diff --git a/pkg/planner/util/coreusage/BUILD.bazel b/pkg/planner/util/coreusage/BUILD.bazel
index a85085832c0bf..205dd98fb1f25 100644
--- a/pkg/planner/util/coreusage/BUILD.bazel
+++ b/pkg/planner/util/coreusage/BUILD.bazel
@@ -3,8 +3,8 @@ load("@io_bazel_rules_go//go:def.bzl", "go_library")
 go_library(
     name = "coreusage",
     srcs = [
-        "costMisc.go",
-        "optTracer.go",
+        "cost_misc.go",
+        "opt_tracer.go",
     ],
     importpath = "github.com/pingcap/tidb/pkg/planner/util/coreusage",
     visibility = ["//visibility:public"],