diff --git a/pmd_beamphysics/wavefront.py b/pmd_beamphysics/wavefront.py
index 8ee25cc..6c89b7b 100644
--- a/pmd_beamphysics/wavefront.py
+++ b/pmd_beamphysics/wavefront.py
@@ -1075,11 +1075,6 @@ def grid(self) -> tuple[int, ...]:
         """The rmesh shape, without padding."""
         return self._grid
 
-    @property
-    def rmesh_shape(self) -> tuple[int, ...]:
-        """The rmesh shape, without padding."""
-        return self._grid
-
     @property
     def pad(self) -> tuple[int, ...]:
         """
@@ -1121,10 +1116,6 @@ def kspace_domain(self) -> tuple[np.ndarray, ...]:
             shifted=True,
         )
 
-    @property
-    def _k_center_indices(self) -> tuple[int, ...]:
-        return tuple(grid // 2 + pad for grid, pad in zip(self.rmesh.shape, self.pad))
-
     @property
     def rmesh(self) -> np.ndarray:
         """Real-space (cartesian space) wavefront field data."""
@@ -1246,7 +1237,7 @@ def grid_spacing(self) -> tuple[float, ...]:
     @property
     def ranges(self):
         """
-        Get the physical range the entire mesh represents in (low, high) pairs
+        Get the physical range the entire rmesh represents in (low, high) pairs
         for each dimension.
 
         Returns
@@ -2173,7 +2164,7 @@ def drift(wf: Wavefront, distance: float) -> Wavefront:
     #     for idx, label in enumerate(wf.axis_labels)
     #     if label != wf.longitudinal_axis
     # ]
-    indices = [0, 1]
+    indices = (0, 1)
     transverse_kspace_grid = nd_kspace_mesh(
         coeffs=(1.0,) * len(wf.grid),
         sizes=[wf.rmesh.shape[idx] for idx in indices],