2 files changed, 1 insertions, 1 deletions
diff --git a/clang/include/clang/AST/DeclContextInternals.h b/clang/include/clang/AST/DeclContextInternals.h
index 0aa50a1f98f..74e83f17e65 100644
--- a/clang/include/clang/AST/DeclContextInternals.h
+++ b/clang/include/clang/AST/DeclContextInternals.h
@@ -19,6 +19,7 @@
 #include "llvm/ADT/DenseMap.h"
 #include "llvm/ADT/PointerUnion.h"
 #include "llvm/ADT/SmallVector.h"
+#include <functional>
 
 namespace clang {
 
diff --git a/clang/lib/AST/DeclBase.cpp b/clang/lib/AST/DeclBase.cpp
index f098496f23d..45c5494d4cb 100644
--- a/clang/lib/AST/DeclBase.cpp
+++ b/clang/lib/AST/DeclBase.cpp
@@ -23,7 +23,6 @@
 #include "llvm/Support/raw_ostream.h"
 #include <algorithm>
 #include <cstdio>
-#include <functional>
 #include <vector>
 using namespace clang;