diff --git a/resources/sql/autopatches/20160825.ponder.sql b/resources/sql/autopatches/20160825.ponder.sql
new file mode 100644
--- /dev/null
+++ b/resources/sql/autopatches/20160825.ponder.sql
@@ -0,0 +1,7 @@
+/* Removes Ponder vote data. */
+
+DELETE FROM {$NAMESPACE}_ponder.edge
+  WHERE type IN (17, 18, 19, 20);
+
+DELETE FROM {$NAMESPACE}_user.edge
+  WHERE type IN (17, 18, 19, 20);