1 files changed, 6 insertions, 8 deletions
diff --git a/Source/cmGeneratorExpression.h b/Source/cmGeneratorExpression.h
index 75e69b4bc2..24233b308f 100644
--- a/Source/cmGeneratorExpression.h
+++ b/Source/cmGeneratorExpression.h
@@ -15,22 +15,20 @@
 
 #include <cmConfigure.h>
 
-#include "cmStandardIncludes.h"
-
 #include "cmListFileCache.h"
 
 #include <cm_auto_ptr.hxx>
-#include <cmsys/RegularExpression.hxx>
+#include <map>
+#include <set>
+#include <string>
+#include <vector>
 
+class cmCompiledGeneratorExpression;
 class cmGeneratorTarget;
 class cmLocalGenerator;
-class cmListFileBacktrace;
-
-struct cmGeneratorExpressionEvaluator;
 struct cmGeneratorExpressionContext;
 struct cmGeneratorExpressionDAGChecker;
-
-class cmCompiledGeneratorExpression;
+struct cmGeneratorExpressionEvaluator;
 
 /** \class cmGeneratorExpression
  * \brief Evaluate generate-time query expression syntax.