diff --git a/extra/firefox/PKGBUILD b/extra/firefox/PKGBUILD
index 8fac80f80..d6f7d327e 100644
--- a/extra/firefox/PKGBUILD
+++ b/extra/firefox/PKGBUILD
@@ -10,7 +10,7 @@
 highmem=1
 
 pkgname=firefox
-pkgver=104.0.2
+pkgver=105.0
 pkgrel=1
 pkgdesc="Standalone web browser from mozilla.org"
 arch=(x86_64)
@@ -29,12 +29,10 @@ optdepends=('networkmanager: Location detection via available WiFi networks'
             'xdg-desktop-portal: Screensharing with Wayland')
 options=(!emptydirs !makeflags !strip !lto !debug)
 source=(https://archive.mozilla.org/pub/firefox/releases/$pkgver/source/firefox-$pkgver.source.tar.xz{,.asc}
-        arc4random.diff
         build-arm-libopus.patch
         $pkgname.desktop identity-icons-brand.svg)
-sha256sums=('72bba06f04e7745f6b02951906413eb1c15a7e253e06e373302162c6219f286a'
+sha256sums=('2b5becbb89aa2b2007ba8c86ad517aeae1b54904d007d9d3acbf054be6a0ed62'
             'SKIP'
-            '714ca50b2ce0cac470dbd5a60e9a0101b28072f08a5e7a9bba94fef2058321c4'
             '2d4d91f7e35d0860225084e37ec320ca6cae669f6c9c8fe7735cdbd542e3a7c9'
             '298eae9de76ec53182f38d5c549d0379569916eebf62149f9d7f4a7edef36abf'
             'a9b8b4a0a1f4a7b4af77d5fc70c2686d624038909263c795ecc81e0aec7711e9')
@@ -57,9 +55,6 @@ prepare() {
   mkdir mozbuild
   cd firefox-$pkgver
 
-  # Unbreak build with glibc 2.36
-  #patch -Np1 -i ../arc4random.diff
-
   echo -n "$_google_api_key" >google-api-key
   echo -n "$_mozilla_api_key" >mozilla-api-key
 
diff --git a/extra/firefox/arc4random.diff b/extra/firefox/arc4random.diff
deleted file mode 100644
index c877d54c1..000000000
--- a/extra/firefox/arc4random.diff
+++ /dev/null
@@ -1,33 +0,0 @@
-diff --git i/ipc/chromium/src/third_party/libevent/linux/event2/event-config.h w/ipc/chromium/src/third_party/libevent/linux/event2/event-config.h
-index 101d39d455107..3764806240f9f 100644
---- i/ipc/chromium/src/third_party/libevent/linux/event2/event-config.h
-+++ w/ipc/chromium/src/third_party/libevent/linux/event2/event-config.h
-@@ -30,13 +30,13 @@
- /* #undef EVENT__HAVE_AFUNIX_H 1 */
- 
- /* Define to 1 if you have the `arc4random' function. */
--/* #undef EVENT__HAVE_ARC4RANDOM */
-+#define EVENT__HAVE_ARC4RANDOM 1
- 
- /* Define to 1 if you have the `arc4random_addrandom' function. */
- /* #undef EVENT__HAVE_ARC4RANDOM_ADDRANDOM */
- 
- /* Define to 1 if you have the `arc4random_buf' function. */
--/* #undef EVENT__HAVE_ARC4RANDOM_BUF */
-+#define EVENT__HAVE_ARC4RANDOM_BUF 1
- 
- /* Define to 1 if you have the <arpa/inet.h> header file. */
- #define EVENT__HAVE_ARPA_INET_H 1
-diff --git i/toolkit/crashreporter/client/ping.cpp w/toolkit/crashreporter/client/ping.cpp
-index 57cf85de80b79..93a2f6e80ad0b 100644
---- i/toolkit/crashreporter/client/ping.cpp
-+++ w/toolkit/crashreporter/client/ping.cpp
-@@ -53,7 +53,7 @@ static string GenerateUUID() {
- 
-   CFRelease(uuid);
- #elif defined(HAVE_ARC4RANDOM_BUF)  // Android, BSD, ...
--  arc4random_buf(id, sizeof(UUID));
-+  arc4random_buf(&id, sizeof(UUID));
- #else                               // Linux
-   int fd = open("/dev/urandom", O_RDONLY);
-