diff --git a/packages/experiment-tag/test/experiment.test.ts b/packages/experiment-tag/test/experiment.test.ts
index 4838e52..71fec36 100644
--- a/packages/experiment-tag/test/experiment.test.ts
+++ b/packages/experiment-tag/test/experiment.test.ts
@@ -55,12 +55,11 @@ describe('initializeExperiment', () => {
   test('should initialize experiment with empty user', () => {
     initializeExperiment(stringify(apiKey), JSON.stringify([]));
     expect(ExperimentClient.prototype.setUser).toHaveBeenCalledWith({
-      device_id: 'mock',
       web_exp_id: 'mock',
     });
     expect(mockGlobal.localStorage.setItem).toHaveBeenCalledWith(
       'EXP_1',
-      JSON.stringify({ device_id: 'mock', web_exp_id: 'mock' }),
+      JSON.stringify({ web_exp_id: 'mock' }),
     );
   });