diff --git a/src/test/testing/testController/pytest/pytestDiscoveryAdapter.unit.test.ts b/src/test/testing/testController/pytest/pytestDiscoveryAdapter.unit.test.ts
index 890756e9e626..f365c3e7244a 100644
--- a/src/test/testing/testController/pytest/pytestDiscoveryAdapter.unit.test.ts
+++ b/src/test/testing/testController/pytest/pytestDiscoveryAdapter.unit.test.ts
@@ -20,7 +20,6 @@ import { EXTENSION_ROOT_DIR } from '../../../../client/constants';
 import { MockChildProcess } from '../../../mocks/mockChildProcess';
 import { Deferred, createDeferred } from '../../../../client/common/utils/async';
 import * as util from '../../../../client/testing/testController/common/utils';
-import { IInterpreterService } from '../../../../client/interpreter/contracts';
 
 suite('pytest test discovery adapter', () => {
     let configService: IConfigurationService;
@@ -72,7 +71,6 @@ suite('pytest test discovery adapter', () => {
         execService = typeMoq.Mock.ofType<IPythonExecutionService>();
         execService.setup((p) => ((p as unknown) as any).then).returns(() => undefined);
         outputChannel = typeMoq.Mock.ofType<ITestOutputChannel>();
-        interpreterService = typeMoq.Mock.ofType<IInterpreterService>();
         const output = new Observable<Output<string>>(() => {
             /* no op */
         });