diff --git a/test_runner/fixtures/pageserver/allowed_errors.py b/test_runner/fixtures/pageserver/allowed_errors.py
index d7f682dad335..8b895dcd9299 100755
--- a/test_runner/fixtures/pageserver/allowed_errors.py
+++ b/test_runner/fixtures/pageserver/allowed_errors.py
@@ -86,6 +86,9 @@ def scan_pageserver_log_for_errors(
     # This is especially pronounced in tests that set small checkpoint
     # distances.
     ".*Flushed oversized open layer with size.*",
+    # During teardown, we stop the storage controller before the pageservers, so pageservers
+    # can experience connection errors doing background deletion queue work.
+    ".*WARN deletion backend: calling control plane generation validation API failed.*Connection refused.*",
 )