diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index d6bfc26b6075..50249c6b464f 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -19254,12 +19254,7 @@ with pkgs;
 
   modd = callPackage ../development/tools/modd { };
 
-  mold = callPackage ../development/tools/mold {
-    # C++20 is required, aarch64-linux has gcc 9 by default
-    stdenv = if stdenv.isLinux && stdenv.isAarch64
-      then llvmPackages_12.libcxxStdenv
-      else llvmPackages.stdenv;
-  };
+  mold = callPackage ../development/tools/mold { };
 
   moon = callPackage ../development/tools/build-managers/moon/default.nix { };