diff --git a/src/main/asciidoc/models/design/catalog.puml b/src/main/asciidoc/models/design/catalog.puml
index 3535daa..334b060 100644
--- a/src/main/asciidoc/models/design/catalog.puml
+++ b/src/main/asciidoc/models/design/catalog.puml
@@ -6,11 +6,6 @@ package javax.money {
     class MonetaryAmount
 }
 
-package Spring {
-    interface Model
-    class Sort
-}
-
 package Salespoint {
     'https://st.inf.tu-dresden.de/SalesPoint/api//org/salespointframework/catalog/Catalog.html'
     interface Catalog << T > Product >> {
@@ -46,24 +41,9 @@ package catering.catalog {
     interface ConsumableCatalog {
         + DEFAULT_SORT : Sort
     }
-        RentableCatalog --o CatalogController : "-rentableCatalog"
         RentableCatalog ..> Catalog : "<bind> <T->Rentable"
-        ConsumableCatalog --o CatalogController : "-consumableCatalog"
         ConsumableCatalog ..> Catalog : "<bind> <T->Catalog"
 
-    class CatalogController {
-        + CatalogController()
-        + CatalogByEventategory(model : Model, form : Form) : String
-    }
-        CatalogController --> Inventory : "- inventory"
-        CatalogController ..> Model : "use"
-        CatalogController .> CatalogForm : "use"
-
-    class CatalogForm {
-        - query
-        + getQuery() : String
-    }
-
     class Consumable {
       - promotionPrice : MonetaryAmount
       - wholesalePrice : MonetaryAmount