diff --git a/conf/finaldata/dexorder-finaldata.toml b/conf/finaldata/dexorder-finaldata.toml
index a784184..18f5c34 100644
--- a/conf/finaldata/dexorder-finaldata.toml
+++ b/conf/finaldata/dexorder-finaldata.toml
@@ -2,4 +2,5 @@ metadata='metadata.json'  # mounted from a ConfigMap in the k8s yaml
 rpc_url = '${rpc_urls.finaldata}'
 ws_url = ''
 redis_url = ''
-ohlc_dir = '/ohlc'
\ No newline at end of file
+ohlc_dir = '/ohlc'
+walker_flush_interval=25
diff --git a/src/dexorder/bin/finaldata.py b/src/dexorder/bin/finaldata.py
index d39a3ed..05be146 100644
--- a/src/dexorder/bin/finaldata.py
+++ b/src/dexorder/bin/finaldata.py
@@ -42,19 +42,10 @@ async def handle_backfill_uniswap_swaps(swaps: list[EventData]):
 
 
 async def flush_callback():
-    # start = now()
-    # log.info("finalizing OHLC's")
-    # log.info(f'\ttook {(now() - start).total_seconds():.1f} seconds')
-    confirms = (config.confirms if config.confirms is not None else current_chain.get().confirms) - 1
     chain_id = current_chain.get().id
     fork = current_fork.get()
     block = await get_block(fork.height, chain_id=chain_id)
     time = from_timestamp(block.timestamp)
-    if latest_block[chain_id].height - fork.height <= 2*confirms:
-        log.info(f'forward filling to present time')
-        for addr, data in address_metadata.items():
-            if data['type'] == 'Pool' and data['exchange'] >= 0:
-                ohlcs.update(addr, time, None)
     log.info("flushing OHLC's")
     ohlcs.flush()
     log.info(f'backfill completed through block {block.height} {time:%Y-%m-%d %H:%M:%S} {hexstr(block.hash)}')
diff --git a/src/dexorder/ohlc.py b/src/dexorder/ohlc.py
index 74bd748..aff0cee 100644
--- a/src/dexorder/ohlc.py
+++ b/src/dexorder/ohlc.py
@@ -12,7 +12,6 @@ from decimal import InvalidOperation
 from typing import Optional, NamedTuple, Reversible, Union
 
 from cachetools import LFUCache
-from typing_extensions import deprecated
 
 from dexorder import dec, config, from_timestamp, timestamp, now, minutely
 from dexorder.base.chain import current_chain