diff --git a/pkgs/applications/networking/browsers/firefox/common.nix b/pkgs/applications/networking/browsers/firefox/common.nix
index 8ba899457b3d..4aa8105559b0 100644
--- a/pkgs/applications/networking/browsers/firefox/common.nix
+++ b/pkgs/applications/networking/browsers/firefox/common.nix
@@ -103,10 +103,6 @@ stdenv.mkDerivation ({
       sha256 = "1zg56v3lc346fkzcjjx21vjip2s9hb2xw4pvza1dsfdnhsnzppfp";
     })
   ]
-  ++ lib.optional (lib.versionAtLeast ffversion "71") (fetchpatch {
-    url = "https://phabricator.services.mozilla.com/D56873?download=true";
-    sha256 = "183949phd2n27nhiq85a04j4fjn0jxmldic6wcjrczsd8g2rrr5k";
-  })
   ++ patches;