diff --git a/assets/js/detectOS.js b/assets/js/detectOS.js
deleted file mode 100644
index 4224834..0000000
--- a/assets/js/detectOS.js
+++ /dev/null
@@ -1,37 +0,0 @@
-export function detectOS(userAgent) {
-  const userAgentLower = userAgent.toLowerCase();
-
-  // Detect macOS
-  if (
-    userAgentLower.indexOf("macintosh") !== -1 ||
-    userAgentLower.indexOf("mac os x") !== -1
-  ) {
-    return "macOS";
-  }
-
-  // Detect Windows
-  if (userAgentLower.indexOf("windows") !== -1) {
-    return "Windows";
-  }
-
-  // Detect Linux
-  if (userAgentLower.indexOf("linux") !== -1) {
-    return "Linux";
-  }
-
-  // Detect iOS
-  if (/iphone|ipad|ipod/i.test(userAgent)) {
-    return "iOS";
-  }
-
-  // Detect Android
-  if (/android/i.test(userAgent)) {
-    return "Android";
-  }
-
-  return "Unknown";
-}
-
-export function isMobile(userAgent) {
-  return detectOS(userAgent) === "iOS" || detectOS(userAgent) === "Android";
-}
diff --git a/assets/js/hotkeys.js b/assets/js/hotkeys.js
index 75a83f9..c207914 100644
--- a/assets/js/hotkeys.js
+++ b/assets/js/hotkeys.js
@@ -9,19 +9,22 @@ document.addEventListener("DOMContentLoaded", function () {
     userAgent.toLowerCase().indexOf("macintosh") !== -1 ||
     userAgent.toLowerCase().indexOf("mac os x") !== -1;
 
-  // setup to search
-  const searchIcon = document.querySelector("button.search__toggle");
-  if (searchIcon) {
-    if (!isMobile) {
+  if (!isMobile) {
+    // setup to search
+    const searchIcon = document.querySelector("button.search__toggle");
+    if (searchIcon) {
       searchIcon.setAttribute("tooltip", "cmd/ctrl + k to open, esc to close");
       searchIcon.setAttribute("tooltip-position", "left");
       setupSearchHotkeys(searchIcon, isMac);
     }
-  }
-
-  // Register focus hotkeys
-  setupFocusHotkeys();
+    // Register focus hotkeys
+    setupFocusHotkeys();
 
-  // Setup hotkeys popover hotkeys
-  setupHotkeysPopoverHotkeys();
+    // Setup hotkeys popover hotkeys
+    setupHotkeysPopoverHotkeys();
+  } else {
+    // Hide hotkeys popover on mobile
+    const hotkeysPopover = document.getElementById("hotkeys-popover");
+    hotkeysPopover.style.display = "none";
+  }
 });