diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index a4b6d202885e..34f4057b8607 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -21086,9 +21086,7 @@ with pkgs;
 
   geomyidae = callPackage ../applications/networking/gopher/geomyidae { };
 
-  geos = callPackage ../development/libraries/geos {
-    stdenv = if stdenv.cc.isClang then overrideLibcxx llvmPackages_14.stdenv else stdenv;
-  };
+  geos = callPackage ../development/libraries/geos { };
 
   geos_3_9 = callPackage ../development/libraries/geos/3.9.nix { };
 
@@ -24068,9 +24066,7 @@ with pkgs;
 
   prime-server = callPackage ../development/libraries/prime-server { };
 
-  proj = callPackage ../development/libraries/proj {
-    stdenv = if stdenv.cc.isClang then overrideLibcxx llvmPackages_13.stdenv else stdenv;
-  };
+  proj = callPackage ../development/libraries/proj { };
 
   proj_7 = callPackage ../development/libraries/proj/7.nix { };