diff --git a/morph/lib/customize-storage.nix b/morph/lib/customize-storage.nix
index 449ae5f93a7f0e7cde1dfd719cbbd143fd8e54ce..0a08743633126b5898e61a877e62a7b58314b34e 100644
--- a/morph/lib/customize-storage.nix
+++ b/morph/lib/customize-storage.nix
@@ -16,9 +16,6 @@
   # advertisements and on which to listen for storage connections.
 , publicStoragePort
 
-  # XXX To be removed
-, publicIPv4
-
   # A string giving the NixOS state version for the system.
 , stateVersion
 , ...