diff --git a/pkgs/tools/compression/zstdmt/default.nix b/pkgs/tools/compression/zstdmt/default.nix
deleted file mode 100644
index b723c107936..00000000000
--- a/pkgs/tools/compression/zstdmt/default.nix
+++ /dev/null
@@ -1,36 +0,0 @@
-{ stdenv, fetchFromGitHub, zstd, lz4 }:
-
-stdenv.mkDerivation rec {
-  name = "zstdmt-${version}";
-  version = "0.3";
-
-  src = fetchFromGitHub {
-    sha256 = "17i44kjc612sbs7diim9ih007zp7z9zs3q3yacd6dzlqya5vsp0w";
-    rev = "v${version}";
-    repo = "zstdmt";
-    owner = "mcmilk";
-  };
-
-  setSourceRoot = ''
-    sourceRoot=$(echo */unix)
-  '';
-
-  buildInputs = [
-    zstd lz4
-  ];
-
-  makeFlags = [ "CC=cc" "zstdmt" "lz4mt" ];
-
-  installPhase = ''
-    mkdir -p $out/bin/
-    mv zstdmt lz4mt $out/bin/
-  '';
-
-  meta = with stdenv.lib; {
-    description = "Multithreading Library for LZ4, LZ5 and ZStandard";
-    homepage = https://github.com/mcmilk/zstdmt;
-    license = with licenses; [ bsd2 ];
-
-    platforms = platforms.unix;
-  };
-}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 09fb1ff28c9..254d9ac85d0 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -6149,7 +6149,6 @@ with pkgs;
   zssh = callPackage ../tools/networking/zssh { };
 
   zstd = callPackage ../tools/compression/zstd { };
-  zstdmt = callPackage ../tools/compression/zstdmt { };
 
   zsync = callPackage ../tools/compression/zsync { };