diff --git a/pkgs/by-name/ar/arpack/package.nix b/pkgs/by-name/ar/arpack/package.nix
index edda493f34b3..931fd42da9c6 100644
--- a/pkgs/by-name/ar/arpack/package.nix
+++ b/pkgs/by-name/ar/arpack/package.nix
@@ -41,7 +41,6 @@ stdenv.mkDerivation (finalAttrs: {
   # a couple tests fail when run in parallel
   doCheck = true;
   enableParallelChecking = false;
-  __darwinAllowLocalNetworking = true;
 
   env = lib.optionalAttrs useAccel {
     # Without these flags some tests will fail / segfault when using Accelerate