diff --git a/src/images/TI-M_Basis/UC_org_admin.puml b/src/images/TI-M_Basis/UC_org_admin.puml
deleted file mode 100644
index ae2395e5..00000000
--- a/src/images/TI-M_Basis/UC_org_admin.puml
+++ /dev/null
@@ -1,51 +0,0 @@
-@startuml
-/'
-# TI-Messenger 1.1
-# TI-Messenger-Dienst
-# Use Case Diagram
-# Name: Org-Admin - Anwendungsfaelle
-'/
-!pragma layout smetana
-
-skinparam actorStyle awesome
-left to right direction
-scale 6/3
-
-skinparam sequence {
-ArrowColor black
-ArrowFontSize 17
-ActorBorderColor black
-LifeLineBorderColor black
-LifeLineBackgroundColor Gainsboro
-
-ParticipantBorderColor Motivation
-ParticipantBackgroundColor Motivation
-ParticipantFontName Impact
-ParticipantFontSize 20
-ParticipantFontColor black
-ParticipantBorderColor Black
-ParticipantBackgroundColor MOTIVATION
-
-ActorBackgroundColor Gainsboro
-ActorFontColor black
-ActorFontSize 13
-ActorFontName Aapex
-}
-
-package Rolle {
-  actor "Org-Admin" as oa
-}
-
-package Anwendungsfälle {
-  usecase "**<<AF_10103>>** \nAuthentisieren einer Organisation \nam TI-Messenger-Dienst" as UC1 #AliceBlue
-  usecase "**<<AF_10060>>** \nBereitstellung eines Messenger-Service \nfür eine Organisation" as UC2 #AliceBlue
-}
-
-oa --> UC1
-oa --> UC2
-
-note top of (oa)
-  z. B. Beauftragter Mitarbeiter in einer
-  Organisation
-end note
-@enduml
diff --git a/src/images/TI-M_Basis/UC_user.puml b/src/images/TI-M_Basis/UC_user.puml
deleted file mode 100644
index 318d5f3f..00000000
--- a/src/images/TI-M_Basis/UC_user.puml
+++ /dev/null
@@ -1,59 +0,0 @@
-/' 
-# TI-Messenger 1.1
-# TI-Messenger-Dienst
-# Use Case Diagram
-# Name: User / User-HBA - Anwendungsfaelle
-'/
-
-@startuml
-!pragma layout smetana
-skinparam actorStyle awesome
-left to right direction
-scale 6/3
-
-skinparam sequence {
-ArrowColor black
-ArrowFontSize 17
-ActorBorderColor black
-LifeLineBorderColor black
-LifeLineBackgroundColor Gainsboro
-
-ParticipantBorderColor Motivation
-ParticipantBackgroundColor Motivation
-ParticipantFontName Impact
-ParticipantFontSize 20
-ParticipantFontColor black
-ParticipantBorderColor Black
-ParticipantBackgroundColor MOTIVATION
-
-ActorBackgroundColor Gainsboro
-ActorFontColor black
-ActorFontSize 13
-ActorFontName Aapex
-}
-
-package Rolle {
-actor "User" as u
-}
-
-package Anwendungsfälle {
-usecase "**<<AF_10057>>** \nAnmeldung eines Akteurs am \nMessenger-Service" as UC1
-usecase "**<<AF_10104>>** \nEinladung von Akteuren \ninnerhalb einer Organisation" as UC2 #AliceBlue
-usecase "**<<AF_10063>>** \nAustausch von Events \nzwischen Akteuren \ninnerhalb einer Organisation" as UC3 #AliceBlue
-usecase "**<<AF_10061>>** \nEinladung von Akteuren \naußerhalb einer Organisation" as UC4 #Ivory
-usecase "**<<AF_10062>>** \nAustausch von Events \nzwischen Akteuren \naußerhalb einer Organisation" as UC5 #Ivory
-usecase "**<<AF_10235>>** \nEinträge im VZD-FHIR-Directory suchen" as UC6 #IndianRed
-}
-
-u --> UC1
-u --> UC2
-u --> UC3
-u --> UC4
-u --> UC5
-u --> UC6
-
-note bottom of (u)
-Akteur im Gesundheitswesen
-end note
-
-@enduml