diff --git a/crates/sui-indexer/migrations/pg/2023-10-24-160139_query_cost_function/down.sql b/crates/sui-indexer/migrations/pg/2023-10-24-160139_query_cost_function/down.sql
deleted file mode 100644
index 742f7001fc58fe..00000000000000
--- a/crates/sui-indexer/migrations/pg/2023-10-24-160139_query_cost_function/down.sql
+++ /dev/null
@@ -1,2 +0,0 @@
--- This file should undo anything in `up.sql`
-DROP FUNCTION IF EXISTS query_cost(TEXT);
diff --git a/crates/sui-indexer/migrations/pg/2023-10-24-160139_query_cost_function/up.sql b/crates/sui-indexer/migrations/pg/2023-10-24-160139_query_cost_function/up.sql
deleted file mode 100644
index 7296c688baa7f6..00000000000000
--- a/crates/sui-indexer/migrations/pg/2023-10-24-160139_query_cost_function/up.sql
+++ /dev/null
@@ -1,15 +0,0 @@
--- Your SQL goes here
-CREATE OR REPLACE FUNCTION query_cost(
-    query_in text,
-    cost OUT float8
- ) RETURNS float8  AS
-$$DECLARE
- p json;
-BEGIN
-    /* get execution plan in JSON */
-    EXECUTE 'EXPLAIN (FORMAT JSON) ' || query_in INTO p;
-    /* extract total cost */
-    SELECT p->0->'Plan'->>'Total Cost'
-        INTO cost;
-    RETURN;
-END;$$ LANGUAGE plpgsql STRICT;