diff --git a/pkgs/top-level/aliases.nix b/pkgs/top-level/aliases.nix
index f059704d278..870e5f2062a 100644
--- a/pkgs/top-level/aliases.nix
+++ b/pkgs/top-level/aliases.nix
@@ -354,6 +354,8 @@ mapAliases ({
   xf86_video_nouveau = xorg.xf86videonouveau; # added 2015-09
   xlibs = xorg; # added 2015-09
   xpraGtk3 = xpra; # added 2018-09-13
+  yarn2nix = throw "Use upstream https://github.com/moretea/yarn2nix"; # added 2019-04-12
+  mkYarnPackage = yarn2nix; # added 2019-04-12
   youtubeDL = youtube-dl;  # added 2014-10-26
   zdfmediathk = mediathekview; # added 2019-01-19
 
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 237902c9ce4..cface01949c 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -6611,9 +6611,6 @@ in
 
   yarn = callPackage ../development/tools/yarn  { };
 
-  yarn2nix = throw "Use upstream https://github.com/moretea/yarn2nix";
-  mkYarnPackage = yarn2nix;
-
   yasr = callPackage ../applications/audio/yasr { };
 
   yank = callPackage ../tools/misc/yank { };