diff --git a/src/msspec/utils.py b/src/msspec/utils.py
index afd2708..06d6207 100644
--- a/src/msspec/utils.py
+++ b/src/msspec/utils.py
@@ -270,8 +270,6 @@ def hemispherical_cluster(cluster, emitter_tag=0, emitter_plane=0, diameter=0, p
     c = cell[:, 2].max()    # a lattice parameter
     a = cell[:, 0].max()    # a lattice parameter
     p = np.alen(np.unique(np.round(cluster.get_positions()[:, 2], 4)))          # the number of planes in the cluster
-    with np.printoptions(threshold=np.inf):
-        print(cluster.get_tags() == emitter_tag)
     symbol = cluster[np.where(cluster.get_tags() == emitter_tag)[0][0]].symbol  # the symbol of your emitter
 
     assert (diameter != 0 or planes != 0), "At least one of diameter or planes parameter must be use."