diff --git a/extension/src/app/reducers/panel/index.js b/extension/src/app/reducers/panel/index.js
index 106f72b7..2ab69575 100644
--- a/extension/src/app/reducers/panel/index.js
+++ b/extension/src/app/reducers/panel/index.js
@@ -2,13 +2,11 @@ import { combineReducers } from 'redux';
 import instances from '@redux-devtools/app/lib/reducers/instances';
 import monitor from '@redux-devtools/app/lib/reducers/monitor';
 import notification from '@redux-devtools/app/lib/reducers/notification';
-import test from '@redux-devtools/app/lib/reducers/test';
 import reports from '@redux-devtools/app/lib/reducers/reports';
 
 const rootReducer = combineReducers({
   instances,
   monitor,
-  test,
   reports,
   notification,
 });
diff --git a/extension/src/app/reducers/window/index.js b/extension/src/app/reducers/window/index.js
index 759b4856..71c43f8b 100644
--- a/extension/src/app/reducers/window/index.js
+++ b/extension/src/app/reducers/window/index.js
@@ -4,12 +4,10 @@ import monitor from '@redux-devtools/app/lib/reducers/monitor';
 import notification from '@redux-devtools/app/lib/reducers/notification';
 import socket from '@redux-devtools/app/lib/reducers/socket';
 import reports from '@redux-devtools/app/lib/reducers/reports';
-import test from '@redux-devtools/app/lib/reducers/test';
 
 const rootReducer = combineReducers({
   instances,
   monitor,
-  test,
   socket,
   reports,
   notification,
diff --git a/extension/test/setup.js b/extension/test/setup.js
index a980a80a..5d1e0f2a 100644
--- a/extension/test/setup.js
+++ b/extension/test/setup.js
@@ -1,6 +1,6 @@
 require('@babel/polyfill');
 global.chrome = require('sinon-chrome');
 import Enzyme from 'enzyme';
-import Adapter from 'enzyme-adapter-react-15.4';
+import Adapter from 'enzyme-adapter-react-16';
 
 Enzyme.configure({ adapter: new Adapter() });