diff --git a/quantum/db/model_base.py b/quantum/db/model_base.py
index d93d14867e..a04863a362 100644
--- a/quantum/db/model_base.py
+++ b/quantum/db/model_base.py
@@ -13,7 +13,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import sqlalchemy as sa
 from sqlalchemy.ext import declarative
 from sqlalchemy import orm