diff --git a/trunk/paradiseo-moeo/src/diversity/moeoFrontByFrontSharingDiversityAssignment.h b/trunk/paradiseo-moeo/src/diversity/moeoFrontByFrontSharingDiversityAssignment.h
index 20291e19c..56b4cedca 100644
--- a/trunk/paradiseo-moeo/src/diversity/moeoFrontByFrontSharingDiversityAssignment.h
+++ b/trunk/paradiseo-moeo/src/diversity/moeoFrontByFrontSharingDiversityAssignment.h
@@ -89,7 +89,6 @@ class moeoFrontByFrontSharingDiversityAssignment : public moeoSharingDiversityAs
     using moeoSharingDiversityAssignment < MOEOT >::distance;
     using moeoSharingDiversityAssignment < MOEOT >::nicheSize;
     using moeoSharingDiversityAssignment < MOEOT >::sh;
-    using moeoSharingDiversityAssignment < MOEOT >::operator();
 
 
     /**