diff --git a/src/GraphVisJs/Graph.js b/src/GraphVisJs/Graph.js
index cbe50510fdf8fa14889544d48281d90a5c234e24..43c4e77c33b423cb54d95a2d5fefbd15e1127340 100644
--- a/src/GraphVisJs/Graph.js
+++ b/src/GraphVisJs/Graph.js
@@ -20,7 +20,7 @@ export class Graph extends React.Component {
     };
     var options = parseData.options;
     options.nodes = { font: { color : "white"}};
-    var network = new vis.Network(this.ref.current, data, options);
+    new vis.Network(this.ref.current, data, options);
   }
 
   componentDidMount() {
diff --git a/src/Mood/Mood.js b/src/Mood/Mood.js
index d68d91f107b29b7169912c992a583588fcfd8579..fc9127a1ee2c87a025aa957de0086db0e2693648 100644
--- a/src/Mood/Mood.js
+++ b/src/Mood/Mood.js
@@ -9,7 +9,7 @@ import './Mood.css'
 export class Mood extends Component {
   constructor(props) {
     super(props);
-    
+
     this.image = {
       "PAINED": "images/mood/mood-pained.svg",
       "PLEASED": "images/mood/mood-happy.svg",