diff --git a/package.json b/package.json
index dd1e25e..5b9b76e 100644
--- a/package.json
+++ b/package.json
@@ -10,6 +10,8 @@
     "@testing-library/user-event": "^13.5.0",
     "react": "^17.0.2",
     "react-dom": "^17.0.2",
+    "react-moment": "^1.1.1",
+    "react-router-dom": "^6.2.1",
     "react-scripts": "5.0.0",
     "web-vitals": "^2.1.2"
   },
diff --git a/src/App.js b/src/App.js
index 044606f..e8e177e 100755
--- a/src/App.js
+++ b/src/App.js
@@ -8,9 +8,7 @@ import 'core-js/features/number/is-nan';
 import React from "react";
 import Button from '@material-ui/core/Button';
 import AppBar from '@material-ui/core/AppBar';
-import Box from '@material-ui/core/Box';
 import Toolbar from '@material-ui/core/Toolbar';
-import { makeStyles } from '@material-ui/core/styles';
 import { Router, Route } from "react-router-dom";
 
 //import 'typeface-roboto';
diff --git a/src/Board.js b/src/Board.js
index 51b908b..a3da9d1 100755
--- a/src/Board.js
+++ b/src/Board.js
@@ -609,7 +609,7 @@ class Board extends React.Component {
     
     /* Scale mouse.x and mouse.y relative to board */
     this.mouse.x = (x - rect.left) / 
-      (this.minSize / hexagonRatio) - 0.5 - tileHeight * 0.5,
+      (this.minSize / hexagonRatio) - 0.5 - tileHeight * 0.5;
     this.mouse.y = (y - rect.top) /
       (this.minSize / hexagonRatio) - 0.5 - tileHeight * 0.5;
 
@@ -652,7 +652,7 @@ class Board extends React.Component {
         this.closest.tile = closest.tile;
       }
 
-      this.closest.info.distance = closest.distance,
+      this.closest.info.distance = closest.distance;
       this.closest.info.angle = closest.angle;
     }
 
diff --git a/src/history.js b/src/history.js
index 5a67c01..75bbf83 100755
--- a/src/history.js
+++ b/src/history.js
@@ -10,7 +10,7 @@ history.push = (path) => {
 };
 */
 
-export default history = createBrowserHistory({
+export default createBrowserHistory({
   basename: process.env.PUBLIC_URL
 });