diff --git a/package.json b/package.json
index 9b7af06..14581b9 100644
--- a/package.json
+++ b/package.json
@@ -18,7 +18,7 @@
     "react": "^15.0.2",
     "react-dom": "^15.0.2",
     "react-redux": "^4.4.5",
-    "react-router": "^3.0.0",
+    "react-router": "^3.0.0-alpha.3",
     "redux": "^3.5.2"
   },
   "devDependencies": {
diff --git a/src/components/App.js b/src/components/App.js
index 2d800b2..cb22c0c 100644
--- a/src/components/App.js
+++ b/src/components/App.js
@@ -11,10 +11,4 @@ const App = () => (
   </div>
 );
 
-App.propTypes = {
-  params: PropTypes.shape({
-    filter: PropTypes.string,
-  }),
-};
-
 export default App;