diff --git a/include/mbedtls/config.h b/include/mbedtls/config.h
index fb86d0b7ec29ba70b25f1e57dec9ce034c6d452c..5737bb2d90dc6bf80356c7b7eff8034f15f55f6b 100755
--- a/include/mbedtls/config.h
+++ b/include/mbedtls/config.h
@@ -153,7 +153,7 @@
  * mbedtls_platform_gmtime_r() at compile-time by using the macro
  * MBEDTLS_PLATFORM_GMTIME_R_ALT.
  */
-#define MBEDTLS_HAVE_TIME_DATE
+// #define MBEDTLS_HAVE_TIME_DATE
 
 /**
  * \def MBEDTLS_PLATFORM_MEMORY
@@ -177,7 +177,7 @@
  *
  * Enable this layer to allow use of alternative memory allocators.
  */
-#define MBEDTLS_PLATFORM_MEMORY
+// #define MBEDTLS_PLATFORM_MEMORY
 
 /**
  * \def MBEDTLS_PLATFORM_NO_STD_FUNCTIONS
@@ -196,7 +196,7 @@
  * Uncomment to prevent default assignment of standard functions in the
  * platform layer.
  */
-#define MBEDTLS_PLATFORM_NO_STD_FUNCTIONS
+// #define MBEDTLS_PLATFORM_NO_STD_FUNCTIONS
 
 /**
  * \def MBEDTLS_PLATFORM_EXIT_ALT