diff --git a/monasca_events_api/common/repositories/mysql/streams_repository.py b/monasca_events_api/common/repositories/mysql/streams_repository.py
index 7d1f835..836bcd9 100644
--- a/monasca_events_api/common/repositories/mysql/streams_repository.py
+++ b/monasca_events_api/common/repositories/mysql/streams_repository.py
@@ -12,7 +12,6 @@
 # License for the specific language governing permissions and limitations
 # under the License.
 
-import json
 import uuid
 
 import MySQLdb