diff --git a/pkgs/tools/text/mdbook-d2/default.nix b/pkgs/by-name/md/mdbook-d2/package.nix
similarity index 100%
rename from pkgs/tools/text/mdbook-d2/default.nix
rename to pkgs/by-name/md/mdbook-d2/package.nix
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 6782cf4d67c4..975d9c627159 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -9633,8 +9633,6 @@ with pkgs;
 
   mdbook-cmdrun = callPackage ../tools/text/mdbook-cmdrun { };
 
-  mdbook-d2 = callPackage ../tools/text/mdbook-d2 { };
-
   mdbook-pagetoc = callPackage ../tools/text/mdbook-pagetoc { };
 
   mdbook-graphviz = callPackage ../tools/text/mdbook-graphviz {