diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index e2a2df25bbe1..bdd8408c37cc 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -11623,10 +11623,7 @@ with pkgs;
   osl = libsForQt5.callPackage ../development/compilers/osl {
     boost = boost179;
     libclang = llvmPackages_15.libclang;
-    clang =
-      if stdenv.cc.libcxx != null
-      then (overrideLibcxx llvmPackages_15.stdenv).cc
-      else clang_15;
+    clang = clang_15;
     llvm = llvm_15;
     openexr = openexr_3;
   };