diff --git a/scripts/lib/local-heavy-check-runtime.mjs b/scripts/lib/local-heavy-check-runtime.mjs
index ebf90e3a10a..ddc8f0e5ebf 100644
--- a/scripts/lib/local-heavy-check-runtime.mjs
+++ b/scripts/lib/local-heavy-check-runtime.mjs
@@ -20,7 +20,7 @@ export function isLocalCheckEnabled(env) {
   return raw !== "0" && raw !== "false";
 }
 
-export function isCiLikeEnv(env = process.env) {
+function isCiLikeEnv(env = process.env) {
   return env.CI === "true" || env.GITHUB_ACTIONS === "true";
 }
 
@@ -35,7 +35,7 @@ export function resolveLocalHeavyCheckEnv(env = process.env) {
   };
 }
 
-export function hasFlag(args, name) {
+function hasFlag(args, name) {
   return args.some((arg) => arg === name || arg.startsWith(`${name}=`));
 }
 
@@ -161,7 +161,7 @@ export function shouldAcquireLocalHeavyCheckLockForTsgo(args, env = process.env)
   );
 }
 
-export function shouldThrottleLocalHeavyChecks(env, hostResources, defaultMode = "throttled") {
+function shouldThrottleLocalHeavyChecks(env, hostResources, defaultMode = "throttled") {
   if (!isLocalCheckEnabled(env)) {
     return false;
   }
@@ -273,7 +273,7 @@ export function acquireLocalHeavyCheckLockSync(params) {
   }
 }
 
-export function resolveGitCommonDir(cwd) {
+function resolveGitCommonDir(cwd) {
   const result = spawnSync("git", ["rev-parse", "--git-common-dir"], {
     cwd,
     encoding: "utf8",