diff --git a/Source/cmPolicies.cxx b/Source/cmPolicies.cxx
index 76990f0bd..54248768f 100644
--- a/Source/cmPolicies.cxx
+++ b/Source/cmPolicies.cxx
@@ -1,7 +1,6 @@
 #include "cmPolicies.h"
 #include "cmake.h"
 #include "cmMakefile.h"
-#include "cmSourceFile.h"
 #include "cmVersion.h"
 #include "cmVersionMacros.h"
 #include "cmAlgorithms.h"