diff --git a/src-tauri/tauri.conf.json b/src-tauri/tauri.conf.json
index 6905ad8..022b1f8 100644
--- a/src-tauri/tauri.conf.json
+++ b/src-tauri/tauri.conf.json
@@ -51,8 +51,7 @@
       {
         "ext": [
           "beam"
-        ],
-        "mimeType": "text/plain"
+        ]
       }
     ]
   }
diff --git a/src/main.js b/src/main.js
index ee65f89..9d14ab6 100644
--- a/src/main.js
+++ b/src/main.js
@@ -350,7 +350,6 @@ let context = {
 let config = {
   shortcuts: {
     playAnimation: " ",
-    // undo: "<ctrl>+z"
     undo: "<mod>z",
     redo: "<mod>Z",
     new: "<mod>n",