diff --git a/pkg/coredata/migrations/20260311T164306Z.sql b/pkg/coredata/migrations/20260311T164306Z.sql
new file mode 100644
index 000000000..6acc8599f
--- /dev/null
+++ b/pkg/coredata/migrations/20260311T164306Z.sql
@@ -0,0 +1,44 @@
+ALTER TABLE
+    assets DROP COLUMN owner_id;
+
+ALTER TABLE
+    continual_improvements DROP COLUMN owner_id;
+
+ALTER TABLE
+    data DROP COLUMN owner_id;
+
+ALTER TABLE
+    document_versions DROP COLUMN owner_id;
+
+ALTER TABLE
+    meeting_attendees DROP COLUMN attendee_id;
+
+ALTER TABLE
+    nonconformities DROP COLUMN owner_id;
+
+ALTER TABLE
+    obligations DROP COLUMN owner_id;
+
+ALTER TABLE
+    documents DROP COLUMN owner_id;
+
+ALTER TABLE
+    document_version_signatures DROP COLUMN signed_by;
+
+ALTER TABLE
+    processing_activities DROP COLUMN data_protection_officer_id;
+
+ALTER TABLE
+    risks DROP COLUMN owner_id;
+
+ALTER TABLE
+    states_of_applicability DROP COLUMN owner_id;
+
+ALTER TABLE
+    tasks DROP COLUMN assigned_to;
+
+ALTER TABLE
+    vendors DROP COLUMN business_owner_id,
+    DROP COLUMN security_owner_id;
+
+DROP TABLE peoples;