From f4f8338f0eed090c91b59755ddd1b6a8f8d965ad Mon Sep 17 00:00:00 2001
From: Tol Wassman <tol@tol.sh>
Date: Thu, 16 Jul 2026 02:40:47 +0000
Subject: [PATCH] Revert "buildMozillaMach: backport BZ 2047651 patch for 153"

This reverts commit 0374b4e5acc7609fe2cd0a67e48826e709df64f6.
---
 .../build-mozilla-mach/default.nix             | 18 ------------------
 1 file changed, 18 deletions(-)

diff --git a/pkgs/build-support/build-mozilla-mach/default.nix b/pkgs/build-support/build-mozilla-mach/default.nix
index f8298a4c6fe8..58f3f6000a56 100644
--- a/pkgs/build-support/build-mozilla-mach/default.nix
+++ b/pkgs/build-support/build-mozilla-mach/default.nix
@@ -349,24 +349,6 @@ buildStdenv.mkDerivation {
       # https://bugzilla.mozilla.org/show_bug.cgi?id=2046162
       ./153-cbindgen-0.29.4-compat.patch
     ]
-    ++
-      # Fixes `ld.lld: error: undefined symbol: FREEBL_GetVector`
-      # https://bugzilla.mozilla.org/show_bug.cgi?id=2047651
-      lib.optionals
-        (
-          lib.versionAtLeast version "153"
-          && lib.versionOlder version "154"
-          # We don't set --with-system-nss on Darwin, so it should be
-          # unaffected.
-          && !stdenv.hostPlatform.isDarwin
-        )
-        [
-          (fetchpatch {
-            name = "link-freebl-explicitly-for-system-nss-builds.patch";
-            url = "https://hg-edge.mozilla.org/mozilla-central/raw-rev/1a56071ddc0fe97a55c3b825e1dd33c8422b9fc1";
-            hash = "sha256-+HiU7RMPmV7I7SIzjP0Q6iSDJL/vBjc3UcwUTg57lNQ=";
-          })
-        ]
     ++ extraPatches;
 
   postPatch = ''