diff --git a/elixir/apps/domain/priv/repo/migrations/20250509035642_remove_redundant_index_on_actor_group_memberships.exs b/elixir/apps/domain/priv/repo/migrations/20250509035642_remove_redundant_index_on_actor_group_memberships.exs
new file mode 100644
index 000000000..e553b1626
--- /dev/null
+++ b/elixir/apps/domain/priv/repo/migrations/20250509035642_remove_redundant_index_on_actor_group_memberships.exs
@@ -0,0 +1,12 @@
+defmodule Domain.Repo.Migrations.RemoveRedundantIndexOnActorGroupMemberships do
+  use Ecto.Migration
+  @disable_ddl_transaction true
+
+  def up do
+    execute("DROP INDEX CONCURRENTLY IF EXISTS actor_group_memberships_actor_id_index")
+  end
+
+  def down do
+    create(index("actor_group_memberships", [:actor_id], concurrently: true))
+  end
+end