diff --git a/Source/cmGlobalNinjaGenerator.cxx b/Source/cmGlobalNinjaGenerator.cxx
index 5a31ab2b62..b33afffa65 100644
--- a/Source/cmGlobalNinjaGenerator.cxx
+++ b/Source/cmGlobalNinjaGenerator.cxx
@@ -436,8 +436,6 @@ cmGlobalNinjaGenerator::cmGlobalNinjaGenerator(cmake* cm)
 #ifdef _WIN32
   cm->GetState()->SetWindowsShell(true);
 #endif
-  // // Ninja is not ported to non-Unix OS yet.
-  // this->ForceUnixPaths = true;
   this->FindMakeProgramFile = "CMakeNinjaFindMake.cmake";
 }