diff --git a/include/mbedtls/check_config.h b/include/mbedtls/check_config.h
index 0fa74f0..933e460 100644
--- a/include/mbedtls/check_config.h
+++ b/include/mbedtls/check_config.h
@@ -57,9 +57,8 @@
 #endif
 #endif /* _WIN32 */
 
-#if defined(TARGET_LIKE_MBED) && \
-    ( defined(MBEDTLS_NET_C) || defined(MBEDTLS_TIMING_C) )
-#error "The NET and TIMING modules are not available for mbed OS - please use the network and timing functions provided by mbed OS"
+#if defined(TARGET_LIKE_MBED) && defined(MBEDTLS_TIMING_C)
+#error "The TIMING module is not available for mbed OS - please use the timing functions provided by Mbed OS"
 #endif
 
 #if defined(MBEDTLS_DEPRECATED_WARNING) && \
@@ -83,10 +82,6 @@
 #error "MBEDTLS_DHM_C defined, but not all prerequisites"
 #endif
 
-#if defined(MBEDTLS_SSL_TRUNCATED_HMAC_COMPAT) && !defined(MBEDTLS_SSL_TRUNCATED_HMAC)
-#error "MBEDTLS_SSL_TRUNCATED_HMAC_COMPAT defined, but not all prerequisites"
-#endif
-
 #if defined(MBEDTLS_CMAC_C) && \
     !defined(MBEDTLS_AES_C) && !defined(MBEDTLS_DES_C)
 #error "MBEDTLS_CMAC_C defined, but not all prerequisites"
@@ -230,69 +225,6 @@
 #error "MBEDTLS_HMAC_DRBG_C defined, but not all prerequisites"
 #endif
 
-#if defined(MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED) &&                 \
-    ( !defined(MBEDTLS_ECDH_C) || !defined(MBEDTLS_X509_CRT_PARSE_C) )
-#error "MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED defined, but not all prerequisites"
-#endif
-
-#if defined(MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED) &&                 \
-    ( !defined(MBEDTLS_ECDH_C) || !defined(MBEDTLS_X509_CRT_PARSE_C) )
-#error "MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED defined, but not all prerequisites"
-#endif
-
-#if defined(MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED) && !defined(MBEDTLS_DHM_C)
-#error "MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED defined, but not all prerequisites"
-#endif
-
-#if defined(MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED) &&                     \
-    !defined(MBEDTLS_ECDH_C)
-#error "MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED defined, but not all prerequisites"
-#endif
-
-#if defined(MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED) &&                   \
-    ( !defined(MBEDTLS_DHM_C) || !defined(MBEDTLS_RSA_C) ||           \
-      !defined(MBEDTLS_X509_CRT_PARSE_C) || !defined(MBEDTLS_PKCS1_V15) )
-#error "MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED defined, but not all prerequisites"
-#endif
-
-#if defined(MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED) &&                 \
-    ( !defined(MBEDTLS_ECDH_C) || !defined(MBEDTLS_RSA_C) ||          \
-      !defined(MBEDTLS_X509_CRT_PARSE_C) || !defined(MBEDTLS_PKCS1_V15) )
-#error "MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED defined, but not all prerequisites"
-#endif
-
-#if defined(MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED) &&                 \
-    ( !defined(MBEDTLS_ECDH_C) || !defined(MBEDTLS_ECDSA_C) ||          \
-      !defined(MBEDTLS_X509_CRT_PARSE_C) )
-#error "MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED defined, but not all prerequisites"
-#endif
-
-#if defined(MBEDTLS_KEY_EXCHANGE_RSA_PSK_ENABLED) &&                   \
-    ( !defined(MBEDTLS_RSA_C) || !defined(MBEDTLS_X509_CRT_PARSE_C) || \
-      !defined(MBEDTLS_PKCS1_V15) )
-#error "MBEDTLS_KEY_EXCHANGE_RSA_PSK_ENABLED defined, but not all prerequisites"
-#endif
-
-#if defined(MBEDTLS_KEY_EXCHANGE_RSA_ENABLED) &&                       \
-    ( !defined(MBEDTLS_RSA_C) || !defined(MBEDTLS_X509_CRT_PARSE_C) || \
-      !defined(MBEDTLS_PKCS1_V15) )
-#error "MBEDTLS_KEY_EXCHANGE_RSA_ENABLED defined, but not all prerequisites"
-#endif
-
-#if defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED) &&                    \
-    ( !defined(MBEDTLS_ECJPAKE_C) || !defined(MBEDTLS_SHA256_C) ||      \
-      !defined(MBEDTLS_ECP_DP_SECP256R1_ENABLED) )
-#error "MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED defined, but not all prerequisites"
-#endif
-
-#if defined(MBEDTLS_KEY_EXCHANGE__WITH_CERT__ENABLED) &&        \
-    !defined(MBEDTLS_SSL_KEEP_PEER_CERTIFICATE) &&              \
-    ( !defined(MBEDTLS_SHA256_C) &&                             \
-      !defined(MBEDTLS_SHA512_C) &&                             \
-      !defined(MBEDTLS_SHA1_C) )
-#error "!MBEDTLS_SSL_KEEP_PEER_CERTIFICATE requires MBEDTLS_SHA512_C, MBEDTLS_SHA256_C or MBEDTLS_SHA1_C"
-#endif
-
 #if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C) &&                          \
     ( !defined(MBEDTLS_PLATFORM_C) || !defined(MBEDTLS_PLATFORM_MEMORY) )
 #error "MBEDTLS_MEMORY_BUFFER_ALLOC_C defined, but not all prerequisites"
@@ -566,114 +498,6 @@
 #error "MBEDTLS_X509_RSASSA_PSS_SUPPORT defined, but not all prerequisites"
 #endif
 
