1 files changed, 2 insertions, 5 deletions
diff --git a/include/clang/Lex/PTHManager.h b/include/clang/Lex/PTHManager.h
index 26178eddf36d..f4e4774429f9 100644
--- a/include/clang/Lex/PTHManager.h
+++ b/include/clang/Lex/PTHManager.h
@@ -14,15 +14,11 @@
 #ifndef LLVM_CLANG_LEX_PTHMANAGER_H
 #define LLVM_CLANG_LEX_PTHMANAGER_H
 
-#include "clang/Basic/Diagnostic.h"
 #include "clang/Basic/IdentifierTable.h"
-#include "clang/Basic/LangOptions.h"
-#include "clang/Lex/PTHLexer.h"
-#include "llvm/ADT/DenseMap.h"
+#include "clang/Basic/SourceLocation.h"
 #include "llvm/ADT/STLExtras.h"
 #include "llvm/Support/Allocator.h"
 #include "llvm/Support/OnDiskHashTable.h"
-#include <string>
 
 namespace llvm {
   class MemoryBuffer;
@@ -31,6 +27,7 @@ namespace llvm {
 namespace clang {
 
 class FileEntry;
+class Preprocessor;
 class PTHLexer;
 class DiagnosticsEngine;
 class FileSystemStatCache;