diff --git a/pkgs/top-level/aliases.nix b/pkgs/top-level/aliases.nix
index 677c2b73b649..1349ce993411 100644
--- a/pkgs/top-level/aliases.nix
+++ b/pkgs/top-level/aliases.nix
@@ -618,6 +618,7 @@ mapAliases ({
   saneBackendsGit = sane-backends-git; # added 2016-01-02
   saneFrontends = sane-frontends; # added 2016-01-02
   sapic = throw "sapic was deprecated on 2019-1-19: sapic is bundled with 'tamarin-prover' now";
+  scaff = throw "scaff is deprecated - replaced by https://gitlab.com/jD91mZM2/inc (not in nixpkgs yet)"; # added 2020-03-01
   scim = sc-im; # added 2016-01-22
   scollector = bosun; # added 2018-04-25
   sdlmame = mame; # added 2019-10-30
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index e42ed1a0a005..39c2dc55ef26 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -12856,8 +12856,6 @@ in
 
   sauce-connect = callPackage ../development/tools/sauce-connect { };
 
-  scaff = callPackage ../development/tools/scaff { };
-
   sd-local = callPackage ../development/tools/sd-local { };
 
   selenium-server-standalone = callPackage ../development/tools/selenium/server { };