--- a/src/core/model/object.cc	Sat Jan 17 09:01:26 2015 +0100
+++ b/src/core/model/object.cc	Fri Jan 16 11:55:23 2015 -0800
@@ -22,7 +22,6 @@
 #include "object.h"
 #include "object-factory.h"
 #include "assert.h"
-#include "singleton.h"
 #include "attribute.h"
 #include "log.h"
 #include "string.h"