diff --git a/patches/330557.patch b/patches/330557.patch
deleted file mode 100644
index 4c957fc0..00000000
--- a/patches/330557.patch
+++ /dev/null
@@ -1,22 +0,0 @@
-diff --git a/pkgs/tools/networking/mu/default.nix b/pkgs/tools/networking/mu/default.nix
-index b54c07eae9afbed..f58851df6a4b543 100644
---- a/pkgs/tools/networking/mu/default.nix
-+++ b/pkgs/tools/networking/mu/default.nix
-@@ -17,7 +17,7 @@
- 
- stdenv.mkDerivation rec {
-   pname = "mu";
--  version = "1.12.5";
-+  version = "1.12.6";
- 
-   outputs = [ "out" "mu4e" ];
- 
-@@ -25,7 +25,7 @@ stdenv.mkDerivation rec {
-     owner = "djcb";
-     repo = "mu";
-     rev = "v${version}";
--    hash = "sha256-dQeXL+CcysmlV6VYSuZtWGSgIhoqP6Y20Qora4l0iP8=";
-+    hash = "sha256-/aWKhqDWkdOGuLViBkzqQ3WdULaEdcPnWTSthQZ8j4s=";
-   };
- 
-   postPatch = ''