diff --git a/browser/devtools/styleeditor/StyleEditorUI.jsm b/browser/devtools/styleeditor/StyleEditorUI.jsm
index 0181d464fd5d..c18e4622c9e2 100644
--- a/browser/devtools/styleeditor/StyleEditorUI.jsm
+++ b/browser/devtools/styleeditor/StyleEditorUI.jsm
@@ -238,7 +238,7 @@ StyleEditorUI.prototype = {
   {
     let onFileSelected = function(file) {
       if (!file) {
-        this.emit("error", LOAD_ERROR);
+        // nothing selected
         return;
       }
       NetUtil.asyncFetch(file, (stream, status) => {