diff --git a/pkgs/development/haskell-modules/configuration-common.nix b/pkgs/development/haskell-modules/configuration-common.nix
index 796d4ba4e60c..e94a0b664b18 100644
--- a/pkgs/development/haskell-modules/configuration-common.nix
+++ b/pkgs/development/haskell-modules/configuration-common.nix
@@ -662,16 +662,6 @@ with haskellLib;
           # TODO(@sternenseemann): submit upstreamable patch resolving this
           # (this should be possible by also taking PREFIX into account).
           ./patches/git-annex-no-usr-prefix.patch
-          # https://git-annex.branchable.com/bugs/flaky_test_failure_add_dup/
-          (pkgs.fetchpatch {
-            name = "git-annex-workaround-for-git-2.50_bis.patch";
-            url = "https://git.joeyh.name/index.cgi/git-annex.git/patch/?id=cf449837ea9ab7687d8a157f21cad31ddf5bbfb6";
-            sha256 = "sha256-HmNJ85dLht5Hy85AUkjACnET9YLPP2MshYHsApUax+I=";
-            excludes = [
-              "doc/**"
-              "CHANGELOG"
-            ];
-          })
         ];
 
         postPatch = ''