diff --git a/ChangeLog.d/issue4283.txt b/ChangeLog.d/issue4283.txt
new file mode 100644
index 0000000..021ea7e
--- /dev/null
+++ b/ChangeLog.d/issue4283.txt
@@ -0,0 +1,2 @@
+Removals
+   * Remove deprecated error codes. Fix #4283
diff --git a/include/mbedtls/aes.h b/include/mbedtls/aes.h
index 052f47c..25accb6 100644
--- a/include/mbedtls/aes.h
+++ b/include/mbedtls/aes.h
@@ -60,12 +60,6 @@
 /* Error codes in range 0x0021-0x0025 */
 #define MBEDTLS_ERR_AES_BAD_INPUT_DATA                    -0x0021  /**< Invalid input data. */
 
-/* MBEDTLS_ERR_AES_FEATURE_UNAVAILABLE is deprecated and should not be used. */
-#define MBEDTLS_ERR_AES_FEATURE_UNAVAILABLE               -0x0023  /**< Feature not available. For example, an unsupported AES key size. */
-
-/* MBEDTLS_ERR_AES_HW_ACCEL_FAILED is deprecated and should not be used. */
-#define MBEDTLS_ERR_AES_HW_ACCEL_FAILED                   -0x0025  /**< AES hardware accelerator failed. */
-
 #if ( defined(__ARMCC_VERSION) || defined(_MSC_VER) ) && \
     !defined(inline) && !defined(__cplusplus)
 #define inline __inline
diff --git a/include/mbedtls/arc4.h b/include/mbedtls/arc4.h
index 17728f4..ada6083 100644
--- a/include/mbedtls/arc4.h
+++ b/include/mbedtls/arc4.h
@@ -34,9 +34,6 @@
 
 #include <stddef.h>
 
-/* MBEDTLS_ERR_ARC4_HW_ACCEL_FAILED is deprecated and should not be used. */
-#define MBEDTLS_ERR_ARC4_HW_ACCEL_FAILED                  -0x0019  /**< ARC4 hardware accelerator failed. */
-
 #ifdef __cplusplus
 extern "C" {
 #endif
diff --git a/include/mbedtls/aria.h b/include/mbedtls/aria.h
index a4b27b3..7dd960f 100644
--- a/include/mbedtls/aria.h
+++ b/include/mbedtls/aria.h
@@ -47,20 +47,10 @@
 #define MBEDTLS_ARIA_MAX_ROUNDS  16 /**< Maxiumum number of rounds in ARIA. */
 #define MBEDTLS_ARIA_MAX_KEYSIZE 32 /**< Maximum size of an ARIA key in bytes. */
 
-#if !defined(MBEDTLS_DEPRECATED_REMOVED)
-#define MBEDTLS_ERR_ARIA_INVALID_KEY_LENGTH   MBEDTLS_DEPRECATED_NUMERIC_CONSTANT( -0x005C )
-#endif /* !MBEDTLS_DEPRECATED_REMOVED */
 #define MBEDTLS_ERR_ARIA_BAD_INPUT_DATA -0x005C /**< Bad input data. */
 
 #define MBEDTLS_ERR_ARIA_INVALID_INPUT_LENGTH -0x005E /**< Invalid data input length. */
 
-/* MBEDTLS_ERR_ARIA_FEATURE_UNAVAILABLE is deprecated and should not be used.
- */
-#define MBEDTLS_ERR_ARIA_FEATURE_UNAVAILABLE  -0x005A  /**< Feature not available. For example, an unsupported ARIA key size. */
-
-/* MBEDTLS_ERR_ARIA_HW_ACCEL_FAILED is deprecated and should not be used. */
-#define MBEDTLS_ERR_ARIA_HW_ACCEL_FAILED      -0x0058  /**< ARIA hardware accelerator failed. */
-
 #if !defined(MBEDTLS_ARIA_ALT)
 // Regular implementation
 //
diff --git a/include/mbedtls/blowfish.h b/include/mbedtls/blowfish.h
index c2a6ff9..1ade1fc 100644
--- a/include/mbedtls/blowfish.h
+++ b/include/mbedtls/blowfish.h
@@ -40,17 +40,10 @@
 #define MBEDTLS_BLOWFISH_ROUNDS      16         /**< Rounds to use. When increasing this value, make sure to extend the initialisation vectors */
 #define MBEDTLS_BLOWFISH_BLOCKSIZE   8          /* Blowfish uses 64 bit blocks */
 
-#if !defined(MBEDTLS_DEPRECATED_REMOVED)
-#define MBEDTLS_ERR_BLOWFISH_INVALID_KEY_LENGTH   MBEDTLS_DEPRECATED_NUMERIC_CONSTANT( -0x0016 )
-#endif /* !MBEDTLS_DEPRECATED_REMOVED */
 #define MBEDTLS_ERR_BLOWFISH_BAD_INPUT_DATA -0x0016 /**< Bad input data. */
 
 #define MBEDTLS_ERR_BLOWFISH_INVALID_INPUT_LENGTH -0x0018 /**< Invalid data input length. */
 
-/* MBEDTLS_ERR_BLOWFISH_HW_ACCEL_FAILED is deprecated and should not be used.
- */
-#define MBEDTLS_ERR_BLOWFISH_HW_ACCEL_FAILED                   -0x0017  /**< Blowfish hardware accelerator failed. */
-
 #ifdef __cplusplus
 extern "C" {
 #endif
diff --git a/include/mbedtls/camellia.h b/include/mbedtls/camellia.h
index f7d2b23..dee5c3e 100644
--- a/include/mbedtls/camellia.h
+++ b/include/mbedtls/camellia.h
@@ -36,17 +36,10 @@
 #define MBEDTLS_CAMELLIA_ENCRYPT     1
 #define MBEDTLS_CAMELLIA_DECRYPT     0
 
-#if !defined(MBEDTLS_DEPRECATED_REMOVED)
-#define MBEDTLS_ERR_CAMELLIA_INVALID_KEY_LENGTH   MBEDTLS_DEPRECATED_NUMERIC_CONSTANT( -0x0024 )
-#endif /* !MBEDTLS_DEPRECATED_REMOVED */
 #define MBEDTLS_ERR_CAMELLIA_BAD_INPUT_DATA -0x0024 /**< Bad input data. */
 
