diff --git a/nixos/modules/tasks/network-interfaces.nix b/nixos/modules/tasks/network-interfaces.nix
index 2a6d00296303..1c745bec5ec6 100644
--- a/nixos/modules/tasks/network-interfaces.nix
+++ b/nixos/modules/tasks/network-interfaces.nix
@@ -65,9 +65,6 @@ let
     }
   );
 
-  # We must escape interfaces due to the systemd interpretation
-  subsystemDevice = interface: "sys-subsystem-net-devices-${escapeSystemdPath interface}.device";
-
   addrOpts =
     v:
     assert v == 4 || v == 6;