
diff --git a/library/ssl_tls12_server.c b/library/ssl_tls12_server.c
index 997f584..66c61a3 100644
--- a/library/ssl_tls12_server.c
+++ b/library/ssl_tls12_server.c
@@ -21,13 +21,7 @@
 
 #if defined(MBEDTLS_SSL_SRV_C) && defined(MBEDTLS_SSL_PROTO_TLS1_2)
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdlib.h>
-#define mbedtls_calloc    calloc
-#define mbedtls_free      free
-#endif
 
 #include "mbedtls/ssl.h"
 #include "ssl_misc.h"
diff --git a/library/ssl_tls13_server.c b/library/ssl_tls13_server.c
index a10e59b..ee0ffab 100644
--- a/library/ssl_tls13_server.c
+++ b/library/ssl_tls13_server.c
@@ -34,13 +34,7 @@
 #include "mbedtls/ecp.h"
 #endif /* MBEDTLS_ECP_C */
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdlib.h>
-#define mbedtls_calloc    calloc
-#define mbedtls_free       free
-#endif /* MBEDTLS_PLATFORM_C */
 
 #include "ssl_misc.h"
 #include "ssl_tls13_keys.h"
diff --git a/library/x509.c b/library/x509.c
index aa39517..6fe0410 100644
--- a/library/x509.c
+++ b/library/x509.c
@@ -43,16 +43,7 @@
 #include "mbedtls/pem.h"
 #endif
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdio.h>
-#include <stdlib.h>
-#define mbedtls_free      free
-#define mbedtls_calloc    calloc
-#define mbedtls_printf    printf
-#define mbedtls_snprintf  snprintf
-#endif
 
 #if defined(MBEDTLS_HAVE_TIME)
 #include "mbedtls/platform_time.h"
diff --git a/library/x509_crl.c b/library/x509_crl.c
index 0cd996d..2a3fac7 100644
--- a/library/x509_crl.c
+++ b/library/x509_crl.c
@@ -42,15 +42,7 @@
 #include "mbedtls/pem.h"
 #endif
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdlib.h>
-#include <stdio.h>
-#define mbedtls_free       free
-#define mbedtls_calloc    calloc
-#define mbedtls_snprintf   snprintf
-#endif
 
 #if defined(MBEDTLS_HAVE_TIME)
 #if defined(_WIN32) && !defined(EFIX64) && !defined(EFI32)
diff --git a/library/x509_crt.c b/library/x509_crt.c
index af1e487..c4f97bb 100644
--- a/library/x509_crt.c
+++ b/library/x509_crt.c
@@ -50,15 +50,7 @@
 #endif /* MBEDTLS_USE_PSA_CRYPTO */
 #include "hash_info.h"
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdio.h>
-#include <stdlib.h>
-#define mbedtls_free       free
-#define mbedtls_calloc    calloc
-#define mbedtls_snprintf   snprintf
-#endif
 
 #if defined(MBEDTLS_THREADING_C)
 #include "mbedtls/threading.h"
diff --git a/library/x509_csr.c b/library/x509_csr.c
index 25069b2..dee0ea6 100644
--- a/library/x509_csr.c
+++ b/library/x509_csr.c
@@ -42,15 +42,7 @@
 #include "mbedtls/pem.h"
 #endif
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdlib.h>
-#include <stdio.h>
-#define mbedtls_free       free
-#define mbedtls_calloc    calloc
-#define mbedtls_snprintf   snprintf
-#endif
 
 #if defined(MBEDTLS_FS_IO) || defined(EFIX64) || defined(EFI32)
 #include <stdio.h>
diff --git a/library/x509write_csr.c b/library/x509write_csr.c
index c4dd1b7..976f6e6 100644
--- a/library/x509write_csr.c
+++ b/library/x509write_csr.c
@@ -45,13 +45,7 @@
 #include "mbedtls/pem.h"
 #endif
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdlib.h>
-#define mbedtls_calloc    calloc
-#define mbedtls_free      free
-#endif
 
 void mbedtls_x509write_csr_init( mbedtls_x509write_csr *ctx )
 {
diff --git a/programs/aes/crypt_and_hash.c b/programs/aes/crypt_and_hash.c
index 136e25b..476c20e 100644
--- a/programs/aes/crypt_and_hash.c
+++ b/programs/aes/crypt_and_hash.c
@@ -25,17 +25,7 @@
 
 #include "mbedtls/build_info.h"
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdio.h>
-#include <stdlib.h>
-#define mbedtls_fprintf         fprintf
-#define mbedtls_printf          printf
-#define mbedtls_exit            exit
-#define MBEDTLS_EXIT_SUCCESS    EXIT_SUCCESS
-#define MBEDTLS_EXIT_FAILURE    EXIT_FAILURE
-#endif /* MBEDTLS_PLATFORM_C */
 
 #if defined(MBEDTLS_CIPHER_C) && defined(MBEDTLS_MD_C) && \
  defined(MBEDTLS_FS_IO)
diff --git a/programs/hash/generic_sum.c b/programs/hash/generic_sum.c
index f38a976..6f49e79 100644
--- a/programs/hash/generic_sum.c
+++ b/programs/hash/generic_sum.c
@@ -19,17 +19,7 @@
 
 #include "mbedtls/build_info.h"
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdio.h>
-#include <stdlib.h>
-#define mbedtls_fprintf         fprintf
-#define mbedtls_printf          printf
-#define mbedtls_exit            exit
-#define MBEDTLS_EXIT_SUCCESS    EXIT_SUCCESS
-#define MBEDTLS_EXIT_FAILURE    EXIT_FAILURE
-#endif /* MBEDTLS_PLATFORM_C */
 
 #if defined(MBEDTLS_MD_C) && defined(MBEDTLS_FS_IO)
 #include "mbedtls/md.h"
diff --git a/programs/hash/hello.c b/programs/hash/hello.c
index cb8de8b..3ef0652 100644
--- a/programs/hash/hello.c
+++ b/programs/hash/hello.c
@@ -19,16 +19,7 @@
 
 #include "mbedtls/build_info.h"
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdlib.h>
-#include <stdio.h>
-#define mbedtls_printf       printf
-#define mbedtls_exit         exit
-#define MBEDTLS_EXIT_SUCCESS EXIT_SUCCESS
-#define MBEDTLS_EXIT_FAILURE EXIT_FAILURE
-#endif
 
