1 files changed, 1 insertions, 3 deletions
diff --git a/src/sim/serialize.hh b/src/sim/serialize.hh
index 4c5e9d79c..1005d5b97 100644
--- a/src/sim/serialize.hh
+++ b/src/sim/serialize.hh
@@ -59,14 +59,12 @@
 #include <vector>
 
 #include "base/bitunion.hh"
-#include "base/types.hh"
 
+class CheckpointIn;
 class IniFile;
 class Serializable;
-class CheckpointIn;
 class SimObject;
 class SimObjectResolver;
-class EventQueue;
 
 typedef std::ostream CheckpointOut;