diff --git a/packages/CLPBN/horus/WeightedBp.h b/packages/CLPBN/horus/WeightedBp.h
index 49c740fec..e01e5d01f 100644
--- a/packages/CLPBN/horus/WeightedBp.h
+++ b/packages/CLPBN/horus/WeightedBp.h
@@ -1,8 +1,6 @@
 #ifndef YAP_PACKAGES_CLPBN_HORUS_WEIGHTEDBP_H_
 #define YAP_PACKAGES_CLPBN_HORUS_WEIGHTEDBP_H_
 
-#include <vector>
-
 #include "BeliefProp.h"