 #if defined(MBEDTLS_MD5_C)
 #include "mbedtls/md5.h"
diff --git a/programs/pkey/dh_client.c b/programs/pkey/dh_client.c
index 45de57b..3619cb2 100644
--- a/programs/pkey/dh_client.c
+++ b/programs/pkey/dh_client.c
@@ -19,17 +19,7 @@
 
 #include "mbedtls/build_info.h"
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdio.h>
-#include <stdlib.h>
-#define mbedtls_printf          printf
-#define mbedtls_time_t          time_t
-#define mbedtls_exit            exit
-#define MBEDTLS_EXIT_SUCCESS    EXIT_SUCCESS
-#define MBEDTLS_EXIT_FAILURE    EXIT_FAILURE
-#endif /* MBEDTLS_PLATFORM_C */
 
 #if defined(MBEDTLS_AES_C) && defined(MBEDTLS_DHM_C) && \
     defined(MBEDTLS_ENTROPY_C) && defined(MBEDTLS_NET_C) && \
diff --git a/programs/pkey/dh_genprime.c b/programs/pkey/dh_genprime.c
index 9ada4ea..2e696e5 100644
--- a/programs/pkey/dh_genprime.c
+++ b/programs/pkey/dh_genprime.c
@@ -19,17 +19,7 @@
 
 #include "mbedtls/build_info.h"
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdio.h>
-#include <stdlib.h>
-#define mbedtls_printf          printf
-#define mbedtls_time_t          time_t
-#define mbedtls_exit            exit
-#define MBEDTLS_EXIT_SUCCESS    EXIT_SUCCESS
-#define MBEDTLS_EXIT_FAILURE    EXIT_FAILURE
-#endif /* MBEDTLS_PLATFORM_C */
 
 #if !defined(MBEDTLS_BIGNUM_C) || !defined(MBEDTLS_ENTROPY_C) ||   \
     !defined(MBEDTLS_FS_IO) || !defined(MBEDTLS_CTR_DRBG_C) ||     \
diff --git a/programs/pkey/dh_server.c b/programs/pkey/dh_server.c
index 2956308..e6f53ed 100644
--- a/programs/pkey/dh_server.c
+++ b/programs/pkey/dh_server.c
@@ -19,17 +19,7 @@
 
 #include "mbedtls/build_info.h"
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdio.h>
-#include <stdlib.h>
-#define mbedtls_printf          printf
-#define mbedtls_time_t          time_t
-#define mbedtls_exit            exit
-#define MBEDTLS_EXIT_SUCCESS    EXIT_SUCCESS
-#define MBEDTLS_EXIT_FAILURE    EXIT_FAILURE
-#endif /* MBEDTLS_PLATFORM_C */
 
 #if defined(MBEDTLS_AES_C) && defined(MBEDTLS_DHM_C) && \
     defined(MBEDTLS_ENTROPY_C) && defined(MBEDTLS_NET_C) && \
diff --git a/programs/pkey/ecdh_curve25519.c b/programs/pkey/ecdh_curve25519.c
index 281a26b..5dd6bdd 100644
--- a/programs/pkey/ecdh_curve25519.c
+++ b/programs/pkey/ecdh_curve25519.c
@@ -19,16 +19,7 @@
 
 #include "mbedtls/build_info.h"
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdio.h>
-#include <stdlib.h>
-#define mbedtls_printf          printf
-#define mbedtls_exit            exit
-#define MBEDTLS_EXIT_SUCCESS    EXIT_SUCCESS
-#define MBEDTLS_EXIT_FAILURE    EXIT_FAILURE
-#endif /* MBEDTLS_PLATFORM_C */
 
 #if !defined(MBEDTLS_ECDH_C) || \
     !defined(MBEDTLS_ECP_DP_CURVE25519_ENABLED) || \
diff --git a/programs/pkey/ecdsa.c b/programs/pkey/ecdsa.c
index c1c5070..1035bb2 100644
--- a/programs/pkey/ecdsa.c
+++ b/programs/pkey/ecdsa.c
@@ -19,16 +19,7 @@
 
 #include "mbedtls/build_info.h"
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdio.h>
-#include <stdlib.h>
-#define mbedtls_printf          printf
-#define mbedtls_exit            exit
-#define MBEDTLS_EXIT_SUCCESS    EXIT_SUCCESS
-#define MBEDTLS_EXIT_FAILURE    EXIT_FAILURE
-#endif /* MBEDTLS_PLATFORM_C */
 
 #if defined(MBEDTLS_ECDSA_C) && \
     defined(MBEDTLS_ENTROPY_C) && defined(MBEDTLS_CTR_DRBG_C)
diff --git a/programs/pkey/gen_key.c b/programs/pkey/gen_key.c
index 8779519..9e5329f 100644
--- a/programs/pkey/gen_key.c
+++ b/programs/pkey/gen_key.c
@@ -19,16 +19,7 @@
 
 #include "mbedtls/build_info.h"
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdio.h>
-#include <stdlib.h>
-#define mbedtls_printf          printf
-#define mbedtls_exit            exit
-#define MBEDTLS_EXIT_SUCCESS    EXIT_SUCCESS
-#define MBEDTLS_EXIT_FAILURE    EXIT_FAILURE
-#endif /* MBEDTLS_PLATFORM_C */
 
 #if defined(MBEDTLS_PK_WRITE_C) && defined(MBEDTLS_FS_IO) && \
     defined(MBEDTLS_ENTROPY_C) && defined(MBEDTLS_CTR_DRBG_C)
diff --git a/programs/pkey/key_app.c b/programs/pkey/key_app.c
index bd16b24..02a19e9 100644
--- a/programs/pkey/key_app.c
+++ b/programs/pkey/key_app.c
@@ -19,16 +19,7 @@
 
 #include "mbedtls/build_info.h"
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdio.h>
-#include <stdlib.h>
-#define mbedtls_printf          printf
-#define mbedtls_exit            exit
-#define MBEDTLS_EXIT_SUCCESS    EXIT_SUCCESS
-#define MBEDTLS_EXIT_FAILURE    EXIT_FAILURE
-#endif /* MBEDTLS_PLATFORM_C */
 
 #if defined(MBEDTLS_BIGNUM_C) && \
     defined(MBEDTLS_PK_PARSE_C) && defined(MBEDTLS_FS_IO) && \
diff --git a/programs/pkey/key_app_writer.c b/programs/pkey/key_app_writer.c
index df1e502..589bee9 100644
--- a/programs/pkey/key_app_writer.c
+++ b/programs/pkey/key_app_writer.c
@@ -19,16 +19,7 @@
 
