diff --git a/pkgs/development/tools/cddl/Gemfile b/pkgs/by-name/cd/cddl/Gemfile
similarity index 100%
rename from pkgs/development/tools/cddl/Gemfile
rename to pkgs/by-name/cd/cddl/Gemfile
diff --git a/pkgs/development/tools/cddl/Gemfile.lock b/pkgs/by-name/cd/cddl/Gemfile.lock
similarity index 100%
rename from pkgs/development/tools/cddl/Gemfile.lock
rename to pkgs/by-name/cd/cddl/Gemfile.lock
diff --git a/pkgs/development/tools/cddl/gemset.nix b/pkgs/by-name/cd/cddl/gemset.nix
similarity index 100%
rename from pkgs/development/tools/cddl/gemset.nix
rename to pkgs/by-name/cd/cddl/gemset.nix
diff --git a/pkgs/development/tools/cddl/default.nix b/pkgs/by-name/cd/cddl/package.nix
similarity index 100%
rename from pkgs/development/tools/cddl/default.nix
rename to pkgs/by-name/cd/cddl/package.nix
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 09ec5802f303..04fdab284479 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -4460,8 +4460,6 @@ with pkgs;
 
   cbftp = callPackage ../tools/networking/cbftp { };
 
-  cddl = callPackage ../development/tools/cddl { };
-
   cedille = callPackage ../applications/science/logic/cedille
                           { inherit (haskellPackages) alex happy Agda ghcWithPackages;
                           };