diff --git a/pkg/bench/bench_test.go b/pkg/bench/bench_test.go
index 827bcba863ab..0242f247a3bd 100644
--- a/pkg/bench/bench_test.go
+++ b/pkg/bench/bench_test.go
@@ -1443,7 +1443,8 @@ func BenchmarkFuncExprTypeCheck(b *testing.B) {
 	sqlDB.ExecMultiple(b,
 		`CREATE SCHEMA sc1`,
 		`CREATE SCHEMA sc2`,
-		`CREATE FUNCTION abs(val INT) RETURNS INT CALLED ON NULL INPUT LANGUAGE SQL AS $$ SELECT val $$`,
+		// TODO(chengxiong): uncomment this when #97400 is resolved.
+		//`CREATE FUNCTION abs(val INT) RETURNS INT CALLED ON NULL INPUT LANGUAGE SQL AS $$ SELECT val $$`,
 		`CREATE FUNCTION sc1.udf(val INT) RETURNS INT CALLED ON NULL INPUT LANGUAGE SQL AS $$ SELECT val $$`,
 		`CREATE FUNCTION sc1.udf(val STRING) RETURNS STRING LANGUAGE SQL AS $$ SELECT val $$`,
 		`CREATE FUNCTION sc1.udf(val FLOAT) RETURNS FLOAT LANGUAGE SQL AS $$ SELECT val $$`,
@@ -1487,10 +1488,11 @@ func BenchmarkFuncExprTypeCheck(b *testing.B) {
 			name:    "builtin aggregate not called on null",
 			exprStr: "concat_agg(NULL)",
 		},
-		{
-			name:    "udf same name as builtin",
-			exprStr: "abs(123)",
-		},
+		// TODO(chengxiong): uncomment this when #97400 is resolved.
+		//{
+		//	name:    "udf same name as builtin",
+		//	exprStr: "abs(123)",
+		//},
 		{
 			name:    "udf across different schemas",
 			exprStr: "udf(123)",