diff --git a/Driver/RewriteTest.cpp b/Driver/RewriteTest.cpp
index b78e776..773e1fb 100644
--- a/Driver/RewriteTest.cpp
+++ b/Driver/RewriteTest.cpp
@@ -376,7 +376,6 @@
 
 void RewriteTest::RewriteProtocolDecl(ObjcProtocolDecl *PDecl) {
   std::pair<const char*, const char*> MainBuf = SM->getBufferData(MainFileID);
-  const char *MainBufStart = MainBuf.first;
   
   SourceLocation LocStart = PDecl->getLocStart();