pyflakes

synapse/events/__init__.py

@@ -13,7 +13,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from synapse.util.frozenutils import freeze, unfreeze
+from synapse.util.frozenutils import freeze
 
 
 class _EventInternalMetadata(object):

synapse/storage/__init__.py

@@ -44,7 +44,6 @@ from syutil.jsonutil import encode_canonical_json
 from synapse.crypto.event_signing import compute_event_reference_hash
 
 
-import simplejson as json
 import logging
 import os