diff --git a/python-spec/src/somacore/spatial.py b/python-spec/src/somacore/spatial.py
index 0373107..3879b77 100644
--- a/python-spec/src/somacore/spatial.py
+++ b/python-spec/src/somacore/spatial.py
@@ -537,7 +537,6 @@ def create(
             "y",
         ),
         data_axis_order: Optional[Sequence[str]] = None,
-        has_channel_axis: bool = True,
         platform_config: Optional[options.PlatformConfig] = None,
         context: Optional[Any] = None,
     ) -> Self: