diff --git a/Pal/lib/Makefile b/Pal/lib/Makefile
index 798fb99b..016065ad 100644
--- a/Pal/lib/Makefile
+++ b/Pal/lib/Makefile
@@ -65,6 +65,7 @@ crypto/mbedtls/CMakeLists.txt: crypto/$(MBEDTLS_SRC)
 	mv crypto/mbedtls-mbedtls-$(MBEDTLS_VERSION) crypto/mbedtls
 	mkdir crypto/mbedtls/install
 	cd crypto/mbedtls && ./scripts/config.pl set MBEDTLS_CMAC_C && make DESTDIR=install install .
+	$(RM) crypto/mbedtls/include/mbedtls/config.h
 
 crypto/mbedtls/include/mbedtls/config.h: crypto/config.h crypto/mbedtls/CMakeLists.txt
 	cp crypto/config.h crypto/mbedtls/include/mbedtls