 #define MBEDTLS_ERR_CAMELLIA_INVALID_INPUT_LENGTH -0x0026 /**< Invalid data input length. */
 
-/* MBEDTLS_ERR_CAMELLIA_HW_ACCEL_FAILED is deprecated and should not be used.
- */
-#define MBEDTLS_ERR_CAMELLIA_HW_ACCEL_FAILED              -0x0027  /**< Camellia hardware accelerator failed. */
-
 #ifdef __cplusplus
 extern "C" {
 #endif
diff --git a/include/mbedtls/ccm.h b/include/mbedtls/ccm.h
index 7193863..f63e61b 100644
--- a/include/mbedtls/ccm.h
+++ b/include/mbedtls/ccm.h
@@ -58,9 +58,6 @@
 #define MBEDTLS_ERR_CCM_BAD_INPUT       -0x000D /**< Bad input parameters to the function. */
 #define MBEDTLS_ERR_CCM_AUTH_FAILED     -0x000F /**< Authenticated decryption failed. */
 
-/* MBEDTLS_ERR_CCM_HW_ACCEL_FAILED is deprecated and should not be used. */
-#define MBEDTLS_ERR_CCM_HW_ACCEL_FAILED -0x0011 /**< CCM hardware accelerator failed. */
-
 #ifdef __cplusplus
 extern "C" {
 #endif
diff --git a/include/mbedtls/chacha20.h b/include/mbedtls/chacha20.h
index e59dd1f..a6a8cda 100644
--- a/include/mbedtls/chacha20.h
+++ b/include/mbedtls/chacha20.h
@@ -43,14 +43,6 @@
 
 #define MBEDTLS_ERR_CHACHA20_BAD_INPUT_DATA         -0x0051 /**< Invalid input parameter(s). */
 
-/* MBEDTLS_ERR_CHACHA20_FEATURE_UNAVAILABLE is deprecated and should not be
- * used. */
-#define MBEDTLS_ERR_CHACHA20_FEATURE_UNAVAILABLE    -0x0053 /**< Feature not available. For example, s part of the API is not implemented. */
-
-/* MBEDTLS_ERR_CHACHA20_HW_ACCEL_FAILED is deprecated and should not be used.
- */
-#define MBEDTLS_ERR_CHACHA20_HW_ACCEL_FAILED        -0x0055  /**< Chacha20 hardware accelerator failed. */
-
 #ifdef __cplusplus
 extern "C" {
 #endif
diff --git a/include/mbedtls/cipher.h b/include/mbedtls/cipher.h
index bfc911f..19b0d6c 100644
--- a/include/mbedtls/cipher.h
+++ b/include/mbedtls/cipher.h
@@ -62,9 +62,6 @@
 #define MBEDTLS_ERR_CIPHER_AUTH_FAILED          -0x6300  /**< Authentication failed (for AEAD modes). */
 #define MBEDTLS_ERR_CIPHER_INVALID_CONTEXT      -0x6380  /**< The context is invalid. For example, because it was freed. */
 
-/* MBEDTLS_ERR_CIPHER_HW_ACCEL_FAILED is deprecated and should not be used. */
-#define MBEDTLS_ERR_CIPHER_HW_ACCEL_FAILED      -0x6400  /**< Cipher hardware accelerator failed. */
-
 #define MBEDTLS_CIPHER_VARIABLE_IV_LEN     0x01    /**< Cipher accepts IVs of variable length. */
 #define MBEDTLS_CIPHER_VARIABLE_KEY_LEN    0x02    /**< Cipher accepts keys of variable length. */
 
diff --git a/include/mbedtls/cmac.h b/include/mbedtls/cmac.h
index cb538d0..702175f 100644
--- a/include/mbedtls/cmac.h
+++ b/include/mbedtls/cmac.h
@@ -38,9 +38,6 @@
 extern "C" {
 #endif
 
-/* MBEDTLS_ERR_CMAC_HW_ACCEL_FAILED is deprecated and should not be used. */
-#define MBEDTLS_ERR_CMAC_HW_ACCEL_FAILED -0x007A  /**< CMAC hardware accelerator failed. */
-
 #define MBEDTLS_AES_BLOCK_SIZE          16
 #define MBEDTLS_DES3_BLOCK_SIZE         8
 
diff --git a/include/mbedtls/des.h b/include/mbedtls/des.h
index 549d19b..92da73f 100644
--- a/include/mbedtls/des.h
+++ b/include/mbedtls/des.h
@@ -41,9 +41,6 @@
 
 #define MBEDTLS_ERR_DES_INVALID_INPUT_LENGTH              -0x0032  /**< The data input has an invalid length. */
 
-/* MBEDTLS_ERR_DES_HW_ACCEL_FAILED is deprecated and should not be used. */
-#define MBEDTLS_ERR_DES_HW_ACCEL_FAILED                   -0x0033  /**< DES hardware accelerator failed. */
-
 #define MBEDTLS_DES_KEY_SIZE    8
 
 #ifdef __cplusplus
diff --git a/include/mbedtls/dhm.h b/include/mbedtls/dhm.h
index c7830b9..0a259d1 100644
--- a/include/mbedtls/dhm.h
+++ b/include/mbedtls/dhm.h
@@ -82,10 +82,6 @@
 #define MBEDTLS_ERR_DHM_INVALID_FORMAT                    -0x3380  /**< The ASN.1 data is not formatted correctly. */
 #define MBEDTLS_ERR_DHM_ALLOC_FAILED                      -0x3400  /**< Allocation of memory failed. */
 #define MBEDTLS_ERR_DHM_FILE_IO_ERROR                     -0x3480  /**< Read or write of file failed. */
-
-/* MBEDTLS_ERR_DHM_HW_ACCEL_FAILED is deprecated and should not be used. */
-#define MBEDTLS_ERR_DHM_HW_ACCEL_FAILED                   -0x3500  /**< DHM hardware accelerator failed. */
-
 #define MBEDTLS_ERR_DHM_SET_GROUP_FAILED                  -0x3580  /**< Setting the modulus and generator failed. */
 
