1 files changed, 13 insertions, 18 deletions
diff --git a/app/javascript/mastodon/components/column_collapsable.js b/app/javascript/mastodon/components/column_collapsable.js
index 797946859..3154c977f 100644
--- a/app/javascript/mastodon/components/column_collapsable.js
+++ b/app/javascript/mastodon/components/column_collapsable.js
@@ -4,16 +4,19 @@ import PropTypes from 'prop-types';
 
 class ColumnCollapsable extends React.PureComponent {
 
-  constructor (props, context) {
-    super(props, context);
-    this.state = {
-      collapsed: true
-    };
-
-    this.handleToggleCollapsed = this.handleToggleCollapsed.bind(this);
-  }
-
-  handleToggleCollapsed () {
+  static propTypes = {
+    icon: PropTypes.string.isRequired,
+    title: PropTypes.string,
+    fullHeight: PropTypes.number.isRequired,
+    children: PropTypes.node,
+    onCollapse: PropTypes.func
+  };
+
+  state = {
+    collapsed: true
+  };
+
+  handleToggleCollapsed = () => {
     const currentState = this.state.collapsed;
 
     this.setState({ collapsed: !currentState });
@@ -46,12 +49,4 @@ class ColumnCollapsable extends React.PureComponent {
   }
 }
 
-ColumnCollapsable.propTypes = {
-  icon: PropTypes.string.isRequired,
-  title: PropTypes.string,
-  fullHeight: PropTypes.number.isRequired,
-  children: PropTypes.node,
-  onCollapse: PropTypes.func
-};
-
 export default ColumnCollapsable;