diff --git a/scripts/vite-retired-css-plugin.test.ts b/scripts/vite-retired-css-plugin.test.ts
index c20f8be19..0fd215089 100644
--- a/scripts/vite-retired-css-plugin.test.ts
+++ b/scripts/vite-retired-css-plugin.test.ts
@@ -221,6 +221,7 @@ describe('retired creation template module boundary plugin', () => {
       'src/persistence/storage.ts',
       'src/routing/activeAppRoutes.tsx',
       'src/services/apiClient.ts',
+      'src/services/gamePlayClientId.ts',
     ]) {
       expect(isRetiredFrontendModuleId(workspacePath(path))).toBe(false);
     }
@@ -271,6 +272,7 @@ describe('retired frontend ESLint boundary', () => {
       'src/persistence/storage.ts',
       'src/routing/activeAppRoutes.tsx',
       'src/services/apiClient.ts',
+      'src/services/gamePlayClientId.ts',
     ]) {
       await expect(eslint.isPathIgnored(path)).resolves.toBe(false);
     }
diff --git a/vite.config.ts b/vite.config.ts
index 142f05851..deaae8dd9 100644
--- a/vite.config.ts
+++ b/vite.config.ts
@@ -88,6 +88,7 @@ const ACTIVE_TOP_LEVEL_SOURCE_MODULES = new Map<string, ReadonlySet<string>>([
       'clipboard.ts',
       'frontendRuntimeConfigService.ts',
       'gameDistributionClient.ts',
+      'gamePlayClientId.ts',
       'sseStream.ts',
     ]),
   ],