diff --git a/test_runner/regress/test_sharding.py b/test_runner/regress/test_sharding.py
index 86a6b7428b..6f8070e2ba 100644
--- a/test_runner/regress/test_sharding.py
+++ b/test_runner/regress/test_sharding.py
@@ -1810,3 +1810,11 @@ def test_sharding_gc(
         shard_gc_cutoff_lsn = Lsn(shard_index["metadata_bytes"]["latest_gc_cutoff_lsn"])
         log.info(f"Shard {shard_number} cutoff LSN: {shard_gc_cutoff_lsn}")
         assert shard_gc_cutoff_lsn == shard_0_gc_cutoff_lsn
+
+    for ps in env.pageservers:
+        # This is not okay, but it's not a scrubber bug: it's a pageserver issue that is exposed by
+        # the specific pattern of aggressive checkpointing+image layer generation + GC that this test does.
+        # TODO: remove when https://github.com/neondatabase/neon/issues/10720 is fixed
+        ps.allowed_errors.append(
+            ".*could not find data for key 020000000000000000000000000000000000.*"
+        )
diff --git a/test_runner/regress/test_storage_scrubber.py b/test_runner/regress/test_storage_scrubber.py
index 0f4e5688a9..46038ccbbb 100644
--- a/test_runner/regress/test_storage_scrubber.py
+++ b/test_runner/regress/test_storage_scrubber.py
@@ -312,6 +312,14 @@ def test_scrubber_physical_gc_ancestors(neon_env_builder: NeonEnvBuilder, shard_
     drop_local_state(env, tenant_id)
     workload.validate()
 
+    for ps in env.pageservers:
+        # This is not okay, but it's not a scrubber bug: it's a pageserver issue that is exposed by
+        # the specific pattern of aggressive checkpointing+image layer generation + GC that this test does.
+        # TODO: remove when https://github.com/neondatabase/neon/issues/10720 is fixed
+        ps.allowed_errors.append(
+            ".*could not find data for key 020000000000000000000000000000000000.*"
+        )
+
 
 def test_scrubber_physical_gc_timeline_deletion(neon_env_builder: NeonEnvBuilder):
     """