diff --git a/piker/clearing/_client.py b/piker/clearing/_client.py
index 74a56917..837c28bc 100644
--- a/piker/clearing/_client.py
+++ b/piker/clearing/_client.py
@@ -201,8 +201,8 @@ async def open_ems(
     # ready for order commands
     book = get_orders()
 
-    from ..data._source import uncons_fqsn
-    broker, symbol, suffix = uncons_fqsn(fqsn)
+    from ..data._source import unpack_fqsn
+    broker, symbol, suffix = unpack_fqsn(fqsn)
 
     async with maybe_open_emsd(broker) as portal:
 
diff --git a/piker/clearing/_ems.py b/piker/clearing/_ems.py
index 07de4a6b..c49ff4bf 100644
--- a/piker/clearing/_ems.py
+++ b/piker/clearing/_ems.py
@@ -1011,8 +1011,8 @@ async def _emsd_main(
     global _router
     assert _router
 
-    from ..data._source import uncons_fqsn
-    broker, symbol, suffix = uncons_fqsn(fqsn)
+    from ..data._source import unpack_fqsn
+    broker, symbol, suffix = unpack_fqsn(fqsn)
     dark_book = _router.get_dark_book(broker)
 
     # TODO: would be nice if in tractor we can require either a ctx arg,
diff --git a/piker/clearing/_paper_engine.py b/piker/clearing/_paper_engine.py
index 2ea639c0..99039049 100644
--- a/piker/clearing/_paper_engine.py
+++ b/piker/clearing/_paper_engine.py
@@ -32,7 +32,7 @@ from dataclasses import dataclass
 
 from .. import data
 from ..data._normalize import iterticks
-from ..data._source import uncons_fqsn
+from ..data._source import unpack_fqsn
 from ..log import get_logger
 from ._messages import (
     BrokerdCancel, BrokerdOrder, BrokerdOrderAck, BrokerdStatus,
@@ -500,7 +500,7 @@ async def open_paperboi(
     its context.
 
     '''
-    broker, symbol, expiry = uncons_fqsn(fqsn)
+    broker, symbol, expiry = unpack_fqsn(fqsn)
     service_name = f'paperboi.{broker}'
 
     async with (
diff --git a/piker/data/_source.py b/piker/data/_source.py
index a9efc8cd..9c760bc6 100644
--- a/piker/data/_source.py
+++ b/piker/data/_source.py
@@ -92,7 +92,7 @@ def ohlc_zeros(length: int) -> np.ndarray:
     return np.zeros(length, dtype=base_ohlc_dtype)
 
 
-def uncons_fqsn(fqsn: str) -> tuple[str, str, str]:
+def unpack_fqsn(fqsn: str) -> tuple[str, str, str]:
     '''
     Unpack a fully-qualified-symbol-name to ``tuple``.
 
@@ -178,7 +178,7 @@ class Symbol(BaseModel):
     # XXX: like wtf..
     # ) -> 'Symbol':
     ) -> None:
-        broker, key, suffix = uncons_fqsn(fqsn)
+        broker, key, suffix = unpack_fqsn(fqsn)
         return cls.from_broker_info(
             broker,
             key,
diff --git a/piker/data/feed.py b/piker/data/feed.py
index 9389daa3..260cab9b 100644
--- a/piker/data/feed.py
+++ b/piker/data/feed.py
@@ -51,7 +51,7 @@ from .ingest import get_ingestormod
 from ._source import (
     base_iohlc_dtype,
     Symbol,
-    uncons_fqsn,
+    unpack_fqsn,
 )
 from ..ui import _search
 from ._sampling import (
@@ -672,7 +672,7 @@ async def open_feed(
     '''
     fqsn = fqsns[0].lower()
 
-    brokername, key, suffix = uncons_fqsn(fqsn)
+    brokername, key, suffix = unpack_fqsn(fqsn)
     bfqsn = fqsn.replace('.' + brokername, '')
 
     try: