diff --git a/app/assets/javascripts/discourse/views/composer.js.es6 b/app/assets/javascripts/discourse/views/composer.js.es6
index 4d7a3dbbb7a..61a9452ea95 100644
--- a/app/assets/javascripts/discourse/views/composer.js.es6
+++ b/app/assets/javascripts/discourse/views/composer.js.es6
@@ -21,7 +21,7 @@ const ComposerView = Ember.View.extend(Ember.Evented, {
     return composeState || Composer.CLOSED;
   },
 
-  movePanels(sizePx) {
+  movePanels() {
 
     // Do we need these anymore? causes issues on iPad. Reply sometimes does not
     // show composer due to bottom padding.