diff --git a/clang/lib/Lex/Preprocessor.cpp b/clang/lib/Lex/Preprocessor.cpp
index 6d08a36..370244b 100644
--- a/clang/lib/Lex/Preprocessor.cpp
+++ b/clang/lib/Lex/Preprocessor.cpp
@@ -112,6 +112,8 @@
   delete ScratchBuf;
 
   delete Callbacks;
+  
+  delete [] Predefines;
 }
 
 /// Diag - Forwarding function for diagnostics.  This emits a diagnostic at