diff --git a/pkgs/development/libraries/gtksourceviewmm/default.nix b/pkgs/by-name/gt/gtksourceviewmm/package.nix
similarity index 100%
rename from pkgs/development/libraries/gtksourceviewmm/default.nix
rename to pkgs/by-name/gt/gtksourceviewmm/package.nix
diff --git a/pkgs/development/libraries/gtksourceviewmm/4.x.nix b/pkgs/by-name/gt/gtksourceviewmm4/package.nix
similarity index 100%
rename from pkgs/development/libraries/gtksourceviewmm/4.x.nix
rename to pkgs/by-name/gt/gtksourceviewmm4/package.nix
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 13d56a398066..fbd8c72f28da 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -7016,10 +7016,6 @@ with pkgs;
 
   gtksourceview5 = callPackage ../development/libraries/gtksourceview/5.x.nix { };
 
-  gtksourceviewmm = callPackage ../development/libraries/gtksourceviewmm { };
-
-  gtksourceviewmm4 = callPackage ../development/libraries/gtksourceviewmm/4.x.nix { };
-
   gtkspell2 = callPackage ../development/libraries/gtkspell { };
 
   gtkspell3 = callPackage ../development/libraries/gtkspell/3.nix { };