diff --git a/Source/cmGlobalCodeWarriorGenerator.cxx b/Source/cmGlobalCodeWarriorGenerator.cxx
index 1a5f7ff77..ba7245f3b 100644
--- a/Source/cmGlobalCodeWarriorGenerator.cxx
+++ b/Source/cmGlobalCodeWarriorGenerator.cxx
@@ -20,7 +20,7 @@
 #include "cmake.h"
 #include "cmTarget.h"
 
-void cmGlobalCodeWarriorGenerator::EnableLanguage(std::vector<std::string>const& l,
+void cmGlobalCodeWarriorGenerator::EnableLanguage(std::vector<std::string>const& ,
                                                   cmMakefile *mf)
 {
   // now load the settings