 #include "mbedtls/build_info.h"
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdio.h>
-#include <stdlib.h>
-#define mbedtls_printf          printf
-#define mbedtls_exit            exit
-#define MBEDTLS_EXIT_SUCCESS    EXIT_SUCCESS
-#define MBEDTLS_EXIT_FAILURE    EXIT_FAILURE
-#endif /* MBEDTLS_PLATFORM_C */
 
 #if defined(MBEDTLS_PK_PARSE_C) && defined(MBEDTLS_PK_WRITE_C) && \
     defined(MBEDTLS_FS_IO) && \
diff --git a/programs/pkey/mpi_demo.c b/programs/pkey/mpi_demo.c
index eed8dfc..4c34b99 100644
--- a/programs/pkey/mpi_demo.c
+++ b/programs/pkey/mpi_demo.c
@@ -19,16 +19,7 @@
 
 #include "mbedtls/build_info.h"
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdio.h>
-#include <stdlib.h>
-#define mbedtls_printf          printf
-#define mbedtls_exit            exit
-#define MBEDTLS_EXIT_SUCCESS    EXIT_SUCCESS
-#define MBEDTLS_EXIT_FAILURE    EXIT_FAILURE
-#endif /* MBEDTLS_PLATFORM_C */
 
 #if defined(MBEDTLS_BIGNUM_C) && defined(MBEDTLS_FS_IO)
 #include "mbedtls/bignum.h"
diff --git a/programs/pkey/pk_decrypt.c b/programs/pkey/pk_decrypt.c
index b09b6b8..0d8388f 100644
--- a/programs/pkey/pk_decrypt.c
+++ b/programs/pkey/pk_decrypt.c
@@ -19,16 +19,7 @@
 
 #include "mbedtls/build_info.h"
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdio.h>
-#include <stdlib.h>
-#define mbedtls_printf          printf
-#define mbedtls_exit            exit
-#define MBEDTLS_EXIT_SUCCESS    EXIT_SUCCESS
-#define MBEDTLS_EXIT_FAILURE    EXIT_FAILURE
-#endif /* MBEDTLS_PLATFORM_C */
 
 #if defined(MBEDTLS_BIGNUM_C) && defined(MBEDTLS_PK_PARSE_C) && \
     defined(MBEDTLS_FS_IO) && defined(MBEDTLS_ENTROPY_C) && \
diff --git a/programs/pkey/pk_encrypt.c b/programs/pkey/pk_encrypt.c
index 3df11f7..5d45738 100644
--- a/programs/pkey/pk_encrypt.c
+++ b/programs/pkey/pk_encrypt.c
@@ -19,17 +19,7 @@
 
 #include "mbedtls/build_info.h"
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdio.h>
-#include <stdlib.h>
-#define mbedtls_fprintf         fprintf
-#define mbedtls_printf          printf
-#define mbedtls_exit            exit
-#define MBEDTLS_EXIT_SUCCESS    EXIT_SUCCESS
-#define MBEDTLS_EXIT_FAILURE    EXIT_FAILURE
-#endif /* MBEDTLS_PLATFORM_C */
 
 #if defined(MBEDTLS_BIGNUM_C) && defined(MBEDTLS_PK_PARSE_C) && \
     defined(MBEDTLS_ENTROPY_C) && defined(MBEDTLS_FS_IO) && \
diff --git a/programs/pkey/pk_sign.c b/programs/pkey/pk_sign.c
index 7b5d8e1..301edb8 100644
--- a/programs/pkey/pk_sign.c
+++ b/programs/pkey/pk_sign.c
@@ -19,17 +19,7 @@
 
 #include "mbedtls/build_info.h"
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdio.h>
-#include <stdlib.h>
-#define mbedtls_snprintf        snprintf
-#define mbedtls_printf          printf
-#define mbedtls_exit            exit
-#define MBEDTLS_EXIT_SUCCESS    EXIT_SUCCESS
-#define MBEDTLS_EXIT_FAILURE    EXIT_FAILURE
-#endif /* MBEDTLS_PLATFORM_C */
 
 #if !defined(MBEDTLS_BIGNUM_C) || !defined(MBEDTLS_ENTROPY_C) ||  \
     !defined(MBEDTLS_SHA256_C) || !defined(MBEDTLS_MD_C) || \
diff --git a/programs/pkey/pk_verify.c b/programs/pkey/pk_verify.c
index e82653b..6b96452 100644
--- a/programs/pkey/pk_verify.c
+++ b/programs/pkey/pk_verify.c
@@ -19,17 +19,7 @@
 
 #include "mbedtls/build_info.h"
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdio.h>
-#include <stdlib.h>
-#define mbedtls_snprintf        snprintf
-#define mbedtls_printf          printf
-#define mbedtls_exit            exit
-#define MBEDTLS_EXIT_SUCCESS    EXIT_SUCCESS
-#define MBEDTLS_EXIT_FAILURE    EXIT_FAILURE
-#endif /* MBEDTLS_PLATFORM_C */
 
 #if !defined(MBEDTLS_BIGNUM_C) || !defined(MBEDTLS_MD_C) || \
     !defined(MBEDTLS_SHA256_C) || !defined(MBEDTLS_PK_PARSE_C) ||   \
diff --git a/programs/pkey/rsa_decrypt.c b/programs/pkey/rsa_decrypt.c
index c01a5cf..783f3ca 100644
--- a/programs/pkey/rsa_decrypt.c
+++ b/programs/pkey/rsa_decrypt.c
@@ -19,16 +19,7 @@
 
 #include "mbedtls/build_info.h"
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdio.h>
-#include <stdlib.h>
-#define mbedtls_printf       printf
-#define mbedtls_exit         exit
-#define MBEDTLS_EXIT_SUCCESS EXIT_SUCCESS
-#define MBEDTLS_EXIT_FAILURE EXIT_FAILURE
-#endif /* MBEDTLS_PLATFORM_C */
 
 #if defined(MBEDTLS_BIGNUM_C) && defined(MBEDTLS_RSA_C) && \
     defined(MBEDTLS_FS_IO) && defined(MBEDTLS_ENTROPY_C) && \
diff --git a/programs/pkey/rsa_encrypt.c b/programs/pkey/rsa_encrypt.c
index 25a42d3..777b22e 100644
--- a/programs/pkey/rsa_encrypt.c
+++ b/programs/pkey/rsa_encrypt.c
@@ -19,17 +19,7 @@
 
