diff --git a/core/clang/config.mk b/core/clang/config.mk
index c2a0bf4..72e687c 100644
--- a/core/clang/config.mk
+++ b/core/clang/config.mk
@@ -145,7 +145,6 @@
   device/huawei/angler/ \
   device/lge/bullhead/ \
   external/gentoo/integration/ \
-  external/valgrind/ \
   hardware/qcom/ \
   $(INTERNAL_LOCAL_CLANG_EXCEPTION_PROJECTS)