diff --git a/Source/cmMakefile.h b/Source/cmMakefile.h
index e18a4a712..7c2085a0c 100644
--- a/Source/cmMakefile.h
+++ b/Source/cmMakefile.h
@@ -981,9 +981,8 @@ protected:
   // directories.
   std::set<std::string> SystemIncludeDirectories;
 
-  std::vector<std::string> ListFiles; // list of command files loaded
-  std::vector<std::string> OutputFiles; // list of command files loaded
-
+  std::vector<std::string> ListFiles;
+  std::vector<std::string> OutputFiles;
 
   cmTarget::LinkLibraryVectorType LinkLibraries;