diff --git a/ultranest/mlfriends.pyx b/ultranest/mlfriends.pyx
index 7ded1171..3458e0ef 100644
--- a/ultranest/mlfriends.pyx
+++ b/ultranest/mlfriends.pyx
@@ -379,7 +379,6 @@ def update_clusters(
     Clustering is performed on a transformed coordinate space (`tpoints`).
     Returned values are based on upoints.
     """
-    print(clusterids)
     if clusterids is None:
         clusterids = np.zeros(len(tpoints), dtype=int_dtype)
     return _update_clusters(upoints, tpoints, maxradiussq, clusterids)
diff --git a/ultranest/popstepsampler.py b/ultranest/popstepsampler.py
index 8cd11bf4..e607b6ee 100644
--- a/ultranest/popstepsampler.py
+++ b/ultranest/popstepsampler.py
@@ -953,7 +953,6 @@ def __next__(
                     nc += self.popsize
 
                     # Updating the pool of points based on the newly sampled points
-                    print(worker_running.dtype, status.dtype)
                     tleft, tright, worker_running, status, allu, allL, allp, n_discarded_it = update_vectorised_slice_sampler(
                         t, tleft, tright, proposed_L, proposed_u, proposed_p, worker_running, status, Lmin, self.shrink_factor,
                         allu, allL, allp, self.popsize)