diff --git a/ts/editor-toolbar/IconButton.svelte b/ts/editor-toolbar/IconButton.svelte
index b01ceb4e7..fd33f69fe 100644
--- a/ts/editor-toolbar/IconButton.svelte
+++ b/ts/editor-toolbar/IconButton.svelte
@@ -7,7 +7,7 @@ License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
 
     export let id: string;
     export let className = "";
-    export let tooltip: string;
+    export let tooltip: string | undefined;
     export let shortcutLabel: string | undefined;
     export let icon: string;
 
diff --git a/ts/editor-toolbar/WithShortcuts.svelte b/ts/editor-toolbar/WithShortcuts.svelte
index 547e3d9b7..09e15aba8 100644
--- a/ts/editor-toolbar/WithShortcuts.svelte
+++ b/ts/editor-toolbar/WithShortcuts.svelte
@@ -21,11 +21,10 @@ License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
         };
     }
 
-    let deregister: (() => void)[];
+    let deregisters: (() => void)[];
 
     function createShortcut({ detail }: CustomEvent): void {
         const mounted: HTMLButtonElement = detail.button;
-        console.log(mounted);
         deregisters = shortcuts.map((shortcut: string): (() => void) =>
             registerShortcut((event) => {
                 mounted.dispatchEvent(new MouseEvent("click"));
@@ -34,7 +33,7 @@ License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
         );
     }
 
-    onDestroy(() => deregisters.map((dereg) => dereg()));
+    onDestroy(() => deregisters.forEach((dereg: () => void): void => dereg()));
 </script>
 
 <svelte:component