diff --git a/src/core/contractors/codac2_CtcProj.h b/src/core/contractors/codac2_CtcProj.h
index 1515d10e..00dff8a3 100644
--- a/src/core/contractors/codac2_CtcProj.h
+++ b/src/core/contractors/codac2_CtcProj.h
@@ -35,7 +35,6 @@ namespace codac2
         assert_release(*min_element(_xi.begin(),_xi.end()) >= 0);
         assert_release(*max_element(_xi.begin(),_xi.end()) < size_of(c));
         assert_release(size_of(c) >= (Index)_xi.size() && "cannot compute a projection of a set into a superset");
-        assert_release(y.is_bisectable());
         assert_release(default_eps > 0.);
       }