diff --git a/src/plugins/cpptools/headerpathfilter.cpp b/src/plugins/cpptools/headerpathfilter.cpp
index a830d3c3..80e2f933 100644
--- a/src/plugins/cpptools/headerpathfilter.cpp
+++ b/src/plugins/cpptools/headerpathfilter.cpp
@@ -157,7 +157,6 @@ void removeClangSystemHeaderPaths(HeaderPaths &headerPaths)
 
 void HeaderPathFilter::tweakHeaderPaths()
 {
-    removeClangSystemHeaderPaths(builtInHeaderPaths);
     removeGccInternalIncludePaths();
 
     auto split = resourceIterator(builtInHeaderPaths);