-#if defined(MBEDTLS_SSL_PROTO_SSL3) && ( !defined(MBEDTLS_MD5_C) ||     \
-    !defined(MBEDTLS_SHA1_C) )
-#error "MBEDTLS_SSL_PROTO_SSL3 defined, but not all prerequisites"
-#endif
-
-#if defined(MBEDTLS_SSL_PROTO_TLS1) && ( !defined(MBEDTLS_MD5_C) ||     \
-    !defined(MBEDTLS_SHA1_C) )
-#error "MBEDTLS_SSL_PROTO_TLS1 defined, but not all prerequisites"
-#endif
-
-#if defined(MBEDTLS_SSL_PROTO_TLS1_1) && ( !defined(MBEDTLS_MD5_C) ||     \
-    !defined(MBEDTLS_SHA1_C) )
-#error "MBEDTLS_SSL_PROTO_TLS1_1 defined, but not all prerequisites"
-#endif
-
-#if defined(MBEDTLS_SSL_PROTO_TLS1_2) && ( !defined(MBEDTLS_SHA1_C) &&     \
-    !defined(MBEDTLS_SHA256_C) && !defined(MBEDTLS_SHA512_C) )
-#error "MBEDTLS_SSL_PROTO_TLS1_2 defined, but not all prerequisites"
-#endif
-
-#if defined(MBEDTLS_SSL_PROTO_DTLS)     && \
-    !defined(MBEDTLS_SSL_PROTO_TLS1_1)  && \
-    !defined(MBEDTLS_SSL_PROTO_TLS1_2)
-#error "MBEDTLS_SSL_PROTO_DTLS defined, but not all prerequisites"
-#endif
-
-#if defined(MBEDTLS_SSL_CLI_C) && !defined(MBEDTLS_SSL_TLS_C)
-#error "MBEDTLS_SSL_CLI_C defined, but not all prerequisites"
-#endif
-
-#if defined(MBEDTLS_SSL_TLS_C) && ( !defined(MBEDTLS_CIPHER_C) ||     \
-    !defined(MBEDTLS_MD_C) )
-#error "MBEDTLS_SSL_TLS_C defined, but not all prerequisites"
-#endif
-
-#if defined(MBEDTLS_SSL_SRV_C) && !defined(MBEDTLS_SSL_TLS_C)
-#error "MBEDTLS_SSL_SRV_C defined, but not all prerequisites"
-#endif
-
-#if defined(MBEDTLS_SSL_TLS_C) && (!defined(MBEDTLS_SSL_PROTO_SSL3) && \
-    !defined(MBEDTLS_SSL_PROTO_TLS1) && !defined(MBEDTLS_SSL_PROTO_TLS1_1) && \
-    !defined(MBEDTLS_SSL_PROTO_TLS1_2))
-#error "MBEDTLS_SSL_TLS_C defined, but no protocols are active"
-#endif
-
-#if defined(MBEDTLS_SSL_TLS_C) && (defined(MBEDTLS_SSL_PROTO_SSL3) && \
-    defined(MBEDTLS_SSL_PROTO_TLS1_1) && !defined(MBEDTLS_SSL_PROTO_TLS1))
-#error "Illegal protocol selection"
-#endif
-
-#if defined(MBEDTLS_SSL_TLS_C) && (defined(MBEDTLS_SSL_PROTO_TLS1) && \
-    defined(MBEDTLS_SSL_PROTO_TLS1_2) && !defined(MBEDTLS_SSL_PROTO_TLS1_1))
-#error "Illegal protocol selection"
-#endif
-
-#if defined(MBEDTLS_SSL_TLS_C) && (defined(MBEDTLS_SSL_PROTO_SSL3) && \
-    defined(MBEDTLS_SSL_PROTO_TLS1_2) && (!defined(MBEDTLS_SSL_PROTO_TLS1) || \
