diff --git a/priv/repo/migrations/20190722120237_drop_thread_visibility_function.exs b/priv/repo/migrations/20190722120237_drop_thread_visibility_function.exs
new file mode 100644
index 000000000..a085839fc
--- /dev/null
+++ b/priv/repo/migrations/20190722120237_drop_thread_visibility_function.exs
@@ -0,0 +1,8 @@
+defmodule Pleroma.Repo.Migrations.DropThreadVisibilityFunction do
+  use Ecto.Migration
+  @disable_ddl_transaction true
+
+  def change do
+    execute("drop function if exists thread_visibility(actor varchar, activity_id varchar)")
+  end
+end