diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 626786f2cb4..d947009defb 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -9921,8 +9921,7 @@ with pkgs;
     # through /run/opengl-driver*, which is overriden according to config.grsecurity
     # grsecEnabled = true; # no more support in nixpkgs ATM
 
-    # llvm-4.0.0 and 5.0.0 won't pass tests on aarch64
-    llvmPackages = if system == "aarch64-linux" then llvmPackages_39 else llvmPackages_5;
+    llvmPackages = llvmPackages_5;
   });
 
   mesa_glu =  mesaDarwinOr (callPackage ../development/libraries/mesa-glu { });