diff --git a/src/components/Sword/ToolBar.js b/src/components/Sword/ToolBar.js
index daa3460..351df36 100644
--- a/src/components/Sword/ToolBar.js
+++ b/src/components/Sword/ToolBar.js
@@ -10,9 +10,7 @@ export default class ToolBar extends PureComponent {
       <div className={styles.operator}>
         <div>
           {buttons
-            .filter(button => {
-              return button.action === 1 || button.action === 3;
-            })
+            .filter(button => button.action === 1 || button.action === 3)
             .map(button => (
               <Button
                 key={button.code}