lib/mongoid/relations/referenced/many_to_many.rb in mongoid-2.2.3 vs lib/mongoid/relations/referenced/many_to_many.rb in mongoid-2.2.4

@@ -140,10 +140,12 @@
         # @example Nullify the relation.
         #   person.preferences.nullify
         #
         # @since 2.0.0.rc.1
         def nullify
-          criteria.pull(metadata.inverse_foreign_key, base.id)
+          unless metadata.forced_nil_inverse?
+            criteria.pull(metadata.inverse_foreign_key, base.id)
+          end
           if persistable?
             base.set(
               metadata.foreign_key,
               base.send(metadata.foreign_key).clear
             )