diff --git a/test/fixtures/conversations.yml b/test/fixtures/conversations.yml
index 4a51ab95..0f3b083a 100644
--- a/test/fixtures/conversations.yml
+++ b/test/fixtures/conversations.yml
@@ -87,7 +87,7 @@ weather:
   last_assistant_message: weather_explained
 
 image_generation:
-  user: christoph
+  user: keith
   assistant: samantha
   title: Generating an image
   last_assistant_message: image_generation_explained
diff --git a/test/fixtures/users.yml b/test/fixtures/users.yml
index c8fa13c0..cb56107e 100644
--- a/test/fixtures/users.yml
+++ b/test/fixtures/users.yml
@@ -14,8 +14,3 @@ taylor:
   first_name: Taylor
   registered_at: 2024-05-31 08:40:05
   preferences: {}
-
-christoph:
-  first_name: Christoph
-  registered_at: 2024-08-25 08:08:08
-  preferences: {}