 #ifdef __cplusplus
diff --git a/include/mbedtls/ecp.h b/include/mbedtls/ecp.h
index 34dd0ea..149bda0 100644
--- a/include/mbedtls/ecp.h
+++ b/include/mbedtls/ecp.h
@@ -53,10 +53,6 @@
 #define MBEDTLS_ERR_ECP_RANDOM_FAILED                     -0x4D00  /**< Generation of random value, such as ephemeral key, failed. */
 #define MBEDTLS_ERR_ECP_INVALID_KEY                       -0x4C80  /**< Invalid private or public key. */
 #define MBEDTLS_ERR_ECP_SIG_LEN_MISMATCH                  -0x4C00  /**< The buffer contains a valid signature followed by more data. */
-
-/* MBEDTLS_ERR_ECP_HW_ACCEL_FAILED is deprecated and should not be used. */
-#define MBEDTLS_ERR_ECP_HW_ACCEL_FAILED                   -0x4B80  /**< The ECP hardware accelerator failed. */
-
 #define MBEDTLS_ERR_ECP_IN_PROGRESS                       -0x4B00  /**< Operation in progress, call again with the same parameters to continue. */
 
 /* Flags indicating whether to include code that is specific to certain
diff --git a/include/mbedtls/error.h b/include/mbedtls/error.h
index cd7731e..0ea1d06 100644
--- a/include/mbedtls/error.h
+++ b/include/mbedtls/error.h
@@ -114,6 +114,9 @@
 #define MBEDTLS_ERR_ERROR_GENERIC_ERROR       -0x0001  /**< Generic error */
 #define MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED -0x006E  /**< This is a bug in the library */
 
+#define MBEDTLS_ERR_PLATFORM_HW_ACCEL_FAILED     -0x0070 /**< Hardware accelerator failed */
+#define MBEDTLS_ERR_PLATFORM_FEATURE_UNSUPPORTED -0x0072 /**< The requested feature is not supported by the platform */
+
 /**
  * \brief Translate a mbed TLS error code into a string representation,
  *        Result is truncated if necessary and always includes a terminating
diff --git a/include/mbedtls/gcm.h b/include/mbedtls/gcm.h
index 6b67361..7636639 100644
--- a/include/mbedtls/gcm.h
+++ b/include/mbedtls/gcm.h
@@ -45,10 +45,6 @@
 #define MBEDTLS_GCM_DECRYPT     0
 
 #define MBEDTLS_ERR_GCM_AUTH_FAILED                       -0x0012  /**< Authenticated decryption failed. */
-
-/* MBEDTLS_ERR_GCM_HW_ACCEL_FAILED is deprecated and should not be used. */
-#define MBEDTLS_ERR_GCM_HW_ACCEL_FAILED                   -0x0013  /**< GCM hardware accelerator failed. */
-
 #define MBEDTLS_ERR_GCM_BAD_INPUT                         -0x0014  /**< Bad input parameters to function. */
 
 #ifdef __cplusplus
diff --git a/include/mbedtls/md.h b/include/mbedtls/md.h
index 06c6fbd..fbc3b47 100644
--- a/include/mbedtls/md.h
+++ b/include/mbedtls/md.h
@@ -38,11 +38,6 @@
 #define MBEDTLS_ERR_MD_ALLOC_FAILED                       -0x5180  /**< Failed to allocate memory. */
 #define MBEDTLS_ERR_MD_FILE_IO_ERROR                      -0x5200  /**< Opening or reading of file failed. */
 
-// TODO [TR] for #4029: can't remove it because it's still used in the code.
-// see the other TODOs
-/* MBEDTLS_ERR_MD_HW_ACCEL_FAILED is deprecated and should not be used. */
-#define MBEDTLS_ERR_MD_HW_ACCEL_FAILED                    -0x5280  /**< MD hardware accelerator failed. */
-
 #ifdef __cplusplus
 extern "C" {
 #endif
diff --git a/include/mbedtls/pk.h b/include/mbedtls/pk.h
index f386656..67cbb38 100644
--- a/include/mbedtls/pk.h
+++ b/include/mbedtls/pk.h
@@ -67,9 +67,6 @@
 #define MBEDTLS_ERR_PK_FEATURE_UNAVAILABLE -0x3980  /**< Unavailable feature, e.g. RSA disabled for RSA key. */
 #define MBEDTLS_ERR_PK_SIG_LEN_MISMATCH    -0x3900  /**< The buffer contains a valid signature followed by more data. */
 
-/* MBEDTLS_ERR_PK_HW_ACCEL_FAILED is deprecated and should not be used. */
-#define MBEDTLS_ERR_PK_HW_ACCEL_FAILED     -0x3880  /**< PK hardware accelerator failed. */
-
 #ifdef __cplusplus
 extern "C" {
 #endif
diff --git a/include/mbedtls/platform.h b/include/mbedtls/platform.h
index fde5ee8..c944732 100644
--- a/include/mbedtls/platform.h
+++ b/include/mbedtls/platform.h
@@ -41,9 +41,6 @@
 #include "mbedtls/platform_time.h"
 #endif
 
-#define MBEDTLS_ERR_PLATFORM_HW_ACCEL_FAILED     -0x0070 /**< Hardware accelerator failed */
-#define MBEDTLS_ERR_PLATFORM_FEATURE_UNSUPPORTED -0x0072 /**< The requested feature is not supported by the platform */
-
 #ifdef __cplusplus
 extern "C" {
 #endif
diff --git a/include/mbedtls/poly1305.h b/include/mbedtls/poly1305.h
index 905c145..1767f58 100644
--- a/include/mbedtls/poly1305.h
+++ b/include/mbedtls/poly1305.h
@@ -43,14 +43,6 @@
 
 #define MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA         -0x0057 /**< Invalid input parameter(s). */
 