 #include "mbedtls/build_info.h"
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdio.h>
-#include <stdlib.h>
-#define mbedtls_fprintf         fprintf
-#define mbedtls_printf          printf
-#define mbedtls_exit            exit
-#define MBEDTLS_EXIT_SUCCESS    EXIT_SUCCESS
-#define MBEDTLS_EXIT_FAILURE    EXIT_FAILURE
-#endif /* MBEDTLS_PLATFORM_C */
 
 #if defined(MBEDTLS_BIGNUM_C) && defined(MBEDTLS_RSA_C) && \
     defined(MBEDTLS_ENTROPY_C) && defined(MBEDTLS_FS_IO) && \
diff --git a/programs/pkey/rsa_genkey.c b/programs/pkey/rsa_genkey.c
index 67711bd..7acda81 100644
--- a/programs/pkey/rsa_genkey.c
+++ b/programs/pkey/rsa_genkey.c
@@ -19,16 +19,7 @@
 
 #include "mbedtls/build_info.h"
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdio.h>
-#include <stdlib.h>
-#define mbedtls_printf          printf
-#define mbedtls_exit            exit
-#define MBEDTLS_EXIT_SUCCESS    EXIT_SUCCESS
-#define MBEDTLS_EXIT_FAILURE    EXIT_FAILURE
-#endif /* MBEDTLS_PLATFORM_C */
 
 #if defined(MBEDTLS_BIGNUM_C) && defined(MBEDTLS_ENTROPY_C) && \
     defined(MBEDTLS_RSA_C) && defined(MBEDTLS_GENPRIME) && \
diff --git a/programs/pkey/rsa_sign.c b/programs/pkey/rsa_sign.c
index 1df9b13..f4deab0 100644
--- a/programs/pkey/rsa_sign.c
+++ b/programs/pkey/rsa_sign.c
@@ -19,18 +19,7 @@
 
 #include "mbedtls/build_info.h"
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdio.h>
-#include <stdlib.h>
-#define mbedtls_fprintf         fprintf
-#define mbedtls_printf          printf
-#define mbedtls_snprintf        snprintf
-#define mbedtls_exit            exit
-#define MBEDTLS_EXIT_SUCCESS    EXIT_SUCCESS
-#define MBEDTLS_EXIT_FAILURE    EXIT_FAILURE
-#endif /* MBEDTLS_PLATFORM_C */
 
 #if !defined(MBEDTLS_BIGNUM_C) || !defined(MBEDTLS_RSA_C) ||  \
     !defined(MBEDTLS_SHA256_C) || !defined(MBEDTLS_MD_C) || \
diff --git a/programs/pkey/rsa_sign_pss.c b/programs/pkey/rsa_sign_pss.c
index 8078ab6..0cbde02 100644
--- a/programs/pkey/rsa_sign_pss.c
+++ b/programs/pkey/rsa_sign_pss.c
@@ -19,17 +19,7 @@
 
 #include "mbedtls/build_info.h"
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdio.h>
-#include <stdlib.h>
-#define mbedtls_snprintf        snprintf
-#define mbedtls_printf          printf
-#define mbedtls_exit            exit
-#define MBEDTLS_EXIT_SUCCESS    EXIT_SUCCESS
-#define MBEDTLS_EXIT_FAILURE    EXIT_FAILURE
-#endif /* MBEDTLS_PLATFORM_C */
 
 #if !defined(MBEDTLS_MD_C) || !defined(MBEDTLS_ENTROPY_C) ||  \
     !defined(MBEDTLS_RSA_C) || !defined(MBEDTLS_SHA256_C) ||        \
diff --git a/programs/pkey/rsa_verify.c b/programs/pkey/rsa_verify.c
index a8b1abb..a3fa6d7 100644
--- a/programs/pkey/rsa_verify.c
+++ b/programs/pkey/rsa_verify.c
@@ -19,17 +19,7 @@
 
 #include "mbedtls/build_info.h"
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdio.h>
-#include <stdlib.h>
-#define mbedtls_printf          printf
-#define mbedtls_snprintf        snprintf
-#define mbedtls_exit            exit
-#define MBEDTLS_EXIT_SUCCESS    EXIT_SUCCESS
-#define MBEDTLS_EXIT_FAILURE    EXIT_FAILURE
-#endif /* MBEDTLS_PLATFORM_C */
 
 #if !defined(MBEDTLS_BIGNUM_C) || !defined(MBEDTLS_RSA_C) ||  \
     !defined(MBEDTLS_SHA256_C) || !defined(MBEDTLS_MD_C) || \
diff --git a/programs/pkey/rsa_verify_pss.c b/programs/pkey/rsa_verify_pss.c
index 3a20778..7dcccda 100644
--- a/programs/pkey/rsa_verify_pss.c
+++ b/programs/pkey/rsa_verify_pss.c
@@ -19,17 +19,7 @@
 
 #include "mbedtls/build_info.h"
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdio.h>
-#include <stdlib.h>
-#define mbedtls_snprintf        snprintf
-#define mbedtls_printf          printf
-#define mbedtls_exit            exit
-#define MBEDTLS_EXIT_SUCCESS    EXIT_SUCCESS
-#define MBEDTLS_EXIT_FAILURE    EXIT_FAILURE
-#endif /* MBEDTLS_PLATFORM_C */
 
 #if !defined(MBEDTLS_MD_C) || !defined(MBEDTLS_ENTROPY_C) ||  \
     !defined(MBEDTLS_RSA_C) || !defined(MBEDTLS_SHA256_C) ||        \
diff --git a/programs/random/gen_entropy.c b/programs/random/gen_entropy.c
index 4deb924..f0ffea2 100644
--- a/programs/random/gen_entropy.c
+++ b/programs/random/gen_entropy.c
@@ -19,17 +19,7 @@
 
 #include "mbedtls/build_info.h"
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdio.h>
-#include <stdlib.h>
-#define mbedtls_fprintf         fprintf
-#define mbedtls_printf          printf
-#define mbedtls_exit            exit
-#define MBEDTLS_EXIT_SUCCESS    EXIT_SUCCESS
-#define MBEDTLS_EXIT_FAILURE    EXIT_FAILURE
-#endif /* MBEDTLS_PLATFORM_C */
 
