diff --git a/grudge/discretization.py b/grudge/discretization.py
index 20fc05053dd4cca70ee29b4909b045c52abc04e7..730c9d3e1b78038b33a5a86a39dc2f60a0d34e64 100644
--- a/grudge/discretization.py
+++ b/grudge/discretization.py
@@ -385,6 +385,8 @@ class PointsDiscretization(DiscretizationBase):
                 np.float64: np.complex128
         }[self.real_dtype.type])
 
+        self.mpi_communicator = None
+
     def ambient_dim(self):
         return self._nodes.shape[0]
 
@@ -399,6 +401,10 @@ class PointsDiscretization(DiscretizationBase):
     def nodes(self):
         return self._nodes
 
+    @property
+    def facial_adjacency_groups(self):
+        return []
+
     def discr_from_dd(self, dd):
         dd = sym.as_dofdesc(dd)