diff --git a/src/components/green-flag.js b/src/components/green-flag.js
index 54566eff34357b95e4956b2503a2a156ef8eae83..038d5be7deb3636bf4498939a1ef3cbcd99c12d7 100644
--- a/src/components/green-flag.js
+++ b/src/components/green-flag.js
@@ -11,7 +11,7 @@ class GreenFlag extends React.Component {
     }
     render () {
         return (
-            <div 
+            <div
                 className="scratch-green-flag"
                 style={{
                     position: 'absolute',
diff --git a/src/components/sprite-selector.js b/src/components/sprite-selector.js
index bb09f52b53ab60b331798ecf6746cfadc1287e52..9272e8faa6ee0b2be7cc6127716ed468a48d3f85 100644
--- a/src/components/sprite-selector.js
+++ b/src/components/sprite-selector.js
@@ -22,7 +22,7 @@ class SpriteSelector extends React.Component {
     }
     render () {
         return (
-            <div 
+            <div
                 style={{
                     position: 'absolute',
                     top: 380,
diff --git a/src/components/stop-all.js b/src/components/stop-all.js
index f50cd2167fc574eda64a351f4aba5076449a0ade..cdf51b5e13e1daf64020a734058686d9a757e182 100644
--- a/src/components/stop-all.js
+++ b/src/components/stop-all.js
@@ -11,7 +11,7 @@ class StopAll extends React.Component {
     }
     render () {
         return (
-            <div 
+            <div
                 className="scratch-stop-all"
                 style={{
                     position: 'absolute',
diff --git a/src/components/toolbox.js b/src/components/toolbox.js
index 1b29f13dcac240154275316bfb0d25405ecc4443..e32a625e60ca1a84a5b143698adedb8c8cfb7261 100644
--- a/src/components/toolbox.js
+++ b/src/components/toolbox.js
@@ -302,7 +302,7 @@ Toolbox.defaultProps = {
                     <field name="NUM">100</field>
                 </shadow>
             </block>
-            <block type="sound_cleareffects"></block>            
+            <block type="sound_cleareffects"></block>
             <block type="sound_changevolumeby">
                 <value name="VOLUME">
                     <shadow type="math_number">