diff --git a/pkgs/development/libraries/isa-l/default.nix b/pkgs/by-name/is/isa-l/package.nix
similarity index 100%
rename from pkgs/development/libraries/isa-l/default.nix
rename to pkgs/by-name/is/isa-l/package.nix
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index cd1a3db79f56..83f47ba2fc8f 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -8679,8 +8679,6 @@ with pkgs;
 
   hci = callPackage ../development/tools/continuous-integration/hci { };
 
-  isa-l = callPackage ../development/libraries/isa-l { };
-
   niv = lib.getBin (haskell.lib.compose.justStaticExecutables haskellPackages.niv);
 
   ormolu = lib.getBin (haskell.lib.compose.justStaticExecutables haskellPackages.ormolu);