diff --git a/module.cpp b/module.cpp
index a8f521d8..25db0fed 100644
--- a/module.cpp
+++ b/module.cpp
@@ -2168,11 +2168,13 @@ Module::execPreprocessor(const char *infilename, llvm::raw_string_ostream *ostre
     {
       opts.addMacroDef("__NVPTX__");
       opts.addMacroDef("programIndex=__programIndex()");
+#if 1
       opts.addMacroDef("cif=if");
       opts.addMacroDef("cfor=for");
       opts.addMacroDef("cwhile=while");
       opts.addMacroDef("ccontinue=continue");
       opts.addMacroDef("cdo=do");
+#endif
       opts.addMacroDef("taskIndex0=__taskIndex0()");
       opts.addMacroDef("taskIndex1=__taskIndex1()");
       opts.addMacroDef("taskIndex2=__taskIndex2()");