diff --git a/Source/cmCustomCommandGenerator.cxx b/Source/cmCustomCommandGenerator.cxx
index 162d7a199b..d23f81520e 100644
--- a/Source/cmCustomCommandGenerator.cxx
+++ b/Source/cmCustomCommandGenerator.cxx
@@ -50,6 +50,35 @@ std::string cmCustomCommandGenerator::GetCommand(unsigned int c) const
   return this->GE->Parse(argv0)->Evaluate(this->Makefile, this->Config);
 }
 
+//----------------------------------------------------------------------------
+std::string escapeForShellOldStyle(const std::string& str)
+{
+  std::string result;
+#if defined(_WIN32) && !defined(__CYGWIN__)
+  // if there are spaces
+  std::string temp = str;
+  if (temp.find(" ") != std::string::npos &&
+      temp.find("\"")==std::string::npos)
+    {
+    result = "\"";
+    result += str;
+    result += "\"";
+    return result;
+    }
+  return str;
+#else
+  for(const char* ch = str.c_str(); *ch != '\0'; ++ch)
+    {
+    if(*ch == ' ')
+      {
+      result += '\\';
+      }
+    result += *ch;
+    }
+  return result;
+#endif
+}
+
 //----------------------------------------------------------------------------
 void
 cmCustomCommandGenerator
@@ -63,7 +92,7 @@ cmCustomCommandGenerator
     cmd += " ";
     if(this->OldStyle)
       {
-      cmd += this->LG->EscapeForShellOldStyle(arg);
+      cmd += escapeForShellOldStyle(arg);
       }
     else
       {
diff --git a/Source/cmLocalGenerator.cxx b/Source/cmLocalGenerator.cxx
index 88c88cd133..1c3114ea20 100644
--- a/Source/cmLocalGenerator.cxx
+++ b/Source/cmLocalGenerator.cxx
@@ -3391,35 +3391,6 @@ cmLocalGenerator
   return source.GetLanguage();
 }
 
-//----------------------------------------------------------------------------
-std::string cmLocalGenerator::EscapeForShellOldStyle(const std::string& str)
-{
-  std::string result;
-#if defined(_WIN32) && !defined(__CYGWIN__)
-  // if there are spaces
-  std::string temp = str;
-  if (temp.find(" ") != std::string::npos &&
-      temp.find("\"")==std::string::npos)
-    {
-    result = "\"";
-    result += str;
-    result += "\"";
-    return result;
-    }
-  return str;
-#else
-  for(const char* ch = str.c_str(); *ch != '\0'; ++ch)
-    {
-    if(*ch == ' ')
-      {
-      result += '\\';
-      }
-    result += *ch;
-    }
-  return result;
-#endif
-}
-
 //----------------------------------------------------------------------------
 static bool cmLocalGeneratorIsShellOperator(const std::string& str)
 {
diff --git a/Source/cmLocalGenerator.h b/Source/cmLocalGenerator.h
index 49ac9a6c3a..af333fd4ac 100644
--- a/Source/cmLocalGenerator.h
+++ b/Source/cmLocalGenerator.h
@@ -298,9 +298,6 @@ public:
                              bool forEcho = false,
                              bool useWatcomQuote = false);
 
-  /** Backwards-compatibility version of EscapeForShell.  */
-  std::string EscapeForShellOldStyle(const std::string& str);
-
   /** Escape the given string as an argument in a CMake script.  */
   static std::string EscapeForCMake(const std::string& str);