diff --git a/DotUML/Diagramme_cas/diagramme_séquences b/DotUML/Diagramme_cas/diagramme_séquences
deleted file mode 100644
index 1185065..0000000
--- a/DotUML/Diagramme_cas/diagramme_séquences
+++ /dev/null
@@ -1,11 +0,0 @@
-SequenceDiagram [frame=true framecolor=steelblue label="Connexion nominale"] {
-  actor User
-  lifeline "OnlineBet" as web
-  lifeline "Bob : Personne" as person
- 
-  User --> web "connecte(bobleparieur@gmail.com,1234)"
-  activate web
-  web --> person "connecte(bobleparieur)"
-  person -r-> web "ok"
-  User <-r- web "connecté"
-}