diff --git a/lib/Basic/SourceManager.cpp b/lib/Basic/SourceManager.cpp
index bb20067..2c66781 100644
--- a/lib/Basic/SourceManager.cpp
+++ b/lib/Basic/SourceManager.cpp
@@ -1071,11 +1071,11 @@
     ContentCache::ReadToSourceManager(D,*M,&FMgr,Buf);
   }*/
     
-  { // Read: MemBufferInfos.
+  /*{ // FIXME Read: MemBufferInfos.
     llvm::Deserializer::Location BLoc = D.getCurrentBlockLocation();
     while (!D.FinishedBlock(BLoc))
     ContentCache::ReadToSourceManager(D,*M,NULL,Buf);
-  }
+    }*/
   
   // FIXME: Read SLocEntryTable.