diff --git a/piker/brokers/ib/api.py b/piker/brokers/ib/api.py
index 8fc8c651..a5069e95 100644
--- a/piker/brokers/ib/api.py
+++ b/piker/brokers/ib/api.py
@@ -82,10 +82,7 @@ from piker.brokers._util import (
     get_logger,
 )
 
-# Broker specific ohlc schema which includes a vwap field
-_ohlc_dtype: list[tuple[str, type]] = [
-    ('index', int),
-
+_bar_load_dtype: list[tuple[str, type]] = [
     # NOTE XXX: only part that's diff
     # from our default fields where
     # time is normally an int.
@@ -99,9 +96,15 @@ _ohlc_dtype: list[tuple[str, type]] = [
     ('close', float),
     ('volume', float),
     ('count', int),
-    ('bar_wap', float),  # Wait do we need this?
 ]
 
+# Broker specific ohlc schema which includes a vwap field
+_ohlc_dtype: list[tuple[str, type]] = _bar_load_dtype.copy()
+_ohlc_dtype.insert(
+    0,
+    ('index', int),
+)
+
 
 _time_units = {
     's': ' sec',
@@ -317,7 +320,7 @@ def bars_to_np(bars: list) -> np.ndarray:
 
     nparr = np.array(
         np_ready,
-        dtype=_ohlc_dtype,
+        dtype=_bar_load_dtype,
     )
     assert nparr['time'][0] == bars[0].date.timestamp()
     assert nparr['time'][-1] == bars[-1].date.timestamp()
diff --git a/piker/brokers/kucoin.py b/piker/brokers/kucoin.py
index 2ab4a785..e3ef599e 100755
--- a/piker/brokers/kucoin.py
+++ b/piker/brokers/kucoin.py
@@ -455,7 +455,6 @@ class Client:
             ('low', float),
             ('close', float),
             ('volume', float),
-            ('bar_wap', float),  # will be zeroed by sampler if not filled
         ]
 
         '''
@@ -520,7 +519,7 @@ class Client:
                     # volume
                     float(bar[5]),
                     # bar_wap
-                    0.0,
+                    # 0.0,
                 )
             )
 
diff --git a/piker/data/_sampling.py b/piker/data/_sampling.py
index 20bf9b49..af8216c3 100644
--- a/piker/data/_sampling.py
+++ b/piker/data/_sampling.py
@@ -505,6 +505,7 @@ async def open_sample_stream(
             },
         ) as (ctx, first)
     ):
+        assert len(first) > 1
         async with (
             ctx.open_stream() as istream,
 
@@ -591,14 +592,14 @@ async def sample_and_broadcast(
                             'high',
                             'low',
                             'close',
-                            'bar_wap',  # can be optionally provided
+                            # 'bar_wap',  # can be optionally provided
                             'volume',
                         ]][-1] = (
                             o,
                             max(high, last),
                             min(low, last),
                             last,
-                            quote.get('bar_wap', 0),
+                            # quote.get('bar_wap', 0),
                             volume,
                         )
 
diff --git a/piker/data/_source.py b/piker/data/_source.py
index 7f739d7d..fc22d6f4 100644
--- a/piker/data/_source.py
+++ b/piker/data/_source.py
@@ -47,7 +47,7 @@ def_iohlcv_fields: list[tuple[str, type]] = [
     # TODO: can we elim this from default field set to save on mem?
     # i think only kraken really uses this in terms of what we get from
     # their ohlc history API?
-    ('bar_wap', float),  # shouldn't be default right?
+    # ('bar_wap', float),  # shouldn't be default right?
 ]
 
 # remove index field
diff --git a/piker/ui/_cursor.py b/piker/ui/_cursor.py
index 0a2c82b1..f69f503a 100644
--- a/piker/ui/_cursor.py
+++ b/piker/ui/_cursor.py
@@ -215,8 +215,8 @@ class ContentsLabel(pg.LabelItem):
             "<b>H</b>:{}<br/>"
             "<b>L</b>:{}<br/>"
             "<b>C</b>:{}<br/>"
-            "<b>V</b>:{}<br/>"
-            "<b>wap</b>:{}".format(
+            "<b>V</b>:{}<br/>".format(
+            # "<b>wap</b>:{}".format(
                 *array[ix][
                     [
                         'time',
@@ -225,7 +225,7 @@ class ContentsLabel(pg.LabelItem):
                         'low',
                         'close',
                         'volume',
-                        'bar_wap',
+                        # 'bar_wap',
                     ]
                 ],
                 # name=name,