diff --git a/clang/lib/Frontend/ASTUnit.cpp b/clang/lib/Frontend/ASTUnit.cpp
index 741698708686..009b200472b8 100644
--- a/clang/lib/Frontend/ASTUnit.cpp
+++ b/clang/lib/Frontend/ASTUnit.cpp
@@ -51,7 +51,6 @@
 using namespace clang;
 
 using llvm::TimeRecord;
-using llvm::make_unique;
 
 namespace {
   class SimpleTimer {