-/* MBEDTLS_ERR_POLY1305_FEATURE_UNAVAILABLE is deprecated and should not be
- * used. */
-#define MBEDTLS_ERR_POLY1305_FEATURE_UNAVAILABLE    -0x0059 /**< Feature not available. For example, s part of the API is not implemented. */
-
-/* MBEDTLS_ERR_POLY1305_HW_ACCEL_FAILED is deprecated and should not be used.
- */
-#define MBEDTLS_ERR_POLY1305_HW_ACCEL_FAILED        -0x005B  /**< Poly1305 hardware accelerator failed. */
-
 #ifdef __cplusplus
 extern "C" {
 #endif
diff --git a/include/mbedtls/psa_util.h b/include/mbedtls/psa_util.h
index 691ff3c..a49968e 100644
--- a/include/mbedtls/psa_util.h
+++ b/include/mbedtls/psa_util.h
@@ -40,6 +40,7 @@
 #include "mbedtls/md.h"
 #include "mbedtls/pk.h"
 #include "mbedtls/oid.h"
+#include "mbedtls/error.h"
 
 #include <string.h>
 
@@ -353,11 +354,11 @@
         case PSA_ERROR_COMMUNICATION_FAILURE:
         case PSA_ERROR_HARDWARE_FAILURE:
         case PSA_ERROR_CORRUPTION_DETECTED:
-            return( MBEDTLS_ERR_PK_HW_ACCEL_FAILED );
+            return( MBEDTLS_ERR_PLATFORM_HW_ACCEL_FAILED );
         default: /* We return the same as for the 'other failures',
                   * but list them separately nonetheless to indicate
                   * which failure conditions we have considered. */
-            return( MBEDTLS_ERR_PK_HW_ACCEL_FAILED );
+            return( MBEDTLS_ERR_PLATFORM_HW_ACCEL_FAILED );
     }
 }
 
diff --git a/include/mbedtls/rsa.h b/include/mbedtls/rsa.h
index b4c9a04..38784fc 100644
--- a/include/mbedtls/rsa.h
+++ b/include/mbedtls/rsa.h
@@ -54,13 +54,6 @@
 #define MBEDTLS_ERR_RSA_OUTPUT_TOO_LARGE                  -0x4400  /**< The output buffer for decryption is not large enough. */
 #define MBEDTLS_ERR_RSA_RNG_FAILED                        -0x4480  /**< The random generator failed to generate non-zeros. */
 
-/* MBEDTLS_ERR_RSA_UNSUPPORTED_OPERATION is deprecated and should not be used.
- */
-#define MBEDTLS_ERR_RSA_UNSUPPORTED_OPERATION             -0x4500  /**< The implementation does not offer the requested operation, for example, because of security violations or lack of functionality. */
-
-/* MBEDTLS_ERR_RSA_HW_ACCEL_FAILED is deprecated and should not be used. */
-#define MBEDTLS_ERR_RSA_HW_ACCEL_FAILED                   -0x4580  /**< RSA hardware accelerator failed. */
-
 /*
  * RSA constants
  */
diff --git a/include/mbedtls/threading.h b/include/mbedtls/threading.h
index 05e27c5..1047f8f 100644
--- a/include/mbedtls/threading.h
+++ b/include/mbedtls/threading.h
@@ -34,10 +34,6 @@
 extern "C" {
 #endif
 
-/* MBEDTLS_ERR_THREADING_FEATURE_UNAVAILABLE is deprecated and should not be
- * used. */
-#define MBEDTLS_ERR_THREADING_FEATURE_UNAVAILABLE         -0x001A  /**< The selected feature is not available. */
-
 #define MBEDTLS_ERR_THREADING_BAD_INPUT_DATA              -0x001C  /**< Bad input parameters to function. */
 #define MBEDTLS_ERR_THREADING_MUTEX_ERROR                 -0x001E  /**< Locking / unlocking / free failed with error code. */
 
diff --git a/include/mbedtls/xtea.h b/include/mbedtls/xtea.h
index 473dd4b..5ce2fe4 100644
--- a/include/mbedtls/xtea.h
+++ b/include/mbedtls/xtea.h
@@ -36,9 +36,6 @@
 
 #define MBEDTLS_ERR_XTEA_INVALID_INPUT_LENGTH             -0x0028  /**< The data input has an invalid length. */
 
-/* MBEDTLS_ERR_XTEA_HW_ACCEL_FAILED is deprecated and should not be used. */
-#define MBEDTLS_ERR_XTEA_HW_ACCEL_FAILED                  -0x0029  /**< XTEA hardware accelerator failed. */
-
 #ifdef __cplusplus
 extern "C" {
 #endif
diff --git a/library/cipher.c b/library/cipher.c
index c88d666..043bb91 100644
--- a/library/cipher.c
+++ b/library/cipher.c
@@ -328,7 +328,7 @@
             case PSA_ERROR_NOT_SUPPORTED:
                 return( MBEDTLS_ERR_CIPHER_FEATURE_UNAVAILABLE );
             default:
-                return( MBEDTLS_ERR_CIPHER_HW_ACCEL_FAILED );
+                return( MBEDTLS_ERR_PLATFORM_HW_ACCEL_FAILED );
         }
         /* Indicate that we own the key slot and need to
          * destroy it in mbedtls_cipher_free(). */
@@ -1244,23 +1244,23 @@
          * are terminated by unsuccessful calls to psa_cipher_update(),
          * and by any call to psa_cipher_finish(). */
         if( status != PSA_SUCCESS )
-            return( MBEDTLS_ERR_CIPHER_HW_ACCEL_FAILED );
+            return( MBEDTLS_ERR_PLATFORM_HW_ACCEL_FAILED );
 
         status = psa_cipher_set_iv( &cipher_op, iv, iv_len );
         if( status != PSA_SUCCESS )
-            return( MBEDTLS_ERR_CIPHER_HW_ACCEL_FAILED );
+            return( MBEDTLS_ERR_PLATFORM_HW_ACCEL_FAILED );
 
         status = psa_cipher_update( &cipher_op,
                                     input, ilen,
                                     output, ilen, olen );
         if( status != PSA_SUCCESS )
-            return( MBEDTLS_ERR_CIPHER_HW_ACCEL_FAILED );
+            return( MBEDTLS_ERR_PLATFORM_HW_ACCEL_FAILED );
 
         status = psa_cipher_finish( &cipher_op,
                                     output + *olen, ilen - *olen,
                                     &part_len );
         if( status != PSA_SUCCESS )
-            return( MBEDTLS_ERR_CIPHER_HW_ACCEL_FAILED );
+            return( MBEDTLS_ERR_PLATFORM_HW_ACCEL_FAILED );
 