 #if defined(MBEDTLS_ENTROPY_C) && defined(MBEDTLS_FS_IO)
 #include "mbedtls/entropy.h"
diff --git a/programs/random/gen_random_ctr_drbg.c b/programs/random/gen_random_ctr_drbg.c
index 0a9e2dd..2a3dd54 100644
--- a/programs/random/gen_random_ctr_drbg.c
+++ b/programs/random/gen_random_ctr_drbg.c
@@ -19,17 +19,7 @@
 
 #include "mbedtls/build_info.h"
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdio.h>
-#include <stdlib.h>
-#define mbedtls_fprintf         fprintf
-#define mbedtls_printf          printf
-#define mbedtls_exit            exit
-#define MBEDTLS_EXIT_SUCCESS    EXIT_SUCCESS
-#define MBEDTLS_EXIT_FAILURE    EXIT_FAILURE
-#endif /* MBEDTLS_PLATFORM_C */
 
 #if defined(MBEDTLS_CTR_DRBG_C) && defined(MBEDTLS_ENTROPY_C) && \
  defined(MBEDTLS_FS_IO)
diff --git a/programs/ssl/dtls_client.c b/programs/ssl/dtls_client.c
index e06d535..23a34e0 100644
--- a/programs/ssl/dtls_client.c
+++ b/programs/ssl/dtls_client.c
@@ -19,17 +19,7 @@
 
 #include "mbedtls/build_info.h"
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdio.h>
-#include <stdlib.h>
-#define mbedtls_printf     printf
-#define mbedtls_fprintf    fprintf
-#define mbedtls_exit            exit
-#define MBEDTLS_EXIT_SUCCESS    EXIT_SUCCESS
-#define MBEDTLS_EXIT_FAILURE    EXIT_FAILURE
-#endif
 
 #if !defined(MBEDTLS_SSL_CLI_C) || !defined(MBEDTLS_SSL_PROTO_DTLS) ||    \
     !defined(MBEDTLS_NET_C)  || !defined(MBEDTLS_TIMING_C) ||             \
diff --git a/programs/ssl/dtls_server.c b/programs/ssl/dtls_server.c
index 9317449..10d82ba 100644
--- a/programs/ssl/dtls_server.c
+++ b/programs/ssl/dtls_server.c
@@ -19,18 +19,7 @@
 
 #include "mbedtls/build_info.h"
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdio.h>
-#include <stdlib.h>
-#define mbedtls_printf     printf
-#define mbedtls_fprintf    fprintf
-#define mbedtls_time_t     time_t
-#define mbedtls_exit            exit
-#define MBEDTLS_EXIT_SUCCESS    EXIT_SUCCESS
-#define MBEDTLS_EXIT_FAILURE    EXIT_FAILURE
-#endif
 
 /* Uncomment out the following line to default to IPv4 and disable IPv6 */
 //#define FORCE_IPV4
diff --git a/programs/ssl/mini_client.c b/programs/ssl/mini_client.c
index 8f2fed8..efcf650 100644
--- a/programs/ssl/mini_client.c
+++ b/programs/ssl/mini_client.c
@@ -20,16 +20,7 @@
 
 #include "mbedtls/build_info.h"
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdio.h>
-#include <stdlib.h>
-#define mbedtls_printf          printf
-#define mbedtls_exit            exit
-#define MBEDTLS_EXIT_SUCCESS    EXIT_SUCCESS
-#define MBEDTLS_EXIT_FAILURE    EXIT_FAILURE
-#endif
 
 /*
  * We're creating and connecting the socket "manually" rather than using the
diff --git a/programs/ssl/ssl_client1.c b/programs/ssl/ssl_client1.c
index a80ff71..5025698 100644
--- a/programs/ssl/ssl_client1.c
+++ b/programs/ssl/ssl_client1.c
@@ -19,19 +19,7 @@
 
 #include "mbedtls/build_info.h"
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdio.h>
-#include <stdlib.h>
-#define mbedtls_time            time
-#define mbedtls_time_t          time_t
-#define mbedtls_fprintf         fprintf
-#define mbedtls_printf          printf
-#define mbedtls_exit            exit
-#define MBEDTLS_EXIT_SUCCESS    EXIT_SUCCESS
-#define MBEDTLS_EXIT_FAILURE    EXIT_FAILURE
-#endif /* MBEDTLS_PLATFORM_C */
 
 #if !defined(MBEDTLS_BIGNUM_C) || !defined(MBEDTLS_ENTROPY_C) ||     \
     !defined(MBEDTLS_SSL_TLS_C) || !defined(MBEDTLS_SSL_CLI_C) ||    \
diff --git a/programs/ssl/ssl_fork_server.c b/programs/ssl/ssl_fork_server.c
index 07b3e6f..49de984 100644
--- a/programs/ssl/ssl_fork_server.c
+++ b/programs/ssl/ssl_fork_server.c
@@ -19,18 +19,7 @@
 
 #include "mbedtls/build_info.h"
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdio.h>
-#include <stdlib.h>
-#define mbedtls_fprintf         fprintf
-#define mbedtls_printf          printf
-#define mbedtls_time_t          time_t
-#define mbedtls_exit            exit
-#define MBEDTLS_EXIT_SUCCESS    EXIT_SUCCESS
-#define MBEDTLS_EXIT_FAILURE    EXIT_FAILURE
-#endif /* MBEDTLS_PLATFORM_C */
 
 #if !defined(MBEDTLS_BIGNUM_C) || !defined(MBEDTLS_ENTROPY_C) ||          \
     !defined(MBEDTLS_SSL_TLS_C) || !defined(MBEDTLS_SSL_SRV_C) ||         \
diff --git a/programs/ssl/ssl_mail_client.c b/programs/ssl/ssl_mail_client.c
index 664a384..9fb6507 100644
--- a/programs/ssl/ssl_mail_client.c
+++ b/programs/ssl/ssl_mail_client.c
@@ -26,19 +26,7 @@
 
 #include "mbedtls/build_info.h"
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdio.h>
-#include <stdlib.h>
-#define mbedtls_time            time
-#define mbedtls_time_t          time_t
-#define mbedtls_fprintf         fprintf
-#define mbedtls_printf          printf
-#define mbedtls_exit            exit
-#define MBEDTLS_EXIT_SUCCESS    EXIT_SUCCESS
-#define MBEDTLS_EXIT_FAILURE    EXIT_FAILURE
-#endif /* MBEDTLS_PLATFORM_C */
 
