diff --git a/airflow/migrations/versions/587bdf053233_adding_index_for_dag_id_in_job.py b/airflow/migrations/versions/587bdf053233_adding_index_for_dag_id_in_job.py
index 4fb4d98da7727..3532fe9e8df14 100644
--- a/airflow/migrations/versions/587bdf053233_adding_index_for_dag_id_in_job.py
+++ b/airflow/migrations/versions/587bdf053233_adding_index_for_dag_id_in_job.py
@@ -19,18 +19,16 @@
 """adding index for dag_id in job
 
 Revision ID: 587bdf053233
-Revises: 5e3ec427fdd3
+Revises: f9da662e7089
 Create Date: 2021-12-14 10:20:12.482940
 
 """
 
-import sqlalchemy as sa
 from alembic import op
 
-
 # revision identifiers, used by Alembic.
 revision = '587bdf053233'
-down_revision = '5e3ec427fdd3'
+down_revision = 'f9da662e7089'
 branch_labels = None
 depends_on = None