diff --git a/pkgs/tools/filesystems/btrfs-dedupe/default.nix b/pkgs/tools/filesystems/btrfs-dedupe/default.nix
deleted file mode 100644
index 40a58e4227f3..000000000000
--- a/pkgs/tools/filesystems/btrfs-dedupe/default.nix
+++ /dev/null
@@ -1,29 +0,0 @@
-{ stdenv, fetchurl, rustPlatform, lzo, zlib }:
-
-with rustPlatform;
-
-buildRustPackage rec {
-  pname = "btrfs-dedupe";
-  version = "1.1.0";
-
-
-  src = fetchurl {
-    url = "https://gitlab.wellbehavedsoftware.com/well-behaved-software/btrfs-dedupe/repository/archive.tar.bz2?ref=72c6a301d20f935827b994db210bf0a1e121273a";
-    sha256 = "0qy1g4crhfgs2f5cmrsjv6qscg3r66gb8n6sxhimm9ksivhjyyjp";
-  };
-
-  # Delete this on next update; see #79975 for details
-  legacyCargoFetcher = true;
-
-  cargoSha256 = "1sz3fswb76rnk7x4kpl1rnj2yxbhpx6q8kv8xxiqdr7qyphpi98r";
-
-  buildInputs = [ lzo zlib ];
-
-  meta = with stdenv.lib; {
-    homepage = https://gitlab.wellbehavedsoftware.com/well-behaved-software/btrfs-dedupe;
-    description = "BTRFS deduplication utility";
-    license = licenses.mit;
-    platforms = [ "x86_64-linux" ];
-    maintainers = with maintainers; [ ikervagyok ];
-  };
-}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 20016724d171..a5fb447f8a02 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -1299,8 +1299,6 @@ in
 
   btrfs-progs = callPackage ../tools/filesystems/btrfs-progs { };
 
-  btrfs-dedupe = callPackage ../tools/filesystems/btrfs-dedupe {};
-
   btrbk = callPackage ../tools/backup/btrbk {
     asciidoc = asciidoc-full;
   };