Index: src/GenPoly/PolyMutator.h
===================================================================
--- src/GenPoly/PolyMutator.h	(revision 6b0b624129f6017f7706b516a24a52e382e3a334)
+++ src/GenPoly/PolyMutator.h	(revision 76c62b2f38518c820649b67ff26b4bbaea3060da)
@@ -16,13 +16,9 @@
 #pragma once
 
-#include <map>
-#include <string>
-#include <list>
+#include <list>               // for list
 
-#include "GenPoly.h"
-
-#include "SynTree/SynTree.h"
-#include "SynTree/Declaration.h"
-#include "SynTree/Mutator.h"
+#include "GenPoly.h"          // for TyVarMap
+#include "SynTree/Mutator.h"  // for Mutator
+#include "SynTree/SynTree.h"  // for Visitor Nodes
 
 namespace GenPoly {