diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index d1c6ddbbe60..5920927ae2f 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -8784,7 +8784,6 @@ with pkgs;
 
   valgrind = callPackage ../development/tools/analysis/valgrind {
     inherit (darwin) xnu bootstrap_cmds cctools;
-    llvm = llvm_39;
   };
   valgrind-light = self.valgrind.override { gdb = null; };