-    !defined(MBEDTLS_SSL_PROTO_TLS1_1)))
-#error "Illegal protocol selection"
-#endif
-
-#if defined(MBEDTLS_SSL_DTLS_HELLO_VERIFY) && !defined(MBEDTLS_SSL_PROTO_DTLS)
-#error "MBEDTLS_SSL_DTLS_HELLO_VERIFY  defined, but not all prerequisites"
-#endif
-
-#if defined(MBEDTLS_SSL_DTLS_CLIENT_PORT_REUSE) && \
-    !defined(MBEDTLS_SSL_DTLS_HELLO_VERIFY)
-#error "MBEDTLS_SSL_DTLS_CLIENT_PORT_REUSE  defined, but not all prerequisites"
-#endif
-
-#if defined(MBEDTLS_SSL_DTLS_ANTI_REPLAY) &&                              \
-    ( !defined(MBEDTLS_SSL_TLS_C) || !defined(MBEDTLS_SSL_PROTO_DTLS) )
-#error "MBEDTLS_SSL_DTLS_ANTI_REPLAY  defined, but not all prerequisites"
-#endif
-
-#if defined(MBEDTLS_SSL_DTLS_BADMAC_LIMIT) &&                              \
-    ( !defined(MBEDTLS_SSL_TLS_C) || !defined(MBEDTLS_SSL_PROTO_DTLS) )
-#error "MBEDTLS_SSL_DTLS_BADMAC_LIMIT  defined, but not all prerequisites"
-#endif
-
-#if defined(MBEDTLS_SSL_ENCRYPT_THEN_MAC) &&   \
-    !defined(MBEDTLS_SSL_PROTO_TLS1)   &&      \
-    !defined(MBEDTLS_SSL_PROTO_TLS1_1) &&      \
-    !defined(MBEDTLS_SSL_PROTO_TLS1_2)
-#error "MBEDTLS_SSL_ENCRYPT_THEN_MAC defined, but not all prerequsites"
-#endif
-
-#if defined(MBEDTLS_SSL_EXTENDED_MASTER_SECRET) && \
-    !defined(MBEDTLS_SSL_PROTO_TLS1)   &&          \
-    !defined(MBEDTLS_SSL_PROTO_TLS1_1) &&          \
-    !defined(MBEDTLS_SSL_PROTO_TLS1_2)
-#error "MBEDTLS_SSL_EXTENDED_MASTER_SECRET defined, but not all prerequsites"
-#endif
-
-#if defined(MBEDTLS_SSL_TICKET_C) && !defined(MBEDTLS_CIPHER_C)
-#error "MBEDTLS_SSL_TICKET_C defined, but not all prerequisites"
-#endif
-
-#if defined(MBEDTLS_SSL_CBC_RECORD_SPLITTING) && \
-    !defined(MBEDTLS_SSL_PROTO_SSL3) && !defined(MBEDTLS_SSL_PROTO_TLS1)
-#error "MBEDTLS_SSL_CBC_RECORD_SPLITTING defined, but not all prerequisites"
-#endif
-
-#if defined(MBEDTLS_SSL_SERVER_NAME_INDICATION) && \
-        !defined(MBEDTLS_X509_CRT_PARSE_C)
-#error "MBEDTLS_SSL_SERVER_NAME_INDICATION defined, but not all prerequisites"
-#endif
-
 #if defined(MBEDTLS_THREADING_PTHREAD)
 #if !defined(MBEDTLS_THREADING_C) || defined(MBEDTLS_THREADING_IMPL)
 #error "MBEDTLS_THREADING_PTHREAD defined, but not all prerequisites"