diff --git a/application/src/tira_app/endpoints/v1/_anonymous.py b/application/src/tira_app/endpoints/v1/_anonymous.py
index 2de63888..f0b4a5a6 100644
--- a/application/src/tira_app/endpoints/v1/_anonymous.py
+++ b/application/src/tira_app/endpoints/v1/_anonymous.py
@@ -38,7 +38,6 @@ def read_anonymous_submission(request: Request, submission_uuid: str) -> Respons
 
 
 @check_permissions
-@check_resources_exist("json")
 def claim_submission(request: Request, vm_id: str, submission_uuid: str) -> Response:
 
     try:
diff --git a/application/test/api_access_matrix.py b/application/test/api_access_matrix.py
index d9a2ac33..5c16995a 100644
--- a/application/test/api_access_matrix.py
+++ b/application/test/api_access_matrix.py
@@ -2103,17 +2103,6 @@
             ORGANIZER_WRONG_TASK: 302,
         },
     ),
-    route_to_test(
-        url_pattern="v1/anonymous/claim/<str:vm_id>/<str:submission_uuid>",
-        params={"vm_id": "example_participant", "submission_uuid": "does-not-exist"},
-        group_to_expected_status_code={
-            ADMIN: 500,
-            GUEST: 302,
-            PARTICIPANT: 500,
-            ORGANIZER: 500,
-            ORGANIZER_WRONG_TASK: 302,
-        },
-    ),
     route_to_test(
         url_pattern="v1/datasets/",
         params={},