diff --git a/plugins/ui/src/deephaven/ui/components/table.py b/plugins/ui/src/deephaven/ui/components/table.py
index 512d687a9..bd886fa0f 100644
--- a/plugins/ui/src/deephaven/ui/components/table.py
+++ b/plugins/ui/src/deephaven/ui/components/table.py
@@ -18,7 +18,7 @@
 logger = logging.getLogger(__name__)
 
 
-@dataclass(kw_only=True)
+@dataclass()
 class TableFormat:
     """
     A formatting rule for a table.
@@ -44,7 +44,7 @@ class TableFormat:
     mode: TableDatabar | None = None
 
 
-@dataclass(kw_only=True)
+@dataclass()
 class TableDatabar:
     """
     A databar configuration for a table.