diff --git a/README.md b/README.md
index 7135364..1ab7ed3 100644
--- a/README.md
+++ b/README.md
@@ -7,7 +7,7 @@ right-click context-menu support.
 
 **Version:** 0.1.1
 **Lib-ID:** lib-core.inventory-list-display
-**Requires:** lib-core.panel v0.1.0, lib-core.inventory-list v0.1.0, lib-core.composition v0.2.0
+**Requires:** lib-core.panel v0.4.0, lib-core.inventory-list v0.1.0, lib-core.composition v0.3.0
 **Tags:** inventory, ui, panel, widget, list
 
 ## Topology
diff --git a/init.lua b/init.lua
index 7679ca5..95075d5 100644
--- a/init.lua
+++ b/init.lua
@@ -1,5 +1,5 @@
 -- =====================================================================
--- lib-core.inventory-list-display v0.1.0 — Inventory vertical-list widget
+-- lib-core.inventory-list-display v0.1.1 — Inventory vertical-list widget
 --
 -- Sits on top of lib-core.panel and reads lib-core.inventory-list +
 -- lib-core.composition. Provides a ready-to-register panel widget that
@@ -49,16 +49,6 @@ local inventory   = require("lib-core.inventory-list")
 
 local M = {}
 
--- -----------------------------------------------------------------------
--- entity_id workaround helper
--- get_children() returns fresh userdata wrappers per call; engine entities
--- have no __eq metamethod. Use composition.reg_id as stable identity.
--- Mirrors the same pattern used in inventory-list/init.lua.
--- -----------------------------------------------------------------------
-local function entity_id(e)
-    return e:get_property("composition.reg_id")
-end
-
 -- -----------------------------------------------------------------------
 -- Default resolvers
 -- -----------------------------------------------------------------------