diff --git a/pkgs/development/tools/yj/default.nix b/pkgs/by-name/yj/yj/package.nix
similarity index 96%
rename from pkgs/development/tools/yj/default.nix
rename to pkgs/by-name/yj/yj/package.nix
index 150278c0ac4d..ae4597619583 100644
--- a/pkgs/development/tools/yj/default.nix
+++ b/pkgs/by-name/yj/yj/package.nix
@@ -18,6 +18,7 @@ buildGoModule rec {
   meta = with lib; {
     description = "Convert YAML <=> TOML <=> JSON <=> HCL";
     license = licenses.asl20;
+    mainProgram = "yj";
     maintainers = with maintainers; [ Profpatsch ];
     homepage = "https://github.com/sclevine/yj";
   };
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 2c76ff285563..7e80c7b5233a 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -15155,8 +15155,6 @@ with pkgs;
     haskellPackages = haskell.packages.ghc810;
   };
 
-  yj = callPackage ../development/tools/yj { };
-
   yaydl = callPackage ../tools/video/yaydl {
     inherit (darwin.apple_sdk.frameworks) Security;
   };