diff --git a/crypto/mbedtls/Make.defs b/crypto/mbedtls/Make.defs
index 651c9acc51c..3cb722d5227 100644
--- a/crypto/mbedtls/Make.defs
+++ b/crypto/mbedtls/Make.defs
@@ -25,10 +25,8 @@ CONFIGURED_APPS += $(APPDIR)/crypto/mbedtls
 
 CFLAGS += ${INCDIR_PREFIX}$(APPDIR)/crypto/mbedtls/include
 CFLAGS += ${INCDIR_PREFIX}$(APPDIR)/crypto/mbedtls/mbedtls/include
-CFLAGS += ${DEFINE_PREFIX}MBEDTLS_CONFIG_FILE="<mbedtls/mbedtls_config.h>"
 
 CXXFLAGS += ${INCDIR_PREFIX}$(APPDIR)/crypto/mbedtls/include
 CXXFLAGS += ${INCDIR_PREFIX}$(APPDIR)/crypto/mbedtls/mbedtls/include
-CXXFLAGS += ${DEFINE_PREFIX}MBEDTLS_CONFIG_FILE="<mbedtls/mbedtls_config.h>"
 
 endif