diff --git a/db/post_migrate/20170830084744_destroy_gpg_signatures.rb b/db/post_migrate/20170830084744_destroy_gpg_signatures.rb
new file mode 100644
index 00000000000..de2e7e79e86
--- /dev/null
+++ b/db/post_migrate/20170830084744_destroy_gpg_signatures.rb
@@ -0,0 +1,21 @@
+class DestroyGpgSignatures < ActiveRecord::Migration
+  DOWNTIME = false
+
+  include Gitlab::Database::MigrationHelpers
+  disable_ddl_transaction!
+
+  class GpgSignature < ActiveRecord::Base
+    self.table_name = 'gpg_signatures'
+
+    include EachBatch
+  end
+
+  def up
+    GpgSignature.each_batch do |relation|
+      relation.delete_all
+    end
+  end
+
+  def down
+  end
+end
diff --git a/db/post_migrate/20170830084744_update_gpg_signatures_verification_status.rb b/db/post_migrate/20170830084744_update_gpg_signatures_verification_status.rb
deleted file mode 100644
index 16337b83992..00000000000
--- a/db/post_migrate/20170830084744_update_gpg_signatures_verification_status.rb
+++ /dev/null
@@ -1,14 +0,0 @@
-class UpdateGpgSignaturesVerificationStatus < ActiveRecord::Migration
-  DOWNTIME = false
-
-  def up
-    GpgSignature.where(verification_status: nil).find_each do |gpg_signature|
-      gpg_signature.gpg_commit.update_signature!(gpg_signature)
-    end
-  end
-
-  def down
-    # we can't revert setting the verification_status, but actually we don't
-    # need to really, as setting this is not a harmful change.
-  end
-end