diff --git a/migrations/versions/b060027b11b3_eventuser_building.py b/migrations/versions/b060027b11b3_eventuser_building.py
index f013c1f3..8f6a9ef6 100644
--- a/migrations/versions/b060027b11b3_eventuser_building.py
+++ b/migrations/versions/b060027b11b3_eventuser_building.py
@@ -37,14 +37,10 @@ def upgrade():
         ),
         sa.PrimaryKeyConstraint('id'),
     )
-    op.drop_constraint(op.f('lesson_group_id_fkey'), 'event', type_='foreignkey')
-    op.drop_column('event', 'group_id')
     # ### end Alembic commands ###
 
 
 def downgrade():
     # ### commands auto generated by Alembic - please adjust! ###
-    op.add_column('event', sa.Column('group_id', sa.INTEGER(), autoincrement=False, nullable=True))
-    op.create_foreign_key(op.f('lesson_group_id_fkey'), 'event', 'group', ['group_id'], ['id'])
     op.drop_table('event_user')
     # ### end Alembic commands ###