diff --git a/pkgs/development/libraries/mypaint-brushes/default.nix b/pkgs/by-name/my/mypaint-brushes/package.nix
similarity index 100%
rename from pkgs/development/libraries/mypaint-brushes/default.nix
rename to pkgs/by-name/my/mypaint-brushes/package.nix
diff --git a/pkgs/development/libraries/mypaint-brushes/1.0.nix b/pkgs/by-name/my/mypaint-brushes1/package.nix
similarity index 100%
rename from pkgs/development/libraries/mypaint-brushes/1.0.nix
rename to pkgs/by-name/my/mypaint-brushes1/package.nix
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 1a0727b79fcb..dfa9eeec4ad3 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -9675,10 +9675,6 @@ with pkgs;
     enableGL = false;
   };
 
-  mypaint-brushes1 = callPackage ../development/libraries/mypaint-brushes/1.0.nix { };
-
-  mypaint-brushes = callPackage ../development/libraries/mypaint-brushes { };
-
   ncdu_1 = callPackage ../by-name/nc/ncdu/1.nix { };
 
   notmuch = callPackage ../applications/networking/mailreaders/notmuch {