diff --git a/clang/unittests/AST/DeclTest.cpp b/clang/unittests/AST/DeclTest.cpp
index e095c4518ed6..f6aa7de08147 100644
--- a/clang/unittests/AST/DeclTest.cpp
+++ b/clang/unittests/AST/DeclTest.cpp
@@ -14,9 +14,10 @@
 #include "clang/AST/Mangle.h"
 #include "clang/ASTMatchers/ASTMatchFinder.h"
 #include "clang/Basic/LLVM.h"
+#include "clang/Basic/TargetInfo.h"
 #include "clang/Tooling/Tooling.h"
-#include "gtest/gtest.h"
 #include "llvm/IR/DataLayout.h"
+#include "gtest/gtest.h"
 
 using namespace clang::ast_matchers;
 using namespace clang::tooling;