diff --git a/pkgs/tools/security/cb1cat/default.nix b/pkgs/tools/security/cb1cat/default.nix
deleted file mode 100644
index 546ace2d8ed..00000000000
--- a/pkgs/tools/security/cb1cat/default.nix
+++ /dev/null
@@ -1,24 +0,0 @@
-{ stdenv, fetchurl }:
-
-stdenv.mkDerivation rec {
-  name    = "cb1cat-${version}";
-  version = "20140403153000";
-
-  src = fetchurl {
-    url    = "https://www.cblnk.com/cb1cat/dist/${name}.tgz";
-    sha256 = "1zi0rxbgmp6vkcarg493gfgn7pnfdpz0iplcgslbc45n2bxkv70q";
-  };
-
-  installPhase = ''
-    mkdir -p $out/bin
-    mv cb1cat $out/bin
-  '';
-
-  meta = {
-    description = "cryptographic tool based on the CBEAMr1 sponge function";
-    homepage    = "https://www.cblnk.com/cb1cat/";
-    license     = stdenv.lib.licenses.bsd3;
-    platforms   = stdenv.lib.platforms.unix;
-    maintainers = [ stdenv.lib.maintainers.thoughtpolice ];
-  };
-}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 06f5211d9b9..033c80e66ae 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -426,8 +426,6 @@ let
 
   aescrypt = callPackage ../tools/misc/aescrypt { };
 
-  cb1cat = callPackage ../tools/security/cb1cat { };
-
   ahcpd = callPackage ../tools/networking/ahcpd { };
 
   aircrackng = callPackage ../tools/networking/aircrack-ng { };