diff --git a/lib/inventory/build-inventory/interface.nix b/lib/inventory/build-inventory/interface.nix
index faf0e3c09..542ce8818 100644
--- a/lib/inventory/build-inventory/interface.nix
+++ b/lib/inventory/build-inventory/interface.nix
@@ -359,9 +359,6 @@ in
     };
 
     instances = lib.mkOption {
-      # Keep as internal until all de-/serialization issues are resolved
-      visible = false;
-      internal = true;
       description = "Multi host service module instances";
       type = types.attrsOf (
         types.submodule {