diff --git a/3rdparty/everest/library/everest.c b/3rdparty/everest/library/everest.c
index 82c4e03adb..fefc6a2ce4 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 ca94e0a168..872930f2ac 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 bc05c4a319..cfa69c2ad6 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 83c7c58a12..d874fff469 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 053dbb669f..f1adcb55f5 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 83daa0bcc6..9021a041bb 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 acf620f9a2..24b6abe634 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 8e89766a72..4471a4db7e 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 de2809372c..f2c11a582a 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 8c89b2cdf7..e1c96d612b 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 29d730ab53..24651a9a88 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 658f046901..f92e5074a7 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 dc75b2030a..9ae043b3b5 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 0bac4ee993..4de290a469 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 7da7d9d522..8e395b3014 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 8919c78a10..d55f9a4795 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 fa60d13f30..bdbf6dd11e 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 91d22b5d90..0576099ce8 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 1e95bdab03..c01388e712 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 dcdf83c7a5..c58e33155f 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 308c1af3ee..6cb70c022b 100644
--- a/library/ecjpake.c
+++ b/library/ecjpake.c
@@ -815,12 +815,7 @@ cleanup:
 
 #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 009be61fc5..ee6c24a466 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 08c5bd7d16..12184d6704 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 2ae57fdc09..2df9bbec9d 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 8b13a860f7..3c89f5749d 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 a387da50a9..8efcf105b4 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 a9bbcb488b..a01b6dd299 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 7c2360118a..820a1b66c2 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 d1700f3bbf..637b9f8d8e 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 1aea0b6345..6be6998dcf 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 4ecf621842..9a20a2782e 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 f2ee5ca35c..1e2e2c13dd 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 2d4f4f2218..5de8fa65f7 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 847496d184..ac5945a114 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 73d59a6bbe..9b6516511a 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 8b99340507..c198e6c322 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 7375a0c572..a2b223303d 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 a18350ee11..9dceaac6d4 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 db7786d6c7..3186a36855 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 b7c2e6b040..a35ac2494d 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 41d8387226..1c7e17ff36 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 e59755534f..df6d59c1bc 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 6fc9371231..4f65e23fd8 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 ac15ef8d1d..2e65e6fd85 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 be03ec3316..beb548acea 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 6505e11402..8405d2798f 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 dc50449631..591beb866a 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 e7453d5730..b4c645a164 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 8777833b9c..1c0cbe0c88 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 dbef29b3f9..5ceb145c97 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 359686afa3..e39563bc4f 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 af65e6d866..173ae25910 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 d1ec55cfcb..7b62e71a55 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 997f5848ea..66c61a3aa8 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 a10e59bbc1..ee0ffab199 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 aa3951799c..6fe0410a3f 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 0cd996dabb..2a3fac7900 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 af1e487dbf..c4f97bbe2b 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 25069b2a4c..dee0ea62d7 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 c4dd1b7c81..976f6e6df5 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 136e25ba41..476c20e226 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 f38a9769d2..6f49e79bea 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 cb8de8b71e..3ef0652636 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 45de57b46f..3619cb2165 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 9ada4eae12..2e696e574a 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 29563088ff..e6f53ed623 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 281a26b0d7..5dd6bddb40 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 c1c50702bb..1035bb2733 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 8779519b61..9e5329fb81 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 bd16b24b94..02a19e95a4 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 df1e502488..589bee9aed 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 eed8dfcfc6..4c34b99e7b 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 b09b6b8895..0d8388f2b8 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 3df11f7fde..5d45738dd3 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 7b5d8e1716..301edb875a 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 e82653b514..6b9645221f 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 c01a5cf633..783f3ca549 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 25a42d323d..777b22e791 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 67711bd660..7acda81394 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 1df9b13b19..f4deab029f 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 8078ab6246..0cbde02248 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 a8b1abb848..a3fa6d7d15 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 3a207785c4..7dcccda9fa 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 4deb92435d..f0ffea2ce5 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 0a9e2dd3bf..2a3dd54e83 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 e06d535eec..23a34e0498 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 9317449371..10d82ba87e 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 8f2fed82af..efcf650165 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 a80ff713c0..5025698a85 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 07b3e6fb59..49de984d8f 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 664a38490f..9fb65079e5 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 ac14789d39..b3ec7d6998 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 3b663726ce..c9d9df2efa 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 c368f573af..659b3ab2c8 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 1ae627d423..4105d2b351 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 9d5d3e4c73..48fb559f67 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 ff6ebf02e2..b1d005cd73 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 c0836046a3..ff61fcde01 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 5aa023348e..f37973cb2e 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 ab337a21ff..2d6103c31d 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 d6e55614f4..979b5515f4 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 cf6a56c6cf..7138fa8544 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 f91da1307c..66052fdabc 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 985b9704c3..00d563fc7d 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 7460bbf1c0..30b389ab4b 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 793982d5a8..c93ff1e986 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 aa353be0ae..28cb99e6ea 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 e07bed7211..b8b0ecdee5 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 24324ff3d6..dda14e1e36 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 c42d2ffefd..fc210b9084 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 59eb168976..b5d3eec952 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 93a3e11323..13c87fd597 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 8535b93077..695a2433ad 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 a620178f61..0af4ca9f82 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"