diff --git a/App/components/layout/sidebar.tsx b/App/components/layout/sidebar.tsx
index 28c7b68..ee85010 100644
--- a/App/components/layout/sidebar.tsx
+++ b/App/components/layout/sidebar.tsx
@@ -54,13 +54,14 @@ const PURCHASING_STAFF: NavItem[] = [
   { href: "/inventory/cart",    label: "Cart",          icon: ShoppingCart, roles: ["TECHNICAL", "MANNING", "SUPERUSER", "MANAGER"] },
 ];
 
-// Manager / Admin catalogue management — Sites conditionally shown
+// Manager catalogue management — Sites conditionally shown
+// Admin does not use Purchasing; their links live under Administration
 const PURCHASING_MGMT: NavItem[] = [
-  { href: "/inventory/vendors", label: "Vendors",      icon: Store,   roles: ["MANAGER", "ADMIN"] },
-  { href: "/inventory/items",   label: "Items",        icon: Package, roles: ["MANAGER", "ADMIN"] },
-  { href: "/admin/vessels",     label: "Cost Centres", icon: Ship,    roles: ["MANAGER", "ADMIN"] },
+  { href: "/inventory/vendors", label: "Vendors",      icon: Store,   roles: ["MANAGER"] },
+  { href: "/inventory/items",   label: "Items",        icon: Package, roles: ["MANAGER"] },
+  { href: "/admin/vessels",     label: "Cost Centres", icon: Ship,    roles: ["MANAGER"] },
   ...(INVENTORY_ENABLED
-    ? [{ href: "/admin/sites", label: "Sites", icon: MapPin, roles: ["MANAGER", "ADMIN"] as Role[] }]
+    ? [{ href: "/admin/sites", label: "Sites", icon: MapPin, roles: ["MANAGER"] as Role[] }]
     : []),
 ];
 
@@ -75,6 +76,7 @@ const MANAGER_ADMIN_ITEMS: NavItem[] = [
 
 // Full Administration section (ADMIN only)
 const ADMIN_ITEMS: NavItem[] = [
+  { href: "/admin/vessels",            label: "Cost Centres",      icon: Ship       },
   { href: "/admin/users",              label: "Users",             icon: Users      },
   { href: "/admin/superuser-requests", label: "SuperUser Requests",icon: ShieldCheck },
   { href: "/admin/accounts",           label: "Accounting Codes",  icon: Building2  },