 #if !defined(MBEDTLS_BIGNUM_C) || !defined(MBEDTLS_ENTROPY_C) ||  \
     !defined(MBEDTLS_SSL_TLS_C) || !defined(MBEDTLS_SSL_CLI_C) || \
diff --git a/programs/ssl/ssl_pthread_server.c b/programs/ssl/ssl_pthread_server.c
index ac14789..b3ec7d6 100644
--- a/programs/ssl/ssl_pthread_server.c
+++ b/programs/ssl/ssl_pthread_server.c
@@ -20,18 +20,7 @@
 
 #include "mbedtls/build_info.h"
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdio.h>
-#include <stdlib.h>
-#define mbedtls_fprintf    fprintf
-#define mbedtls_printf     printf
-#define mbedtls_snprintf   snprintf
-#define mbedtls_exit            exit
-#define MBEDTLS_EXIT_SUCCESS    EXIT_SUCCESS
-#define MBEDTLS_EXIT_FAILURE    EXIT_FAILURE
-#endif
 
 #if !defined(MBEDTLS_BIGNUM_C)  || !defined(MBEDTLS_ENTROPY_C) ||         \
     !defined(MBEDTLS_SSL_TLS_C) || !defined(MBEDTLS_SSL_SRV_C) ||         \
diff --git a/programs/ssl/ssl_server.c b/programs/ssl/ssl_server.c
index 3b66372..c9d9df2 100644
--- a/programs/ssl/ssl_server.c
+++ b/programs/ssl/ssl_server.c
@@ -19,19 +19,7 @@
 
 #include "mbedtls/build_info.h"
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdio.h>
-#include <stdlib.h>
-#define mbedtls_time       time
-#define mbedtls_time_t     time_t
-#define mbedtls_fprintf    fprintf
-#define mbedtls_printf     printf
-#define mbedtls_exit            exit
-#define MBEDTLS_EXIT_SUCCESS    EXIT_SUCCESS
-#define MBEDTLS_EXIT_FAILURE    EXIT_FAILURE
-#endif
 
 #if !defined(MBEDTLS_BIGNUM_C) || !defined(MBEDTLS_PEM_PARSE_C) || \
     !defined(MBEDTLS_ENTROPY_C) || !defined(MBEDTLS_SSL_TLS_C) ||  \
diff --git a/programs/ssl/ssl_test_lib.h b/programs/ssl/ssl_test_lib.h
index c368f57..659b3ab 100644
--- a/programs/ssl/ssl_test_lib.h
+++ b/programs/ssl/ssl_test_lib.h
@@ -22,23 +22,7 @@
 
 #include "mbedtls/build_info.h"
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdio.h>
-#include <stdlib.h>
-#define mbedtls_calloc     calloc
-#define mbedtls_free       free
-#define mbedtls_time       time
-#define mbedtls_time_t     time_t
-#define mbedtls_printf     printf
-#define mbedtls_fprintf    fprintf
-#define mbedtls_snprintf   snprintf
-#define mbedtls_setbuf     setbuf
-#define mbedtls_exit            exit
-#define MBEDTLS_EXIT_SUCCESS    EXIT_SUCCESS
-#define MBEDTLS_EXIT_FAILURE    EXIT_FAILURE
-#endif
 
 #undef HAVE_RNG
 #if defined(MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG) &&         \
diff --git a/programs/test/cmake_package/cmake_package.c b/programs/test/cmake_package/cmake_package.c
index 1ae627d..4105d2b 100644
--- a/programs/test/cmake_package/cmake_package.c
+++ b/programs/test/cmake_package/cmake_package.c
@@ -19,17 +19,7 @@
 
 #include "mbedtls/build_info.h"
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdio.h>
-#include <stdlib.h>
-#define mbedtls_fprintf         fprintf
-#define mbedtls_printf          printf
-#define mbedtls_exit            exit
-#define MBEDTLS_EXIT_SUCCESS    EXIT_SUCCESS
-#define MBEDTLS_EXIT_FAILURE    EXIT_FAILURE
-#endif /* MBEDTLS_PLATFORM_C */
 
 #include "mbedtls/version.h"
 
diff --git a/programs/test/cmake_package_install/cmake_package_install.c b/programs/test/cmake_package_install/cmake_package_install.c
index 9d5d3e4..48fb559 100644
--- a/programs/test/cmake_package_install/cmake_package_install.c
+++ b/programs/test/cmake_package_install/cmake_package_install.c
@@ -20,17 +20,7 @@
 
 #include "mbedtls/build_info.h"
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdio.h>
-#include <stdlib.h>
-#define mbedtls_fprintf         fprintf
-#define mbedtls_printf          printf
-#define mbedtls_exit            exit
-#define MBEDTLS_EXIT_SUCCESS    EXIT_SUCCESS
-#define MBEDTLS_EXIT_FAILURE    EXIT_FAILURE
-#endif /* MBEDTLS_PLATFORM_C */
 
 #include "mbedtls/version.h"
 
diff --git a/programs/test/cmake_subproject/cmake_subproject.c b/programs/test/cmake_subproject/cmake_subproject.c
index ff6ebf0..b1d005c 100644
--- a/programs/test/cmake_subproject/cmake_subproject.c
+++ b/programs/test/cmake_subproject/cmake_subproject.c
@@ -20,17 +20,7 @@
 
 #include "mbedtls/build_info.h"
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdio.h>
-#include <stdlib.h>
-#define mbedtls_fprintf         fprintf
-#define mbedtls_printf          printf
-#define mbedtls_exit            exit
-#define MBEDTLS_EXIT_SUCCESS    EXIT_SUCCESS
-#define MBEDTLS_EXIT_FAILURE    EXIT_FAILURE
-#endif /* MBEDTLS_PLATFORM_C */
 
 #include "mbedtls/version.h"
 
diff --git a/programs/test/dlopen.c b/programs/test/dlopen.c
index c083604..ff61fcd 100644
--- a/programs/test/dlopen.c
+++ b/programs/test/dlopen.c
@@ -19,17 +19,7 @@
 
 #include "mbedtls/build_info.h"
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdio.h>
-#include <stdlib.h>
-#define mbedtls_fprintf    fprintf
-#define mbedtls_printf     printf
-#define mbedtls_exit       exit
-#define MBEDTLS_EXIT_SUCCESS EXIT_SUCCESS
-#define MBEDTLS_EXIT_FAILURE EXIT_FAILURE
-#endif
 
