diff --git a/chapter1/complex_mode.ipynb b/chapter1/complex_mode.ipynb
index 78a6efbb..15aa2e7d 100644
--- a/chapter1/complex_mode.ipynb
+++ b/chapter1/complex_mode.ipynb
@@ -273,7 +273,6 @@
     "import pyvista\n",
     "\n",
     "mesh.topology.create_connectivity(mesh.topology.dim, mesh.topology.dim)\n",
-    "p_mesh = pyvista.UnstructuredGrid(*dolfinx.plot.vtk_mesh(mesh, mesh.topology.dim))\n",
     "pyvista_cells, cell_types, geometry = dolfinx.plot.vtk_mesh(V)\n",
     "grid = pyvista.UnstructuredGrid(pyvista_cells, cell_types, geometry)\n",
     "grid.point_data[\"u_real\"] = uh.x.array.real\n",
diff --git a/chapter1/complex_mode.py b/chapter1/complex_mode.py
index 27a80ed6..83e8a2a8 100644
--- a/chapter1/complex_mode.py
+++ b/chapter1/complex_mode.py
@@ -184,7 +184,6 @@
 import pyvista
 
 mesh.topology.create_connectivity(mesh.topology.dim, mesh.topology.dim)
-p_mesh = pyvista.UnstructuredGrid(*dolfinx.plot.vtk_mesh(mesh, mesh.topology.dim))
 pyvista_cells, cell_types, geometry = dolfinx.plot.vtk_mesh(V)
 grid = pyvista.UnstructuredGrid(pyvista_cells, cell_types, geometry)
 grid.point_data["u_real"] = uh.x.array.real