diff --git a/src/lib/utils.ts b/src/lib/utils.ts
index b7682b645..80445b14b 100644
--- a/src/lib/utils.ts
+++ b/src/lib/utils.ts
@@ -196,21 +196,6 @@ export function scrollIntoView(id: string, options?: ScrollIntoViewOptions) {
   if (lineElement) lineElement.scrollIntoView(options);
 }
 
-function isMac() {
-  if (
-    (navigator.platform && navigator.platform.includes("Mac")) ||
-    navigator.userAgent.includes("OS X")
-  ) {
-    return true;
-  } else {
-    return false;
-  }
-}
-
-export function modifierKey() {
-  return isMac() ? "⌘" : "ctrl";
-}
-
 // Check whether the given path has a markdown file extension.
 export function isMarkdownPath(path: string): boolean {
   return /\.(md|mkd|markdown)$/i.test(path);
diff --git a/src/modals/HotkeysModal.svelte b/src/modals/HotkeysModal.svelte
index 0ec2d4431..326f955f6 100644
--- a/src/modals/HotkeysModal.svelte
+++ b/src/modals/HotkeysModal.svelte
@@ -1,6 +1,4 @@
 <script lang="ts">
-  import { modifierKey } from "@app/lib/utils";
-
   import Icon from "@app/components/Icon.svelte";
   import IconSmall from "@app/components/IconSmall.svelte";
   import KeyHint from "@app/components/KeyHint.svelte";
@@ -38,14 +36,6 @@
         <KeyHint>⏎</KeyHint>
       </div>
 
-      <div class="pair">
-        <span>Post comment</span>
-        <div class="keys">
-          <KeyHint>{modifierKey()}</KeyHint> +
-          <KeyHint>⏎</KeyHint>
-        </div>
-      </div>
-
       <div class="pair">
         <span>Select multiple lines</span>
         <div class="keys">