diff --git a/ci/OWNERS b/ci/OWNERS
index d67e6b019b8ccd..8953e00b9cef9a 100644
--- a/ci/OWNERS
+++ b/ci/OWNERS
@@ -385,12 +385,6 @@ pkgs/by-name/fo/forgejo/                @adamcstephens @bendlas @emilylange
 /pkgs/development/compilers/ocaml   @ulrikstrid
 /pkgs/development/ocaml-modules     @ulrikstrid
 
-# ZFS
-pkgs/os-specific/linux/zfs/2_1.nix        @raitobezarius
-pkgs/os-specific/linux/zfs/generic.nix    @raitobezarius
-nixos/modules/tasks/filesystems/zfs.nix   @raitobezarius
-nixos/tests/zfs.nix                       @raitobezarius
-
 # Zig
 /pkgs/development/compilers/zig @figsoda
 /doc/hooks/zig.section.md       @figsoda
diff --git a/nixos/tests/zfs.nix b/nixos/tests/zfs.nix
index 13db2c8e06be6e..75b41b7aac1dc5 100644
--- a/nixos/tests/zfs.nix
+++ b/nixos/tests/zfs.nix
@@ -191,12 +191,6 @@ let
 
 in {
 
-  # maintainer: @raitobezarius
-  series_2_1 = makeZfsTest {
-    zfsPackage = pkgs.zfs_2_1;
-    kernelPackages = pkgs.linuxPackages;
-  };
-
   series_2_2 = makeZfsTest {
     zfsPackage = pkgs.zfs_2_2;
     kernelPackages = pkgs.linuxPackages;
diff --git a/pkgs/os-specific/linux/zfs/2_1.nix b/pkgs/os-specific/linux/zfs/2_1.nix
deleted file mode 100644
index 885ebca73abb7c..00000000000000
--- a/pkgs/os-specific/linux/zfs/2_1.nix
+++ /dev/null
@@ -1,30 +0,0 @@
-{ callPackage
-, kernel ? null
-, stdenv
-, lib
-, nixosTests
-, ...
-} @ args:
-
-let
-  stdenv' = if kernel == null then stdenv else kernel.stdenv;
-in
-callPackage ./generic.nix args {
-  # You have to ensure that in `pkgs/top-level/linux-kernels.nix`
-  # this attribute is the correct one for this package.
-  kernelModuleAttribute = "zfs_2_1";
-  # check the release notes for compatible kernels
-  kernelCompatible = kernel: kernel.kernelOlder "6.8";
-
-  # This is a fixed version to the 2.1.x series, move only
-  # if the 2.1.x series moves.
-  version = "2.1.15";
-
-  hash = "sha256-zFO8fMbirEOrn5W57rAN7IWY6EIXG8jDXqhP7BWJyiY=";
-
-  tests = {
-    inherit (nixosTests.zfs) series_2_1;
-  };
-
-  maintainers = [ lib.maintainers.raitobezarius ];
-}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 7543000e796118..c193b55ad3cb59 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -12924,9 +12924,6 @@ with pkgs;
 
   inherit
     ({
-      zfs_2_1 = callPackage ../os-specific/linux/zfs/2_1.nix {
-        configFile = "user";
-      };
       zfs_2_2 = callPackage ../os-specific/linux/zfs/2_2.nix {
         configFile = "user";
       };
@@ -12934,7 +12931,6 @@ with pkgs;
         configFile = "user";
       };
     })
-    zfs_2_1
     zfs_2_2
     zfs_unstable;
   zfs = zfs_2_2;
diff --git a/pkgs/top-level/linux-kernels.nix b/pkgs/top-level/linux-kernels.nix
index 5dc2bf56e8afa2..0cb0c87adfe7d2 100644
--- a/pkgs/top-level/linux-kernels.nix
+++ b/pkgs/top-level/linux-kernels.nix
@@ -578,10 +578,6 @@ in {
 
     zenpower = callPackage ../os-specific/linux/zenpower { };
 
-    zfs_2_1 = callPackage ../os-specific/linux/zfs/2_1.nix {
-      configFile = "kernel";
-      inherit pkgs kernel;
-    };
     zfs_2_2 = callPackage ../os-specific/linux/zfs/2_2.nix {
       configFile = "kernel";
       inherit pkgs kernel;