diff --git a/Source/cmSystemTools.cxx b/Source/cmSystemTools.cxx
index 91c6df7f0..d90728836 100644
--- a/Source/cmSystemTools.cxx
+++ b/Source/cmSystemTools.cxx
@@ -1606,32 +1606,6 @@ std::string cmSystemTools::RelativePath(const char* local, const char* remote)
   return cmsys::SystemTools::RelativePath(local, remote);
 }
 
-class cmDeletingCharVector : public std::vector<char*>
-{
-public:
-  ~cmDeletingCharVector()
-    {
-      for(std::vector<char*>::iterator i = this->begin();
-          i != this->end(); ++i)
-        {
-        delete []*i;
-        }
-    }
-};
-
-        
-bool cmSystemTools::PutEnv(const char* value)
-{ 
-  static cmDeletingCharVector localEnvironment;
-  char* envVar = new char[strlen(value)+1];
-  strcpy(envVar, value);
-  int ret = putenv(envVar);
-  // save the pointer in the static vector so that it can
-  // be deleted on exit
-  localEnvironment.push_back(envVar);
-  return ret == 0;
-}
-
 #ifdef CMAKE_BUILD_WITH_CMAKE
 //----------------------------------------------------------------------
 bool cmSystemTools::UnsetEnv(const char* value)
diff --git a/Source/cmSystemTools.h b/Source/cmSystemTools.h
index 00b4873a7..097475971 100644
--- a/Source/cmSystemTools.h
+++ b/Source/cmSystemTools.h
@@ -337,10 +337,6 @@ public:
   */
   static std::string RelativePath(const char* local, const char* remote);
 
-  /** Put a string into the environment
-      of the form var=value */
-  static bool PutEnv(const char* value);
-
 #ifdef CMAKE_BUILD_WITH_CMAKE
   /** Remove an environment variable */
   static bool UnsetEnv(const char* value);
diff --git a/Source/kwsys/SystemTools.cxx b/Source/kwsys/SystemTools.cxx
index 2d90de2d7..45c496974 100644
--- a/Source/kwsys/SystemTools.cxx
+++ b/Source/kwsys/SystemTools.cxx
@@ -402,6 +402,33 @@ bool SystemTools::GetEnv(const char* key, kwsys_stl::string& result)
     }
 }
 
+class kwsysDeletingCharVector : public kwsys_stl::vector<char*>
+{
+public:
+  ~kwsysDeletingCharVector()
+    {
+      for(kwsys_stl::vector<char*>::iterator i = this->begin();
+          i != this->end(); ++i)
+        {
+        delete []*i;
+        }
+    }
+};
+
+        
+bool SystemTools::PutEnv(const char* value)
+{ 
+  static kwsysDeletingCharVector localEnvironment;
+  char* envVar = new char[strlen(value)+1];
+  strcpy(envVar, value);
+  int ret = putenv(envVar);
+  // save the pointer in the static vector so that it can
+  // be deleted on exit
+  localEnvironment.push_back(envVar);
+  return ret == 0;
+}
+
+
 const char* SystemTools::GetExecutableExtension()
 {
 #if defined(_WIN32) || defined(__CYGWIN__)
diff --git a/Source/kwsys/SystemTools.hxx.in b/Source/kwsys/SystemTools.hxx.in
index 31a876db8..8cba8102e 100644
--- a/Source/kwsys/SystemTools.hxx.in
+++ b/Source/kwsys/SystemTools.hxx.in
@@ -754,6 +754,10 @@ public:
   static const char* GetEnv(const char* key);
   static bool GetEnv(const char* key, kwsys_stl::string& result);
 
+  /** Put a string into the environment
+      of the form var=value */
+  static bool PutEnv(const char* value);
+
   /**
    * Get current working directory CWD
    */