diff --git a/test_runner/regress/test_tenant_delete.py b/test_runner/regress/test_tenant_delete.py
index 3a56ca51a6..7a0b2694b8 100644
--- a/test_runner/regress/test_tenant_delete.py
+++ b/test_runner/regress/test_tenant_delete.py
@@ -45,14 +45,11 @@ def test_tenant_delete_smoke(
         [
             # The deletion queue will complain when it encounters simulated S3 errors
             ".*deletion executor: DeleteObjects request failed.*",
+            # lucky race with stopping from flushing a layer we fail to schedule any uploads
+            ".*layer flush task.+: could not flush frozen layer: update_metadata_file",
         ]
     )
 
-    # lucky race with stopping from flushing a layer we fail to schedule any uploads
-    env.pageserver.allowed_errors.append(
-        ".*layer flush task.+: could not flush frozen layer: update_metadata_file"
-    )
-
     ps_http = env.pageserver.http_client()
 
     # first try to delete non existing tenant
@@ -194,11 +191,9 @@ def test_delete_tenant_exercise_crash_safety_failpoints(
     )
 
     if simulate_failures:
-        env.pageserver.allowed_errors.extend(
-            [
-                # The deletion queue will complain when it encounters simulated S3 errors
-                ".*deletion executor: DeleteObjects request failed.*",
-            ]
+        env.pageserver.allowed_errors.append(
+            # The deletion queue will complain when it encounters simulated S3 errors
+            ".*deletion executor: DeleteObjects request failed.*",
         )
 
     ps_http = env.pageserver.http_client()
@@ -293,6 +288,10 @@ def test_tenant_delete_is_resumed_on_attach(
     neon_env_builder.enable_pageserver_remote_storage(remote_storage_kind)
 
     env = neon_env_builder.init_start(initial_tenant_conf=MANY_SMALL_LAYERS_TENANT_CONFIG)
+    env.pageserver.allowed_errors.append(
+        # lucky race with stopping from flushing a layer we fail to schedule any uploads
+        ".*layer flush task.+: could not flush frozen layer: update_metadata_file"
+    )
 
     tenant_id = env.initial_tenant