diff --git a/pkgs/development/libraries/science/math/petsc/filter_mpi_warnings.patch b/pkgs/by-name/pe/petsc/filter_mpi_warnings.patch
similarity index 100%
rename from pkgs/development/libraries/science/math/petsc/filter_mpi_warnings.patch
rename to pkgs/by-name/pe/petsc/filter_mpi_warnings.patch
diff --git a/pkgs/development/libraries/science/math/petsc/default.nix b/pkgs/by-name/pe/petsc/package.nix
similarity index 100%
rename from pkgs/development/libraries/science/math/petsc/default.nix
rename to pkgs/by-name/pe/petsc/package.nix
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 04cb6100324c..3de8d2b2b815 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -38054,8 +38054,6 @@ with pkgs;
     p4est-sc = p4est-sc-dbg;
   };
 
-  petsc = callPackage ../development/libraries/science/math/petsc { };
-
   parmetis = callPackage ../development/libraries/science/math/parmetis { };
 
   QuadProgpp = callPackage ../development/libraries/science/math/QuadProgpp { };