diff --git a/pkgs/development/tools/continuous-integration/buildbot/master.nix b/pkgs/development/tools/continuous-integration/buildbot/master.nix
index 386540681c3a..1d624c3fc17e 100644
--- a/pkgs/development/tools/continuous-integration/buildbot/master.nix
+++ b/pkgs/development/tools/continuous-integration/buildbot/master.nix
@@ -43,7 +43,6 @@
   unidiff,
   glibcLocales,
   nixosTests,
-  fetchpatch,
 }:
 
 let
@@ -141,11 +140,6 @@ buildPythonApplication rec {
   ];
 
   patches = [
-    (fetchpatch {
-      name = "remove-uses-of-twisted-python-constants.patch";
-      url = "https://github.com/buildbot/buildbot/commit/ac46c0aa77be46eaa64e09bef03da6f8dbaacfa7.patch";
-      hash = "sha256-XoODSKY0GzFh2H5gWxiXm/QxngGN2MM0yId5D1RQflQ=";
-    })
     # This patch disables the test that tries to read /etc/os-release which
     # is not accessible in sandboxed builds.
     ./skip_test_linux_distro.patch