diff --git a/src/galax/utils/dataclasses.py b/src/galax/utils/dataclasses.py
index 18f11fab..95c04800 100644
--- a/src/galax/utils/dataclasses.py
+++ b/src/galax/utils/dataclasses.py
@@ -21,15 +21,9 @@
 )
 
 import astropy.units as u
-import jax.numpy as jnp
 from equinox._module import _has_dataclass_init, _ModuleMeta
-from jax.dtypes import canonicalize_dtype
-from jaxtyping import Array, Float
 from typing_extensions import ParamSpec, Unpack
 
-import quaxed.array_api as xp
-from unxt import Quantity
-
 import galax.typing as gt
 
 if TYPE_CHECKING:
@@ -264,24 +258,6 @@ def __new__(  # noqa: D102  # pylint: disable=signature-differs
         return cls
 
 
-##############################################################################
-# Converters
-
-
-@ft.singledispatch
-def converter_float_array(x: Any, /) -> Float[Array, "*shape"]:
-    """Convert to a batched vector."""
-    x = xp.asarray(x, dtype=None)
-    dtype = jnp.promote_types(x.dtype, canonicalize_dtype(float))
-    return xp.asarray(x, dtype=dtype)
-
-
-@converter_float_array.register
-def _converter_float_quantity(x: Quantity, /) -> Float[Array, "*shape"]:
-    """Convert to a batched vector."""
-    return converter_float_array(x.to_units_value(u.dimensionless_unscaled))
-
-
 ##############################################################################
 # Utils
 
diff --git a/tests/unit/utils/test_collections.py b/tests/unit/utils/test_collections.py
index 427bb8e5..1a40a2f7 100644
--- a/tests/unit/utils/test_collections.py
+++ b/tests/unit/utils/test_collections.py
@@ -86,6 +86,10 @@ def test_or(self, d: ImmutableDict[str, Any]) -> None:
         assert d | OrderedDict([("c", 3)]) == ImmutableDict(a=1, b=2, c=3)
         assert d | MappingProxyType({"c": 3}) == ImmutableDict(a=1, b=2, c=3)
 
+        # Should raise TypeError if not a mapping.
+        with pytest.raises(TypeError, match="unsupported operand type"):
+            _ = d | 1
+
     def test_ror(self, d: ImmutableDict[str, Any]) -> None:
         """Test `__ror__`."""
         # Reverse order