diff --git a/xbout/boutdataarray.py b/xbout/boutdataarray.py
index 124d79dc..6efa326a 100644
--- a/xbout/boutdataarray.py
+++ b/xbout/boutdataarray.py
@@ -1166,8 +1166,8 @@ def as_cherab_emitter(
             parent=parent,
             cylinder_zmin=cylinder_zmin,
             cylinder_zmax=cylinder_zmax,
-            cylinder_rmin=cyliner_rmin,
-            cylinder_rmax=cyliner_rmax,
+            cylinder_rmin=cylinder_rmin,
+            cylinder_rmax=cylinder_rmax,
             step=step,
         )
 
diff --git a/xbout/cherab/grid.py b/xbout/cherab/grid.py
index b74f5213..afdb6f36 100644
--- a/xbout/cherab/grid.py
+++ b/xbout/cherab/grid.py
@@ -31,9 +31,6 @@ def da_with_cherab_grid(da):
     if da.sizes["zeta"] != 1:
         raise ValueError("xhermes.plotting.cherab: Zeta index must have size 1")
 
-    nx = da.sizes["x"]
-    ny = da.sizes["theta"]
-
     # Cell corners
     rm = np.stack(
         (
diff --git a/xbout/cherab/triangulate.py b/xbout/cherab/triangulate.py
index a26f73a1..1c3c1dda 100644
--- a/xbout/cherab/triangulate.py
+++ b/xbout/cherab/triangulate.py
@@ -7,7 +7,6 @@
 """
 
 import numpy as np
-import xarray as xr
 
 
 class TriangularData: