diff --git a/src/Controller.js b/src/Controller.js
index cdb29df..879d59c 100644
--- a/src/Controller.js
+++ b/src/Controller.js
@@ -33,6 +33,7 @@ class Controller extends React.Component<ControllerProps, ControllerState> {
   }
 
   componentWillUnmount() {
+    this.controller.destroy();
     this.controller = null;
   }