diff --git a/pkgs/tools/networking/openvpn/default.nix b/pkgs/tools/networking/openvpn/default.nix
index e780865ab3b5..f90370edf516 100644
--- a/pkgs/tools/networking/openvpn/default.nix
+++ b/pkgs/tools/networking/openvpn/default.nix
@@ -21,8 +21,6 @@ stdenv.mkDerivation rec {
     --enable-systemd
     --enable-iproute2
     IPROUTE=${iproute}/sbin/ip
-  '' + optionalString stdenv.isDarwin ''
-    --disable-plugin-auth-pam
   '';
 
   postInstall = ''