 #if defined(MBEDTLS_X509_CRT_PARSE_C)
 #include "mbedtls/x509_crt.h"
diff --git a/programs/test/query_compile_time_config.c b/programs/test/query_compile_time_config.c
index 5aa0233..f37973c 100644
--- a/programs/test/query_compile_time_config.c
+++ b/programs/test/query_compile_time_config.c
@@ -19,14 +19,7 @@
 
 #include "mbedtls/build_info.h"
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdio.h>
-#include <stdlib.h>
-#define mbedtls_printf       printf
-#define MBEDTLS_EXIT_FAILURE EXIT_FAILURE
-#endif
 
 #define USAGE                                                                   \
     "usage: %s [ -all | -any | -l ] <MBEDTLS_CONFIG> ...\n\n"                   \
diff --git a/programs/test/selftest.c b/programs/test/selftest.c
index ab337a2..2d6103c 100644
--- a/programs/test/selftest.c
+++ b/programs/test/selftest.c
@@ -54,19 +54,7 @@
 #include <limits.h>
 #include <string.h>
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdio.h>
-#include <stdlib.h>
-#define mbedtls_calloc     calloc
-#define mbedtls_free       free
-#define mbedtls_printf     printf
-#define mbedtls_snprintf   snprintf
-#define mbedtls_exit       exit
-#define MBEDTLS_EXIT_SUCCESS EXIT_SUCCESS
-#define MBEDTLS_EXIT_FAILURE EXIT_FAILURE
-#endif
 
 #if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C)
 #include "mbedtls/memory_buffer_alloc.h"
diff --git a/programs/test/zeroize.c b/programs/test/zeroize.c
index d6e5561..979b551 100644
--- a/programs/test/zeroize.c
+++ b/programs/test/zeroize.c
@@ -29,15 +29,7 @@
 
 #include <stdio.h>
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdlib.h>
-#define mbedtls_printf     printf
-#define mbedtls_exit       exit
-#define MBEDTLS_EXIT_SUCCESS EXIT_SUCCESS
-#define MBEDTLS_EXIT_FAILURE EXIT_FAILURE
-#endif
 
 #include "mbedtls/platform_util.h"
 
diff --git a/programs/util/pem2der.c b/programs/util/pem2der.c
index cf6a56c..7138fa8 100644
--- a/programs/util/pem2der.c
+++ b/programs/util/pem2der.c
@@ -19,18 +19,7 @@
 
 #include "mbedtls/build_info.h"
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdio.h>
-#include <stdlib.h>
-#define mbedtls_free            free
-#define mbedtls_calloc          calloc
-#define mbedtls_printf          printf
-#define mbedtls_exit            exit
-#define MBEDTLS_EXIT_SUCCESS    EXIT_SUCCESS
-#define MBEDTLS_EXIT_FAILURE    EXIT_FAILURE
-#endif /* MBEDTLS_PLATFORM_C */
 
 #if defined(MBEDTLS_BASE64_C) && defined(MBEDTLS_FS_IO)
 #include "mbedtls/error.h"
diff --git a/programs/util/strerror.c b/programs/util/strerror.c
index f91da13..66052fd 100644
--- a/programs/util/strerror.c
+++ b/programs/util/strerror.c
@@ -19,14 +19,7 @@
 
 #include "mbedtls/build_info.h"
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdio.h>
-#include <stdlib.h>
-#define mbedtls_printf     printf
-#define mbedtls_exit       exit
-#endif
 
 #if defined(MBEDTLS_ERROR_C) || defined(MBEDTLS_ERROR_STRERROR_DUMMY)
 #include "mbedtls/error.h"
diff --git a/programs/x509/cert_app.c b/programs/x509/cert_app.c
index 985b970..00d563f 100644
--- a/programs/x509/cert_app.c
+++ b/programs/x509/cert_app.c
@@ -19,19 +19,7 @@
 
 #include "mbedtls/build_info.h"
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdio.h>
-#include <stdlib.h>
-#define mbedtls_time            time
-#define mbedtls_time_t          time_t
-#define mbedtls_fprintf         fprintf
-#define mbedtls_printf          printf
-#define mbedtls_exit            exit
-#define MBEDTLS_EXIT_SUCCESS    EXIT_SUCCESS
-#define MBEDTLS_EXIT_FAILURE    EXIT_FAILURE
-#endif /* MBEDTLS_PLATFORM_C */
 
 #if !defined(MBEDTLS_BIGNUM_C) || !defined(MBEDTLS_ENTROPY_C) ||  \
     !defined(MBEDTLS_SSL_TLS_C) || !defined(MBEDTLS_SSL_CLI_C) || \
diff --git a/programs/x509/cert_req.c b/programs/x509/cert_req.c
index 7460bbf..30b389a 100644
--- a/programs/x509/cert_req.c
+++ b/programs/x509/cert_req.c
@@ -19,16 +19,7 @@
 
 #include "mbedtls/build_info.h"
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdio.h>
-#include <stdlib.h>
-#define mbedtls_printf          printf
-#define mbedtls_exit            exit
-#define MBEDTLS_EXIT_SUCCESS    EXIT_SUCCESS
-#define MBEDTLS_EXIT_FAILURE    EXIT_FAILURE
-#endif /* MBEDTLS_PLATFORM_C */
 
 #if !defined(MBEDTLS_X509_CSR_WRITE_C) || !defined(MBEDTLS_FS_IO) ||  \
     !defined(MBEDTLS_PK_PARSE_C) || !defined(MBEDTLS_SHA256_C) || \
diff --git a/programs/x509/cert_write.c b/programs/x509/cert_write.c
index 793982d..c93ff1e 100644
--- a/programs/x509/cert_write.c
+++ b/programs/x509/cert_write.c
@@ -19,16 +19,7 @@
 
 #include "mbedtls/build_info.h"
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdio.h>
-#include <stdlib.h>
-#define mbedtls_printf          printf
-#define mbedtls_exit            exit
-#define MBEDTLS_EXIT_SUCCESS    EXIT_SUCCESS
-#define MBEDTLS_EXIT_FAILURE    EXIT_FAILURE
-#endif /* MBEDTLS_PLATFORM_C */
 
