diff --git a/include/clang/Lex/PTHLexer.h b/include/clang/Lex/PTHLexer.h
index a1d41b5..0ae4ac7 100644
--- a/include/clang/Lex/PTHLexer.h
+++ b/include/clang/Lex/PTHLexer.h
@@ -25,9 +25,6 @@
   /// TokBuf - Buffer from PTH file containing raw token data.
   const char* TokBuf;
 
-  /// CurTokenIdx - This is the index of the next token that Lex will return.
-  unsigned CurTokenIdx;
-        
   PTHLexer(const PTHLexer&);  // DO NOT IMPLEMENT
   void operator=(const PTHLexer&); // DO NOT IMPLEMENT
   
@@ -86,7 +83,7 @@
   Token GetToken();
   
   /// AdvanceToken - Advances the PTHLexer to the next token.
-  void AdvanceToken() { ++CurTokenIdx; NeedsFetching = true; }
+  void AdvanceToken() { NeedsFetching = true; }
   
   bool LexEndOfFile(Token &Result);
 };
diff --git a/lib/Lex/PTHLexer.cpp b/lib/Lex/PTHLexer.cpp
index a92d578..ebbc968 100644
--- a/lib/Lex/PTHLexer.cpp
+++ b/lib/Lex/PTHLexer.cpp
@@ -28,7 +28,7 @@
 
 PTHLexer::PTHLexer(Preprocessor& pp, SourceLocation fileloc, const char* D,
                    PTHManager& PM)
-  : PreprocessorLexer(&pp, fileloc), TokBuf(D), CurTokenIdx(0), PTHMgr(PM), 
+  : PreprocessorLexer(&pp, fileloc), TokBuf(D), PTHMgr(PM), 
     NeedsFetching(true) {
     // Make sure the EofToken is completely clean.
     EofToken.startToken();