diff --git a/lib/Serialization/ASTReader.cpp b/lib/Serialization/ASTReader.cpp
index 10b01d8..37a23fa 100644
--- a/lib/Serialization/ASTReader.cpp
+++ b/lib/Serialization/ASTReader.cpp
@@ -5515,12 +5515,12 @@
   --NumCurrentElementsDeserializing;
 }
 
-ASTReader::ASTReader(Preprocessor &PP, ASTContext *Context,
+ASTReader::ASTReader(Preprocessor &PP, ASTContext &Context,
                      StringRef isysroot, bool DisableValidation,
                      bool DisableStatCache)
   : Listener(new PCHValidator(PP, *this)), DeserializationListener(0),
     SourceMgr(PP.getSourceManager()), FileMgr(PP.getFileManager()),
-    Diags(PP.getDiagnostics()), SemaObj(0), PP(&PP), Context(Context),
+    Diags(PP.getDiagnostics()), SemaObj(0), PP(&PP), Context(&Context),
     Consumer(0), ModuleMgr(FileMgr.getFileSystemOptions()),
     RelocatablePCH(false), isysroot(isysroot),
     DisableValidation(DisableValidation),
@@ -5537,26 +5537,6 @@
   SourceMgr.setExternalSLocEntrySource(this);
 }
 
-ASTReader::ASTReader(SourceManager &SourceMgr, FileManager &FileMgr,
-                     Diagnostic &Diags, StringRef isysroot,
-                     bool DisableValidation, bool DisableStatCache)
-  : DeserializationListener(0), SourceMgr(SourceMgr), FileMgr(FileMgr),
-    Diags(Diags), SemaObj(0), PP(0), Context(0),
-    Consumer(0), ModuleMgr(FileMgr.getFileSystemOptions()),
-    RelocatablePCH(false), isysroot(isysroot), 
-    DisableValidation(DisableValidation), DisableStatCache(DisableStatCache), 
-    NumStatHits(0), NumStatMisses(0), NumSLocEntriesRead(0), 
-    TotalNumSLocEntries(0), NumStatementsRead(0), 
-    TotalNumStatements(0), NumMacrosRead(0), TotalNumMacros(0), 
-    NumSelectorsRead(0), NumMethodPoolEntriesRead(0), NumMethodPoolMisses(0),
-    TotalNumMethodPoolEntries(0), NumLexicalDeclContextsRead(0),
-    TotalLexicalDeclContexts(0), NumVisibleDeclContextsRead(0),
-    TotalVisibleDeclContexts(0), TotalModulesSizeInBits(0),
-    NumCurrentElementsDeserializing(0), NumCXXBaseSpecifiersLoaded(0)
-{
-  SourceMgr.setExternalSLocEntrySource(this);
-}
-
 ASTReader::~ASTReader() {
   for (DeclContextVisibleUpdatesPending::iterator
            I = PendingVisibleUpdates.begin(),
diff --git a/lib/Serialization/ChainedIncludesSource.cpp b/lib/Serialization/ChainedIncludesSource.cpp
index e354054..04c3f81 100644
--- a/lib/Serialization/ChainedIncludesSource.cpp
+++ b/lib/Serialization/ChainedIncludesSource.cpp
@@ -32,7 +32,7 @@
                              ASTDeserializationListener *deserialListener = 0) {
   Preprocessor &PP = CI.getPreprocessor();
   llvm::OwningPtr<ASTReader> Reader;
-  Reader.reset(new ASTReader(PP, &CI.getASTContext(), /*isysroot=*/"",
+  Reader.reset(new ASTReader(PP, CI.getASTContext(), /*isysroot=*/"",
                              /*DisableValidation=*/true));
   for (unsigned ti = 0; ti < bufNames.size(); ++ti) {
     StringRef sr(bufNames[ti]);