         *olen += part_len;
         return( 0 );
@@ -1323,7 +1323,7 @@
                                    input, ilen,
                                    output, ilen + tag_len, olen );
         if( status != PSA_SUCCESS )
-            return( MBEDTLS_ERR_CIPHER_HW_ACCEL_FAILED );
+            return( MBEDTLS_ERR_PLATFORM_HW_ACCEL_FAILED );
 
         *olen -= tag_len;
         return( 0 );
@@ -1405,7 +1405,7 @@
         if( status == PSA_ERROR_INVALID_SIGNATURE )
             return( MBEDTLS_ERR_CIPHER_AUTH_FAILED );
         else if( status != PSA_SUCCESS )
-            return( MBEDTLS_ERR_CIPHER_HW_ACCEL_FAILED );
+            return( MBEDTLS_ERR_PLATFORM_HW_ACCEL_FAILED );
 
         return( 0 );
     }
diff --git a/library/error.c b/library/error.c
index 4755f23..f489be6 100644
--- a/library/error.c
+++ b/library/error.c
@@ -38,10 +38,6 @@
 #include "mbedtls/aes.h"
 #endif
 
-#if defined(MBEDTLS_ARC4_C)
-#include "mbedtls/arc4.h"
-#endif
-
 #if defined(MBEDTLS_ARIA_C)
 #include "mbedtls/aria.h"
 #endif
@@ -82,10 +78,6 @@
 #include "mbedtls/cipher.h"
 #endif
 
-#if defined(MBEDTLS_CMAC_C)
-#include "mbedtls/cmac.h"
-#endif
-
 #if defined(MBEDTLS_CTR_DRBG_C)
 #include "mbedtls/ctr_drbg.h"
 #endif
@@ -110,6 +102,10 @@
 #include "mbedtls/error.h"
 #endif
 
+#if defined(MBEDTLS_PLATFORM_C)
+#include "mbedtls/platform.h"
+#endif
+
 #if defined(MBEDTLS_GCM_C)
 #include "mbedtls/gcm.h"
 #endif
@@ -150,10 +146,6 @@
 #include "mbedtls/pkcs5.h"
 #endif
 
-#if defined(MBEDTLS_PLATFORM_C)
-#include "mbedtls/platform.h"
-#endif
-
 #if defined(MBEDTLS_POLY1305_C)
 #include "mbedtls/poly1305.h"
 #endif
@@ -219,8 +211,6 @@
             return( "CIPHER - Authentication failed (for AEAD modes)" );
         case -(MBEDTLS_ERR_CIPHER_INVALID_CONTEXT):
             return( "CIPHER - The context is invalid. For example, because it was freed" );
-        case -(MBEDTLS_ERR_CIPHER_HW_ACCEL_FAILED):
-            return( "CIPHER - Cipher hardware accelerator failed" );
 #endif /* MBEDTLS_CIPHER_C */
 
 #if defined(MBEDTLS_DHM_C)
@@ -242,8 +232,6 @@
             return( "DHM - Allocation of memory failed" );
         case -(MBEDTLS_ERR_DHM_FILE_IO_ERROR):
             return( "DHM - Read or write of file failed" );
-        case -(MBEDTLS_ERR_DHM_HW_ACCEL_FAILED):
-            return( "DHM - DHM hardware accelerator failed" );
         case -(MBEDTLS_ERR_DHM_SET_GROUP_FAILED):
             return( "DHM - Setting the modulus and generator failed" );
 #endif /* MBEDTLS_DHM_C */
@@ -265,8 +253,6 @@
             return( "ECP - Invalid private or public key" );
         case -(MBEDTLS_ERR_ECP_SIG_LEN_MISMATCH):
             return( "ECP - The buffer contains a valid signature followed by more data" );
-        case -(MBEDTLS_ERR_ECP_HW_ACCEL_FAILED):
-            return( "ECP - The ECP hardware accelerator failed" );
         case -(MBEDTLS_ERR_ECP_IN_PROGRESS):
             return( "ECP - Operation in progress, call again with the same parameters to continue" );
 #endif /* MBEDTLS_ECP_C */
@@ -280,8 +266,6 @@
             return( "MD - Failed to allocate memory" );
         case -(MBEDTLS_ERR_MD_FILE_IO_ERROR):
             return( "MD - Opening or reading of file failed" );
-        case -(MBEDTLS_ERR_MD_HW_ACCEL_FAILED):
-            return( "MD - MD hardware accelerator failed" );
 #endif /* MBEDTLS_MD_C */
 
 #if defined(MBEDTLS_PEM_PARSE_C) || defined(MBEDTLS_PEM_WRITE_C)
@@ -334,8 +318,6 @@
             return( "PK - Unavailable feature, e.g. RSA disabled for RSA key" );
         case -(MBEDTLS_ERR_PK_SIG_LEN_MISMATCH):
             return( "PK - The buffer contains a valid signature followed by more data" );
-        case -(MBEDTLS_ERR_PK_HW_ACCEL_FAILED):
-            return( "PK - PK hardware accelerator failed" );
 #endif /* MBEDTLS_PK_C */
 
 #if defined(MBEDTLS_PKCS12_C)
@@ -379,10 +361,6 @@
             return( "RSA - The output buffer for decryption is not large enough" );
         case -(MBEDTLS_ERR_RSA_RNG_FAILED):
             return( "RSA - The random generator failed to generate non-zeros" );
-        case -(MBEDTLS_ERR_RSA_UNSUPPORTED_OPERATION):
-            return( "RSA - The implementation does not offer the requested operation, for example, because of security violations or lack of functionality" );
-        case -(MBEDTLS_ERR_RSA_HW_ACCEL_FAILED):
-            return( "RSA - RSA hardware accelerator failed" );
 #endif /* MBEDTLS_RSA_C */
 
 #if defined(MBEDTLS_SSL_TLS_C)
@@ -573,26 +551,13 @@
             return( "AES - Invalid data input length" );
         case -(MBEDTLS_ERR_AES_BAD_INPUT_DATA):
             return( "AES - Invalid input data" );
-        case -(MBEDTLS_ERR_AES_FEATURE_UNAVAILABLE):
-            return( "AES - Feature not available. For example, an unsupported AES key size" );
-        case -(MBEDTLS_ERR_AES_HW_ACCEL_FAILED):
-            return( "AES - AES hardware accelerator failed" );
 #endif /* MBEDTLS_AES_C */
 
