diff --git a/piker/brokers/binance.py b/piker/brokers/binance.py
index 778f3aac..69b55dc1 100644
--- a/piker/brokers/binance.py
+++ b/piker/brokers/binance.py
@@ -569,10 +569,7 @@ async def stream_quotes(
 
             # build out init msgs according to latest spec
             init_msgs.append(
-                FeedInit(
-                    mkt_info=mkt,
-                    shm_write_opts={'sum_tick_vml': False},
-                )
+                FeedInit(mkt_info=mkt)
             )
 
         iter_subids = itertools.count()
diff --git a/piker/brokers/kraken/feed.py b/piker/brokers/kraken/feed.py
index 4d496376..0cc24464 100644
--- a/piker/brokers/kraken/feed.py
+++ b/piker/brokers/kraken/feed.py
@@ -334,12 +334,7 @@ async def stream_quotes(
         for sym_str in symbols:
             mkt, pair = await get_mkt_info(sym_str)
             init_msgs.append(
-                FeedInit(
-                    mkt_info=mkt,
-                    shm_write_opts={
-                        'sum_tick_vml': False,
-                    },
-                )
+                FeedInit(mkt_info=mkt)
             )
 
             ws_pairs.append(pair.wsname)
diff --git a/piker/brokers/kucoin.py b/piker/brokers/kucoin.py
index 2f66d4eb..6da6496a 100755
--- a/piker/brokers/kucoin.py
+++ b/piker/brokers/kucoin.py
@@ -685,12 +685,7 @@ async def stream_quotes(
         for sym_str in symbols:
             mkt, pair = await get_mkt_info(sym_str)
             init_msgs.append(
-                FeedInit(
-                    mkt_info=mkt,
-                    shm_write_opts={
-                        'sum_tick_vml': False,
-                    },
-                )
+                FeedInit(mkt_info=mkt)
             )
 
         ws: NoBsWs