diff --git a/saqc/funcs/spikes_detection.py b/saqc/funcs/spikes_detection.py
index 6d766466b499eb56654121515f14a2d474ff49c3..2bc7690aef30a9149044bb7b7540a0a7f6fbd05c 100644
--- a/saqc/funcs/spikes_detection.py
+++ b/saqc/funcs/spikes_detection.py
@@ -756,9 +756,6 @@ def spikes_flagGrubbs(data, field, flagger, winsz, alpha=0.05, min_periods=8, ch
             if partition.shape[0] > min_periods:
                 detected = smirnov_grubbs.two_sided_test_indices(partition['data'].values, alpha=alpha)
                 detected = partition['ts'].iloc[detected]
-                if not detected.empty:
-                    print(detected)
-                    print('stop')
                 to_flag_lagged[detected.index] = True
         to_flag = to_flag & to_flag_lagged