diff --git a/scripts/lib/ts-guard-utils.mjs b/scripts/lib/ts-guard-utils.mjs
index e9287792290..51e27150709 100644
--- a/scripts/lib/ts-guard-utils.mjs
+++ b/scripts/lib/ts-guard-utils.mjs
@@ -33,7 +33,7 @@ export function resolveSourceRoots(repoRoot, relativeRoots) {
   return relativeRoots.map((root) => path.join(repoRoot, ...root.split("/").filter(Boolean)));
 }
 
-export function isTestLikeTypeScriptFile(filePath, options = {}) {
+function isTestLikeTypeScriptFile(filePath, options = {}) {
   const extraTestSuffixes = options.extraTestSuffixes ?? [];
   return [...baseTestSuffixes, ...extraTestSuffixes].some((suffix) => filePath.endsWith(suffix));
 }
@@ -175,7 +175,7 @@ export function collectCallExpressionLines(ts, sourceFile, resolveLineNode) {
   return lines;
 }
 
-export function isDirectExecution(importMetaUrl) {
+function isDirectExecution(importMetaUrl) {
   const entry = process.argv[1];
   if (!entry) {
     return false;
diff --git a/scripts/lib/vitest-shard-timings.mjs b/scripts/lib/vitest-shard-timings.mjs
index e168a8cb72c..b94300fc87b 100644
--- a/scripts/lib/vitest-shard-timings.mjs
+++ b/scripts/lib/vitest-shard-timings.mjs
@@ -17,11 +17,11 @@ function hashIncludePatterns(includePatterns) {
   return createHash("sha1").update(JSON.stringify(includePatterns)).digest("hex").slice(0, 12);
 }
 
-export function shouldUseShardTimings(env = process.env) {
+function shouldUseShardTimings(env = process.env) {
   return env[TIMINGS_DISABLE_ENV_KEY] !== "0";
 }
 
-export function resolveShardTimingsPath(cwd = process.cwd(), env = process.env) {
+function resolveShardTimingsPath(cwd = process.cwd(), env = process.env) {
   return env[TIMINGS_FILE_ENV_KEY] || path.join(cwd, ".artifacts", "vitest-shard-timings.json");
 }