diff --git a/home/librewolf.nix b/home/librewolf.nix
index 2c117fa5..16124ded 100644
--- a/home/librewolf.nix
+++ b/home/librewolf.nix
@@ -20,7 +20,6 @@ in
 
     profiles.default = {
       extensions = with nix-config.packages.${pkgs.system}; [
-        ublock-origin
         yomitan
         redlib
         new-tab-identity
diff --git a/packages/ublock-origin.nix b/packages/ublock-origin.nix
deleted file mode 100644
index c5a45ad8..00000000
--- a/packages/ublock-origin.nix
+++ /dev/null
@@ -1,52 +0,0 @@
-{
-  lib,
-  stdenvNoCC,
-  fetchurl,
-  unzip,
-  zip,
-}:
-
-stdenvNoCC.mkDerivation (finalAttrs: {
-  pname = "ublock-origin";
-  version = "1.59.0";
-
-  src = fetchurl {
-    url = "https://addons.mozilla.org/firefox/downloads/file/4328681/ublock_origin-${finalAttrs.version}.xpi";
-    hash = "sha256-HbnGdqB9FB+NNtu8JPnj1kpswjQNv8bISLxDlfls+xQ=";
-  };
-
-  dontUnpack = true;
-
-  nativeBuildInputs = [
-    unzip
-    zip
-  ];
-
-  postPatch = ''
-    unzip "$src"
-
-    substituteInPlace ./js/vapi-background-ext.js \
-      --replace-fail "browser.dns instanceof Object" "false"
-
-    substituteInPlace ./js/background.js \
-      --replace-fail "cnameUncloakEnabled: true" "cnameUncloakEnabled: false"
-
-    zip -x env-vars -r ublock-origin.xpi *
-  '';
-
-  installPhase = ''
-    runHook preInstall
-
-    install -Dm644 ublock-origin.xpi "$out/share/mozilla/extensions/{ec8030f7-c20a-464f-9b0e-13a3a9e97384}/uBlock0@raymondhill.net.xpi"
-
-    runHook postInstall
-  '';
-
-  meta = {
-    homepage = "https://addons.mozilla.org/en-US/firefox/addon/ublock-origin/";
-    description = "Efficient wide-spectrum content blocker";
-    license = lib.licenses.gpl3Plus;
-    maintainers = with lib.maintainers; [ donovanglover ];
-    platforms = lib.platforms.all;
-  };
-})