-#if defined(MBEDTLS_ARC4_C)
-        case -(MBEDTLS_ERR_ARC4_HW_ACCEL_FAILED):
-            return( "ARC4 - ARC4 hardware accelerator failed" );
-#endif /* MBEDTLS_ARC4_C */
-
 #if defined(MBEDTLS_ARIA_C)
         case -(MBEDTLS_ERR_ARIA_BAD_INPUT_DATA):
             return( "ARIA - Bad input data" );
         case -(MBEDTLS_ERR_ARIA_INVALID_INPUT_LENGTH):
             return( "ARIA - Invalid data input length" );
-        case -(MBEDTLS_ERR_ARIA_FEATURE_UNAVAILABLE):
-            return( "ARIA - Feature not available. For example, an unsupported ARIA key size" );
-        case -(MBEDTLS_ERR_ARIA_HW_ACCEL_FAILED):
-            return( "ARIA - ARIA hardware accelerator failed" );
 #endif /* MBEDTLS_ARIA_C */
 
 #if defined(MBEDTLS_ASN1_PARSE_C)
@@ -643,8 +608,6 @@
             return( "BLOWFISH - Bad input data" );
         case -(MBEDTLS_ERR_BLOWFISH_INVALID_INPUT_LENGTH):
             return( "BLOWFISH - Invalid data input length" );
-        case -(MBEDTLS_ERR_BLOWFISH_HW_ACCEL_FAILED):
-            return( "BLOWFISH - Blowfish hardware accelerator failed" );
 #endif /* MBEDTLS_BLOWFISH_C */
 
 #if defined(MBEDTLS_CAMELLIA_C)
@@ -652,8 +615,6 @@
             return( "CAMELLIA - Bad input data" );
         case -(MBEDTLS_ERR_CAMELLIA_INVALID_INPUT_LENGTH):
             return( "CAMELLIA - Invalid data input length" );
-        case -(MBEDTLS_ERR_CAMELLIA_HW_ACCEL_FAILED):
-            return( "CAMELLIA - Camellia hardware accelerator failed" );
 #endif /* MBEDTLS_CAMELLIA_C */
 
 #if defined(MBEDTLS_CCM_C)
@@ -661,17 +622,11 @@
             return( "CCM - Bad input parameters to the function" );
         case -(MBEDTLS_ERR_CCM_AUTH_FAILED):
             return( "CCM - Authenticated decryption failed" );
-        case -(MBEDTLS_ERR_CCM_HW_ACCEL_FAILED):
-            return( "CCM - CCM hardware accelerator failed" );
 #endif /* MBEDTLS_CCM_C */
 
 #if defined(MBEDTLS_CHACHA20_C)
         case -(MBEDTLS_ERR_CHACHA20_BAD_INPUT_DATA):
             return( "CHACHA20 - Invalid input parameter(s)" );
-        case -(MBEDTLS_ERR_CHACHA20_FEATURE_UNAVAILABLE):
-            return( "CHACHA20 - Feature not available. For example, s part of the API is not implemented" );
-        case -(MBEDTLS_ERR_CHACHA20_HW_ACCEL_FAILED):
-            return( "CHACHA20 - Chacha20 hardware accelerator failed" );
 #endif /* MBEDTLS_CHACHA20_C */
 
 #if defined(MBEDTLS_CHACHAPOLY_C)
@@ -681,11 +636,6 @@
             return( "CHACHAPOLY - Authenticated decryption failed: data was not authentic" );
 #endif /* MBEDTLS_CHACHAPOLY_C */
 
-#if defined(MBEDTLS_CMAC_C)
-        case -(MBEDTLS_ERR_CMAC_HW_ACCEL_FAILED):
-            return( "CMAC - CMAC hardware accelerator failed" );
-#endif /* MBEDTLS_CMAC_C */
-
 #if defined(MBEDTLS_CTR_DRBG_C)
         case -(MBEDTLS_ERR_CTR_DRBG_ENTROPY_SOURCE_FAILED):
             return( "CTR_DRBG - The entropy source failed" );
@@ -700,8 +650,6 @@
 #if defined(MBEDTLS_DES_C)
         case -(MBEDTLS_ERR_DES_INVALID_INPUT_LENGTH):
             return( "DES - The data input has an invalid length" );
-        case -(MBEDTLS_ERR_DES_HW_ACCEL_FAILED):
-            return( "DES - DES hardware accelerator failed" );
 #endif /* MBEDTLS_DES_C */
 
 #if defined(MBEDTLS_ENTROPY_C)
@@ -724,11 +672,16 @@
             return( "ERROR - This is a bug in the library" );
 #endif /* MBEDTLS_ERROR_C */
 
+#if defined(MBEDTLS_PLATFORM_C)
+        case -(MBEDTLS_ERR_PLATFORM_HW_ACCEL_FAILED):
+            return( "PLATFORM - Hardware accelerator failed" );
+        case -(MBEDTLS_ERR_PLATFORM_FEATURE_UNSUPPORTED):
+            return( "PLATFORM - The requested feature is not supported by the platform" );
+#endif /* MBEDTLS_PLATFORM_C */
+
 #if defined(MBEDTLS_GCM_C)
         case -(MBEDTLS_ERR_GCM_AUTH_FAILED):
             return( "GCM - Authenticated decryption failed" );
-        case -(MBEDTLS_ERR_GCM_HW_ACCEL_FAILED):
-            return( "GCM - GCM hardware accelerator failed" );
         case -(MBEDTLS_ERR_GCM_BAD_INPUT):
             return( "GCM - Bad input parameters to function" );
 #endif /* MBEDTLS_GCM_C */
@@ -785,20 +738,9 @@
             return( "OID - output buffer is too small" );
 #endif /* MBEDTLS_OID_C */
 
