diff --git a/src/context/service/database/Device.py b/src/context/service/database/Device.py
index c4f2b3d95fad4b9e523f77ef9dbceab4b4f03b37..3aff20ade14532dcb7fbf8ec1033c084aaeead3c 100644
--- a/src/context/service/database/Device.py
+++ b/src/context/service/database/Device.py
@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import datetime, logging, json
+import datetime, logging
 from sqlalchemy.dialects.postgresql import insert
 from sqlalchemy.engine import Engine
 from sqlalchemy.orm import Session, selectinload, sessionmaker