cursor_reaper.rb in mongo-2.9.0.rc0

- old
+ new

@@ -10,11 +10,9 @@
 # distributed under the License is distributed on an "AS IS" BASIS,
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-require 'set'
-
 module Mongo
 
   class Cluster
 
     # A manager that sends kill cursors operations at regular intervals to close