diff --git a/alembic/versions/6172ac7b8b26_new_task_order_table.py b/alembic/versions/6172ac7b8b26_new_task_order_table.py
index d3346f14..8f91da11 100644
--- a/alembic/versions/6172ac7b8b26_new_task_order_table.py
+++ b/alembic/versions/6172ac7b8b26_new_task_order_table.py
@@ -66,6 +66,11 @@ def upgrade():
 
 def downgrade():
     # ### commands auto generated by Alembic - please adjust! ###
+    conn = op.get_bind()
+    conn.execute("DELETE FROM workspace_roles wr USING workspaces w WHERE w.id=wr.workspace_id AND w.request_id IS NULL")
+    conn.execute("DELETE FROM audit_events ae USING workspaces w WHERE w.id=ae.workspace_id AND w.request_id IS NULL")
+    conn.execute("DELETE FROM task_orders tasks USING workspaces w WHERE w.id=tasks.workspace_id AND w.request_id IS NULL")
+    conn.execute("DELETE FROM workspaces WHERE request_id IS NULL")
     op.alter_column('workspaces', 'request_id',
                existing_type=postgresql.UUID(),
                nullable=False)