diff --git a/include/package.mk b/include/package.mk
index 8f751a1b12..95508bc5d8 100644
--- a/include/package.mk
+++ b/include/package.mk
@@ -331,8 +331,8 @@ define Build/Configure
 endef
 
 MAKE_VARS := \
-	CFLAGS="$(TARGET_CFLAGS) $(EXTRA_CPPFLAGS) " \
-	CXXFLAGS="$(TARGET_CFLAGS) $(EXTRA_CPPFLAGS) " \
+	CFLAGS="$(TARGET_CFLAGS)" \
+	CXXFLAGS="$(TARGET_CFLAGS) " \
 	LDFLAGS="$(EXTRA_LDFLAGS) "
 
 MAKE_FLAGS := \