 #if !defined(MBEDTLS_X509_CRT_WRITE_C) || \
     !defined(MBEDTLS_X509_CRT_PARSE_C) || !defined(MBEDTLS_FS_IO) || \
diff --git a/programs/x509/crl_app.c b/programs/x509/crl_app.c
index aa353be..28cb99e 100644
--- a/programs/x509/crl_app.c
+++ b/programs/x509/crl_app.c
@@ -19,16 +19,7 @@
 
 #include "mbedtls/build_info.h"
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdio.h>
-#include <stdlib.h>
-#define mbedtls_printf          printf
-#define mbedtls_exit            exit
-#define MBEDTLS_EXIT_SUCCESS    EXIT_SUCCESS
-#define MBEDTLS_EXIT_FAILURE    EXIT_FAILURE
-#endif /* MBEDTLS_PLATFORM_C */
 
 #if !defined(MBEDTLS_BIGNUM_C) || !defined(MBEDTLS_RSA_C) ||  \
     !defined(MBEDTLS_X509_CRL_PARSE_C) || !defined(MBEDTLS_FS_IO) || \
diff --git a/programs/x509/load_roots.c b/programs/x509/load_roots.c
index e07bed7..b8b0ecd 100644
--- a/programs/x509/load_roots.c
+++ b/programs/x509/load_roots.c
@@ -46,19 +46,7 @@
 
 #include "mbedtls/build_info.h"
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdio.h>
-#include <stdlib.h>
-#define mbedtls_time            time
-#define mbedtls_time_t          time_t
-#define mbedtls_fprintf         fprintf
-#define mbedtls_printf          printf
-#define mbedtls_exit            exit
-#define MBEDTLS_EXIT_SUCCESS    EXIT_SUCCESS
-#define MBEDTLS_EXIT_FAILURE    EXIT_FAILURE
-#endif /* MBEDTLS_PLATFORM_C */
 
 #if !defined(MBEDTLS_X509_CRT_PARSE_C) || !defined(MBEDTLS_FS_IO) ||  \
     !defined(MBEDTLS_TIMING_C)
diff --git a/programs/x509/req_app.c b/programs/x509/req_app.c
index 24324ff..dda14e1 100644
--- a/programs/x509/req_app.c
+++ b/programs/x509/req_app.c
@@ -19,16 +19,7 @@
 
 #include "mbedtls/build_info.h"
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdio.h>
-#include <stdlib.h>
-#define mbedtls_printf          printf
-#define mbedtls_exit            exit
-#define MBEDTLS_EXIT_SUCCESS    EXIT_SUCCESS
-#define MBEDTLS_EXIT_FAILURE    EXIT_FAILURE
-#endif /* MBEDTLS_PLATFORM_C */
 
 #if !defined(MBEDTLS_BIGNUM_C) || !defined(MBEDTLS_RSA_C) ||  \
     !defined(MBEDTLS_X509_CSR_PARSE_C) || !defined(MBEDTLS_FS_IO) || \
diff --git a/scripts/data_files/error.fmt b/scripts/data_files/error.fmt
index c42d2ff..fc210b9 100644
--- a/scripts/data_files/error.fmt
+++ b/scripts/data_files/error.fmt
@@ -25,11 +25,7 @@
 
 #if defined(MBEDTLS_ERROR_C)
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#define mbedtls_snprintf snprintf
-#endif
 
 #include <stdio.h>
 #include <string.h>
diff --git a/scripts/data_files/query_config.fmt b/scripts/data_files/query_config.fmt
index 59eb168..b5d3eec 100644
--- a/scripts/data_files/query_config.fmt
+++ b/scripts/data_files/query_config.fmt
@@ -21,12 +21,7 @@
 
 #include "query_config.h"
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdio.h>
-#define mbedtls_printf printf
-#endif /* MBEDTLS_PLATFORM_C */
 
 /*
  * Include all the headers with public APIs in case they define a macro to its
diff --git a/tests/include/test/helpers.h b/tests/include/test/helpers.h
index 93a3e11..13c87fd 100644
--- a/tests/include/test/helpers.h
+++ b/tests/include/test/helpers.h
@@ -37,20 +37,7 @@
 #define MBEDTLS_TEST_MUTEX_USAGE
 #endif
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdio.h>
-#define mbedtls_fprintf    fprintf
-#define mbedtls_snprintf   snprintf
-#define mbedtls_calloc     calloc
-#define mbedtls_free       free
-#define mbedtls_exit       exit
-#define mbedtls_time       time
-#define mbedtls_time_t     time_t
-#define MBEDTLS_EXIT_SUCCESS EXIT_SUCCESS
-#define MBEDTLS_EXIT_FAILURE EXIT_FAILURE
-#endif
 
 #include <stddef.h>
 #include <stdint.h>
diff --git a/tests/include/test/macros.h b/tests/include/test/macros.h
index 8535b93..695a243 100644
--- a/tests/include/test/macros.h
+++ b/tests/include/test/macros.h
@@ -28,20 +28,7 @@
 
 #include <stdlib.h>
 
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdio.h>
-#define mbedtls_fprintf    fprintf
-#define mbedtls_snprintf   snprintf
-#define mbedtls_calloc     calloc
-#define mbedtls_free       free
-#define mbedtls_exit       exit
-#define mbedtls_time       time
-#define mbedtls_time_t     time_t
-#define MBEDTLS_EXIT_SUCCESS EXIT_SUCCESS
-#define MBEDTLS_EXIT_FAILURE EXIT_FAILURE
-#endif
 
 #if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C)
 #include "mbedtls/memory_buffer_alloc.h"
diff --git a/tests/suites/helpers.function b/tests/suites/helpers.function
index a620178..0af4ca9 100644
--- a/tests/suites/helpers.function
+++ b/tests/suites/helpers.function
@@ -12,20 +12,7 @@
 #if defined (MBEDTLS_ERROR_C)
 #include "mbedtls/error.h"
 #endif
-#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
-#else
-#include <stdio.h>
-#define mbedtls_fprintf    fprintf
-#define mbedtls_snprintf   snprintf
-#define mbedtls_calloc     calloc
-#define mbedtls_free       free
-#define mbedtls_exit       exit
-#define mbedtls_time       time
-#define mbedtls_time_t     time_t
-#define MBEDTLS_EXIT_SUCCESS EXIT_SUCCESS
-#define MBEDTLS_EXIT_FAILURE EXIT_FAILURE
-#endif
 
 #if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C)
 #include "mbedtls/memory_buffer_alloc.h"