diff --git a/ui/src/components/LoginModal.vue b/ui/src/components/LoginModal.vue
index 399f274..b2d0612 100644
--- a/ui/src/components/LoginModal.vue
+++ b/ui/src/components/LoginModal.vue
@@ -65,10 +65,6 @@ export default class extends Vue {
   public username = "";
   public password = "";
 
-  declare $refs: {
-    username_input: HTMLInputElement | unknown;
-  };
-
   private on_keydown(e: KeyboardEvent) {
     if (e.key == "Enter") this.submit();
     else if (e.key == "Escape") this.cancel();
@@ -78,9 +74,8 @@ export default class extends Vue {
     window.addEventListener("keydown", this.on_keydown);
 
     this.$nextTick(() => {
-      if (this.$refs.username_input instanceof HTMLInputElement) {
-        this.$refs.username_input.focus();
-      }
+      if (!(this.$refs.username_input instanceof HTMLElement)) return;
+      this.$refs.username_input.focus();
     });
   }
 
diff --git a/ui/src/components/editor/PreviewDoor.vue b/ui/src/components/editor/PreviewDoor.vue
index de58486..ab8db18 100644
--- a/ui/src/components/editor/PreviewDoor.vue
+++ b/ui/src/components/editor/PreviewDoor.vue
@@ -43,10 +43,6 @@ export default class extends Vue {
   public day_str = "";
   public editing = false;
 
-  declare $refs: {
-    day_input: HTMLInputElement | unknown;
-  };
-
   private toggle_editing() {
     this.day_str = String(this.door.day);
     this.editing = !this.editing;