diff --git a/docs/images/.gitignore b/docs/images/.gitignore
index 756b22fa..e33609d2 100644
--- a/docs/images/.gitignore
+++ b/docs/images/.gitignore
@@ -1 +1 @@
-*.svg
+*.png
diff --git a/docs/images/deposit-delete-chart.png b/docs/images/deposit-delete-chart.png
deleted file mode 100644
index d9ba8ec4..00000000
Binary files a/docs/images/deposit-delete-chart.png and /dev/null differ
diff --git a/docs/images/deposit-delete-chart.uml b/docs/images/deposit-delete-chart.uml
index cde4df7f..19727df1 100644
--- a/docs/images/deposit-delete-chart.uml
+++ b/docs/images/deposit-delete-chart.uml
@@ -1,38 +1,33 @@
 @startuml
   participant CLIENT as "SWORD client\n(eg. HAL)"
   participant DEPOSIT as "swh-deposit"
   participant DEPOSIT_STORAGE as "deposit storage"
 
   activate CLIENT
   activate DEPOSIT
   activate DEPOSIT_STORAGE
 
   CLIENT ->> DEPOSIT: POST /1/<collection-name>/\nHEADER In-Progress: true
 
   DEPOSIT ->> DEPOSIT_STORAGE: check authentication
   DEPOSIT_STORAGE -->> DEPOSIT: return ok (if client exists and credentials ok)
 
   DEPOSIT -->> CLIENT: return 201, <deposit receipt>
 
-  loop while status is 'partial'
+  CLIENT -> DEPOSIT: DELETE /1/<collection-name>/<deposit-id>/media/\nDELETE /1/<collection-name>/<deposit-id>/metadata/
 
-    CLIENT -> DEPOSIT: DELETE /1/<collection-name>/<deposit-id>/media/\nDELETE /1/<collection-name>/<deposit-id>/metadata/
-
-    DEPOSIT ->> DEPOSIT_STORAGE: check authentication
-    DEPOSIT_STORAGE -->> DEPOSIT: return ok
-
-    DEPOSIT ->> DEPOSIT_STORAGE: check inputs()
+  DEPOSIT ->> DEPOSIT_STORAGE: check authentication
+  DEPOSIT_STORAGE -->> DEPOSIT: return ok
 
-    alt status is 'partial'
-      DEPOSIT_STORAGE -->> DEPOSIT: return ok
-      DEPOSIT ->> DEPOSIT_STORAGE: delete-deposit-or-deposit-archives()
-      DEPOSIT_STORAGE -->> DEPOSIT: return ok
-      DEPOSIT -->> CLIENT: return 204
-    else status is not 'partial'
-      DEPOSIT_STORAGE -->> DEPOSIT: return ko
-      DEPOSIT -->> CLIENT: return 400
-    end
+  DEPOSIT ->> DEPOSIT_STORAGE: check inputs()
 
+  alt status is 'partial'
+    DEPOSIT_STORAGE -->> DEPOSIT: return ok
+    DEPOSIT ->> DEPOSIT_STORAGE: delete-deposit-or-deposit-archives()
+    DEPOSIT_STORAGE -->> DEPOSIT: return ok
+    DEPOSIT -->> CLIENT: return 204
+  else status is not 'partial'
+    DEPOSIT_STORAGE -->> DEPOSIT: return ko
+    DEPOSIT -->> CLIENT: return 400, "You can only act on deposit with status partial"
   end
 @enduml
-