diff --git a/pkg/ccn-lite/Makefile b/pkg/ccn-lite/Makefile
index 532a1979f5..04807bb4c4 100644
--- a/pkg/ccn-lite/Makefile
+++ b/pkg/ccn-lite/Makefile
@@ -5,7 +5,7 @@ PKG_LICENSE=ISC
 
 .PHONY: all
 
-export RIOT_CFLAGS = $(CFLAGS) $(INCLUDES)
+RIOT_CFLAGS = $(INCLUDES)
 
 TOOLCHAIN_FILE=$(PKG_BUILDDIR)/xcompile-toolchain.cmake