diff --git a/Source/cmGlobalNMakeMakefileGenerator.cxx b/Source/cmGlobalNMakeMakefileGenerator.cxx
index 5aa7314614..a5560b42ca 100644
--- a/Source/cmGlobalNMakeMakefileGenerator.cxx
+++ b/Source/cmGlobalNMakeMakefileGenerator.cxx
@@ -18,7 +18,7 @@
 #include "cmLocalNMakeMakefileGenerator.h"
 #include "cmMakefile.h"
 
-void cmGlobalNMakeMakefileGenerator::EnableLanguage(const char* lang,
+void cmGlobalNMakeMakefileGenerator::EnableLanguage(const char*,
                                                     cmMakefile *mf)
 {
   // now load the settings
diff --git a/Source/cmGlobalVisualStudio6Generator.cxx b/Source/cmGlobalVisualStudio6Generator.cxx
index 8000c6a3c6..4c91f555bf 100644
--- a/Source/cmGlobalVisualStudio6Generator.cxx
+++ b/Source/cmGlobalVisualStudio6Generator.cxx
@@ -19,7 +19,7 @@
 #include "cmMakefile.h"
 #include "cmake.h"
 
-void cmGlobalVisualStudio6Generator::EnableLanguage(const char* lang, 
+void cmGlobalVisualStudio6Generator::EnableLanguage(const char*, 
                                                     cmMakefile *mf)
 {
   if (!m_LanguagesEnabled)
diff --git a/Source/cmGlobalVisualStudio7Generator.cxx b/Source/cmGlobalVisualStudio7Generator.cxx
index b23fde85e0..57be2fac1c 100644
--- a/Source/cmGlobalVisualStudio7Generator.cxx
+++ b/Source/cmGlobalVisualStudio7Generator.cxx
@@ -20,8 +20,8 @@
 #include "cmake.h"
 #include "windows.h"
 
-void cmGlobalVisualStudio7Generator::EnableLanguage(const char* lang, 
-                                                   cmMakefile *mf)
+void cmGlobalVisualStudio7Generator::EnableLanguage(const char*, 
+                                                    cmMakefile *mf)
 {
   if (!m_LanguagesEnabled)
     {
diff --git a/Source/cmLocalVisualStudio6Generator.cxx b/Source/cmLocalVisualStudio6Generator.cxx
index dad9798ef4..4add495f02 100644
--- a/Source/cmLocalVisualStudio6Generator.cxx
+++ b/Source/cmLocalVisualStudio6Generator.cxx
@@ -30,7 +30,7 @@ cmLocalVisualStudio6Generator::~cmLocalVisualStudio6Generator()
 }
 
 
-void cmLocalVisualStudio6Generator::Generate(bool fromTheTop)
+void cmLocalVisualStudio6Generator::Generate(bool /* fromTheTop */)
 {
   // this is misnammed right now, it doesn't really generate the makefile but
   // instead sets up the Makefile for generation
diff --git a/Source/cmLocalVisualStudio7Generator.cxx b/Source/cmLocalVisualStudio7Generator.cxx
index 95e2234279..60fe44e88e 100644
--- a/Source/cmLocalVisualStudio7Generator.cxx
+++ b/Source/cmLocalVisualStudio7Generator.cxx
@@ -30,7 +30,7 @@ cmLocalVisualStudio7Generator::~cmLocalVisualStudio7Generator()
 }
 
 
-void cmLocalVisualStudio7Generator::Generate(bool fromTheTop)
+void cmLocalVisualStudio7Generator::Generate(bool /* fromTheTop */)
 {
   // this is misnammed right now, it doesn't really generate the makefile but
   // instead sets up the Makefile for generation
diff --git a/Source/cmake.cxx b/Source/cmake.cxx
index 2b9864a59c..0b12ce53be 100644
--- a/Source/cmake.cxx
+++ b/Source/cmake.cxx
@@ -109,7 +109,7 @@ void cmake::ReadListFile(const char *path)
 {
   // if a generator was not yet created, temporarily create one
   cmGlobalGenerator *gg = this->GetGlobalGenerator();
-  bool created;
+  bool created = false;
   
   // if a generator was not specified use a generic one
   if (!gg)