diff --git a/doc/All.ipynb b/doc/All.ipynb
index 23255f1..732f775 100644
--- a/doc/All.ipynb
+++ b/doc/All.ipynb
@@ -183,8 +183,7 @@
     "solver.set_boundary_side_set_from_bary(sideset)\n",
     "ps, ts, s = solver.get_boundary_sidesets()\n",
     "\n",
-    "col = np.zeros_like(s); col[s==2] = 2; col[s==3] = 3\n",
-    "mp.plot(ps, ts, col)"
+    "mp.plot(ps, ts, s)"
    ]
   },
   {
@@ -301,16 +300,8 @@
    },
    "outputs": [],
    "source": [
-    "adj, _ = igl.tet_tet_adjacency(t_uni)\n",
-    "\n",
-    "igl_faces = [[0,1,2], [0,1,3], [1,2,3], [2,0,3]]\n",
-    "surf = []\n",
-    "for t in range(adj.shape[0]):\n",
-    "    for f in range(adj.shape[1]):\n",
-    "        face = igl_faces[f]\n",
-    "        if adj[t, f] == -1:\n",
-    "            surf += [[t_uni[t, face[0]], t_uni[t, face[1]], t_uni[t, face[2]]]]\n",
-    "surf = np.array(surf)"
+    "surf = igl.boundary_facets(t_uni)\n",
+    "\n"
    ]
   },
   {