diff --git a/chord_drs/migrations/versions/5e982af5cde4_remove_bundles.py b/chord_drs/migrations/versions/5e982af5cde4_remove_bundles.py
index 6639388..6c5ee45 100644
--- a/chord_drs/migrations/versions/5e982af5cde4_remove_bundles.py
+++ b/chord_drs/migrations/versions/5e982af5cde4_remove_bundles.py
@@ -21,7 +21,6 @@ def upgrade():
     # ### commands auto generated by Alembic - please adjust! ###
 
     with op.batch_alter_table("drs_object", schema=None) as batch_op:
-        batch_op.drop_constraint(None, type_="foreignkey")
         batch_op.drop_column("bundle_id")
 
     op.drop_table("drs_bundle")