diff --git a/test/index.test.ts b/test/index.test.ts
index d6de9b4..d71674f 100644
--- a/test/index.test.ts
+++ b/test/index.test.ts
@@ -1,8 +1,6 @@
 import { AnyAction } from 'redux';
 import { createDuck } from '../src';
 
-type CountState = { count: number };
-
 describe('Redux Duck', () => {
   describe('Define Type', () => {
     test('Without App Name', () => {
@@ -77,7 +75,7 @@ describe('Redux Duck', () => {
     const type = duck.defineType('action-name');
     const action = duck.createAction(type);
 
-    const reducer = duck.createReducer<CountState>(
+    const reducer = duck.createReducer(
       {
         [type]: state => {
           return {
diff --git a/test/types.test.ts b/test/types.test.ts
index be986e4..692fc4f 100644
--- a/test/types.test.ts
+++ b/test/types.test.ts
@@ -128,7 +128,7 @@ const alfredExports = {
 };
 
 describe('Redux Duck', () => {
-  describe('Type Definitions', () => {
+  test('Type Definitions', () => {
     expect(winnieExports).toBeDefined();
     expect(alfredExports).toBeDefined();
   });