diff --git a/libs/pageserver_api/src/config.rs b/libs/pageserver_api/src/config.rs
index 50e0e9e504..e49d15ba87 100644
--- a/libs/pageserver_api/src/config.rs
+++ b/libs/pageserver_api/src/config.rs
@@ -442,12 +442,7 @@ impl Default for ConfigToml {
             tenant_config: TenantConfigToml::default(),
             no_sync: None,
             wal_receiver_protocol: DEFAULT_WAL_RECEIVER_PROTOCOL,
-            page_service_pipelining: PageServicePipeliningConfig::Pipelined(
-                PageServicePipeliningConfigPipelined {
-                    max_batch_size: NonZeroUsize::new(32).unwrap(),
-                    execution: PageServiceProtocolPipelinedExecutionStrategy::ConcurrentFutures,
-                },
-            ),
+            page_service_pipelining: PageServicePipeliningConfig::Serial,
         }
     }
 }