diff --git a/ext/lib/crypto/mbedtls/configs/config-tls-generic.h b/ext/lib/crypto/mbedtls/configs/config-tls-generic.h
index cecd9c47c0b..5a8e651e69e 100644
--- a/ext/lib/crypto/mbedtls/configs/config-tls-generic.h
+++ b/ext/lib/crypto/mbedtls/configs/config-tls-generic.h
@@ -15,12 +15,9 @@
 #define MBEDTLS_PLATFORM_C
 #define MBEDTLS_PLATFORM_MEMORY
 #define MBEDTLS_MEMORY_BUFFER_ALLOC_C
-#define MBEDTLS_PLATFORM_NO_STD_FUNCTIONS
 #define MBEDTLS_PLATFORM_EXIT_ALT
 #define MBEDTLS_NO_PLATFORM_ENTROPY
 #define MBEDTLS_NO_DEFAULT_ENTROPY_SOURCES
-#define MBEDTLS_PLATFORM_PRINTF_ALT
-#define MBEDTLS_PLATFORM_SNPRINTF_ALT
 
 #if defined(CONFIG_MBEDTLS_HAVE_ASM)
 #define MBEDTLS_HAVE_ASM