-#if defined(MBEDTLS_PLATFORM_C)
-        case -(MBEDTLS_ERR_PLATFORM_HW_ACCEL_FAILED):
-            return( "PLATFORM - Hardware accelerator failed" );
-        case -(MBEDTLS_ERR_PLATFORM_FEATURE_UNSUPPORTED):
-            return( "PLATFORM - The requested feature is not supported by the platform" );
-#endif /* MBEDTLS_PLATFORM_C */
-
 #if defined(MBEDTLS_POLY1305_C)
         case -(MBEDTLS_ERR_POLY1305_BAD_INPUT_DATA):
             return( "POLY1305 - Invalid input parameter(s)" );
-        case -(MBEDTLS_ERR_POLY1305_FEATURE_UNAVAILABLE):
-            return( "POLY1305 - Feature not available. For example, s part of the API is not implemented" );
-        case -(MBEDTLS_ERR_POLY1305_HW_ACCEL_FAILED):
-            return( "POLY1305 - Poly1305 hardware accelerator failed" );
 #endif /* MBEDTLS_POLY1305_C */
 
 #if defined(MBEDTLS_SHA1_C)
@@ -817,8 +759,6 @@
 #endif /* MBEDTLS_SHA512_C */
 
 #if defined(MBEDTLS_THREADING_C)
-        case -(MBEDTLS_ERR_THREADING_FEATURE_UNAVAILABLE):
-            return( "THREADING - The selected feature is not available" );
         case -(MBEDTLS_ERR_THREADING_BAD_INPUT_DATA):
             return( "THREADING - Bad input parameters to function" );
         case -(MBEDTLS_ERR_THREADING_MUTEX_ERROR):
@@ -828,8 +768,6 @@
 #if defined(MBEDTLS_XTEA_C)
         case -(MBEDTLS_ERR_XTEA_INVALID_INPUT_LENGTH):
             return( "XTEA - The data input has an invalid length" );
-        case -(MBEDTLS_ERR_XTEA_HW_ACCEL_FAILED):
-            return( "XTEA - XTEA hardware accelerator failed" );
 #endif /* MBEDTLS_XTEA_C */
         /* End Auto-Generated Code. */
 
diff --git a/library/pk.c b/library/pk.c
index 16b2dd0..6d29663 100644
--- a/library/pk.c
+++ b/library/pk.c
@@ -626,7 +626,7 @@
 
     /* import private key into PSA */
     if( PSA_SUCCESS != psa_import_key( &attributes, d, d_len, key ) )
-        return( MBEDTLS_ERR_PK_HW_ACCEL_FAILED );
+        return( MBEDTLS_ERR_PLATFORM_HW_ACCEL_FAILED );
 
     /* make PK context wrap the key slot */
     mbedtls_pk_free( pk );
diff --git a/library/pk_wrap.c b/library/pk_wrap.c
index a454f1a..bf9d4c5 100644
--- a/library/pk_wrap.c
+++ b/library/pk_wrap.c
@@ -941,7 +941,7 @@
 
     /* this is only reached if the signature was invalid */
     if( len == 0 )
-        return( MBEDTLS_ERR_PK_HW_ACCEL_FAILED );
+        return( MBEDTLS_ERR_PLATFORM_HW_ACCEL_FAILED );
 
     /* if the msb is 1, ASN.1 requires that we prepend a 0.
      * Neither r nor s can be 0, so we can assume len > 0 at all times. */
diff --git a/library/pkwrite.c b/library/pkwrite.c
index 97273b1..71cc0f0 100644
--- a/library/pkwrite.c
+++ b/library/pkwrite.c
@@ -271,7 +271,7 @@
 
         key_id = *((psa_key_id_t*) key->pk_ctx );
         if( PSA_SUCCESS != psa_get_key_attributes( key_id, &attributes ) )
-            return( MBEDTLS_ERR_PK_HW_ACCEL_FAILED );
+            return( MBEDTLS_ERR_PLATFORM_HW_ACCEL_FAILED );
         key_type = psa_get_key_type( &attributes );
         bits = psa_get_key_bits( &attributes );
         psa_reset_key_attributes( &attributes );
diff --git a/library/psa_crypto.c b/library/psa_crypto.c
index 452897e..98885ee 100644
--- a/library/psa_crypto.c
+++ b/library/psa_crypto.c
@@ -151,11 +151,7 @@
 
         case MBEDTLS_ERR_AES_INVALID_KEY_LENGTH:
         case MBEDTLS_ERR_AES_INVALID_INPUT_LENGTH:
-        case MBEDTLS_ERR_AES_FEATURE_UNAVAILABLE:
             return( PSA_ERROR_NOT_SUPPORTED );
-        case MBEDTLS_ERR_AES_HW_ACCEL_FAILED:
-            return( PSA_ERROR_HARDWARE_FAILURE );
-
         case MBEDTLS_ERR_ASN1_OUT_OF_DATA:
         case MBEDTLS_ERR_ASN1_UNEXPECTED_TAG:
         case MBEDTLS_ERR_ASN1_INVALID_LENGTH:
@@ -169,30 +165,20 @@
 
 #if defined(MBEDTLS_ERR_BLOWFISH_BAD_INPUT_DATA)
         case MBEDTLS_ERR_BLOWFISH_BAD_INPUT_DATA:
-#elif defined(MBEDTLS_ERR_BLOWFISH_INVALID_KEY_LENGTH)
-        case MBEDTLS_ERR_BLOWFISH_INVALID_KEY_LENGTH:
 #endif
         case MBEDTLS_ERR_BLOWFISH_INVALID_INPUT_LENGTH:
             return( PSA_ERROR_NOT_SUPPORTED );
-        case MBEDTLS_ERR_BLOWFISH_HW_ACCEL_FAILED:
-            return( PSA_ERROR_HARDWARE_FAILURE );
 
