diff --git a/Source/cmLocalUnixMakefileGenerator3.cxx b/Source/cmLocalUnixMakefileGenerator3.cxx
index f1fd806f98..5c9768acaf 100644
--- a/Source/cmLocalUnixMakefileGenerator3.cxx
+++ b/Source/cmLocalUnixMakefileGenerator3.cxx
@@ -1840,7 +1840,6 @@ void cmLocalUnixMakefileGenerator3
   std::vector<std::string> commands;
 
   // Write the all rule.
-  std::string dir;
   std::string recursiveTarget = this->Makefile->GetCurrentBinaryDirectory();
   recursiveTarget += "/all";