diff --git a/Source/cmCommandArgumentParserHelper.cxx b/Source/cmCommandArgumentParserHelper.cxx
index 2d66344efd..3df76897ca 100644
--- a/Source/cmCommandArgumentParserHelper.cxx
+++ b/Source/cmCommandArgumentParserHelper.cxx
@@ -6,7 +6,6 @@
 
 #include "cmCommandArgumentLexer.h"
 #include "cmMakefile.h"
-#include "cmState.h"
 #include "cmSystemTools.h"
 #include "cmake.h"