diff --git a/Source/CPack/cmCPackGenerator.cxx b/Source/CPack/cmCPackGenerator.cxx
index f7593faaa..b68be5b20 100644
--- a/Source/CPack/cmCPackGenerator.cxx
+++ b/Source/CPack/cmCPackGenerator.cxx
@@ -881,8 +881,7 @@ int cmCPackGenerator::DoPackage()
 }
 
 //----------------------------------------------------------------------
-int cmCPackGenerator::Initialize(const char* name, cmMakefile* mf,
- const char* argv0)
+int cmCPackGenerator::Initialize(const char* name, cmMakefile* mf)
 {
   this->MakefileMap = mf;
   this->Name = name;
diff --git a/Source/CPack/cmCPackGenerator.h b/Source/CPack/cmCPackGenerator.h
index 228116ac1..0a4bfa75d 100644
--- a/Source/CPack/cmCPackGenerator.h
+++ b/Source/CPack/cmCPackGenerator.h
@@ -73,7 +73,7 @@ public:
   /**
    * Initialize generator
    */
-  int Initialize(const char* name, cmMakefile* mf, const char* argv0);
+  int Initialize(const char* name, cmMakefile* mf);
 
   /**
    * Construct generator