 #if defined(MBEDTLS_ERR_CAMELLIA_BAD_INPUT_DATA)
         case MBEDTLS_ERR_CAMELLIA_BAD_INPUT_DATA:
-#elif defined(MBEDTLS_ERR_CAMELLIA_INVALID_KEY_LENGTH)
-        case MBEDTLS_ERR_CAMELLIA_INVALID_KEY_LENGTH:
 #endif
         case MBEDTLS_ERR_CAMELLIA_INVALID_INPUT_LENGTH:
             return( PSA_ERROR_NOT_SUPPORTED );
-        case MBEDTLS_ERR_CAMELLIA_HW_ACCEL_FAILED:
-            return( PSA_ERROR_HARDWARE_FAILURE );
 
         case MBEDTLS_ERR_CCM_BAD_INPUT:
             return( PSA_ERROR_INVALID_ARGUMENT );
         case MBEDTLS_ERR_CCM_AUTH_FAILED:
             return( PSA_ERROR_INVALID_SIGNATURE );
-        case MBEDTLS_ERR_CCM_HW_ACCEL_FAILED:
-            return( PSA_ERROR_HARDWARE_FAILURE );
 
         case MBEDTLS_ERR_CHACHA20_BAD_INPUT_DATA:
             return( PSA_ERROR_INVALID_ARGUMENT );
@@ -216,11 +202,6 @@
             return( PSA_ERROR_INVALID_SIGNATURE );
         case MBEDTLS_ERR_CIPHER_INVALID_CONTEXT:
             return( PSA_ERROR_CORRUPTION_DETECTED );
-        case MBEDTLS_ERR_CIPHER_HW_ACCEL_FAILED:
-            return( PSA_ERROR_HARDWARE_FAILURE );
-
-        case MBEDTLS_ERR_CMAC_HW_ACCEL_FAILED:
-            return( PSA_ERROR_HARDWARE_FAILURE );
 
 #if !( defined(MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG) ||      \
        defined(MBEDTLS_PSA_HMAC_DRBG_MD_TYPE) )
@@ -237,8 +218,6 @@
 
         case MBEDTLS_ERR_DES_INVALID_INPUT_LENGTH:
             return( PSA_ERROR_NOT_SUPPORTED );
-        case MBEDTLS_ERR_DES_HW_ACCEL_FAILED:
-            return( PSA_ERROR_HARDWARE_FAILURE );
 
         case MBEDTLS_ERR_ENTROPY_NO_SOURCES_DEFINED:
         case MBEDTLS_ERR_ENTROPY_NO_STRONG_SOURCE:
@@ -249,8 +228,6 @@
             return( PSA_ERROR_INVALID_SIGNATURE );
         case MBEDTLS_ERR_GCM_BAD_INPUT:
             return( PSA_ERROR_INVALID_ARGUMENT );
-        case MBEDTLS_ERR_GCM_HW_ACCEL_FAILED:
-            return( PSA_ERROR_HARDWARE_FAILURE );
 
 #if !defined(MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG) &&        \
     defined(MBEDTLS_PSA_HMAC_DRBG_MD_TYPE)
@@ -314,8 +291,6 @@
             return( PSA_ERROR_NOT_SUPPORTED );
         case MBEDTLS_ERR_PK_SIG_LEN_MISMATCH:
             return( PSA_ERROR_INVALID_SIGNATURE );
-        case MBEDTLS_ERR_PK_HW_ACCEL_FAILED:
-            return( PSA_ERROR_HARDWARE_FAILURE );
 
         case MBEDTLS_ERR_PLATFORM_HW_ACCEL_FAILED:
             return( PSA_ERROR_HARDWARE_FAILURE );
@@ -339,15 +314,9 @@
             return( PSA_ERROR_BUFFER_TOO_SMALL );
         case MBEDTLS_ERR_RSA_RNG_FAILED:
             return( PSA_ERROR_INSUFFICIENT_ENTROPY );
-        case MBEDTLS_ERR_RSA_UNSUPPORTED_OPERATION:
-            return( PSA_ERROR_NOT_SUPPORTED );
-        case MBEDTLS_ERR_RSA_HW_ACCEL_FAILED:
-            return( PSA_ERROR_HARDWARE_FAILURE );
 
         case MBEDTLS_ERR_XTEA_INVALID_INPUT_LENGTH:
             return( PSA_ERROR_INVALID_ARGUMENT );
-        case MBEDTLS_ERR_XTEA_HW_ACCEL_FAILED:
-            return( PSA_ERROR_HARDWARE_FAILURE );
 
         case MBEDTLS_ERR_ECP_BAD_INPUT_DATA:
         case MBEDTLS_ERR_ECP_INVALID_KEY:
@@ -363,8 +332,6 @@
             return( PSA_ERROR_INSUFFICIENT_MEMORY );
         case MBEDTLS_ERR_ECP_RANDOM_FAILED:
             return( PSA_ERROR_INSUFFICIENT_ENTROPY );
-        case MBEDTLS_ERR_ECP_HW_ACCEL_FAILED:
-            return( PSA_ERROR_HARDWARE_FAILURE );
 
         case MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED:
             return( PSA_ERROR_CORRUPTION_DETECTED );
diff --git a/library/ssl_tls.c b/library/ssl_tls.c
index 8946c23..75faf22 100644
--- a/library/ssl_tls.c
+++ b/library/ssl_tls.c
@@ -7178,7 +7178,7 @@
             case PSA_ERROR_INSUFFICIENT_MEMORY:
                 return( MBEDTLS_ERR_MD_ALLOC_FAILED );
             default:
-                return( MBEDTLS_ERR_MD_HW_ACCEL_FAILED );
+                return( MBEDTLS_ERR_PLATFORM_HW_ACCEL_FAILED );
         }
     }
     return( 0 );
diff --git a/tests/suites/test_suite_rsa.function b/tests/suites/test_suite_rsa.function
index 54847a2..f4b3226 100644
--- a/tests/suites/test_suite_rsa.function
+++ b/tests/suites/test_suite_rsa.function
@@ -652,7 +652,7 @@
         TEST_ASSERT( res == 0 );
 #else
         TEST_ASSERT( ( res == 0 ) ||
-                     ( res == MBEDTLS_ERR_RSA_UNSUPPORTED_OPERATION ) );
+                     ( res == MBEDTLS_ERR_PLATFORM_FEATURE_UNSUPPORTED ) );
 #endif
 
         if( res == 0 )
@@ -713,7 +713,7 @@
         TEST_ASSERT( res == 0 );
 #else
         TEST_ASSERT( ( res == 0 ) ||
-                     ( res == MBEDTLS_ERR_RSA_UNSUPPORTED_OPERATION ) );
+                     ( res == MBEDTLS_ERR_PLATFORM_FEATURE_UNSUPPORTED ) );
 #endif
 
         if( res == 0 )