diff --git a/dev/test_mb_2024_0_mux_2024.py b/dev/test_mb_2024_0_mux_2024.py
index f5b367fae4afcb21c03edb8004736c7fd1058ee9..01a4e6487229d7a6a5894cd11647a825a733775c 100644
--- a/dev/test_mb_2024_0_mux_2024.py
+++ b/dev/test_mb_2024_0_mux_2024.py
@@ -58,7 +58,7 @@ if within_ohmpi:
     #k._hw.rx._bias = -1.38
     #print(f'Resistance: {k._hw.last_rho :.2f} ohm, dev. {k._hw.last_dev:.2f} %, rx bias: {k._hw.rx._bias:.2f} mV')
     # k._hw._plot_readings()
-    A, B, M, N = (28, 25, 27, 26)
+    A, B, M, N = (0, 0, 0, 0)
     # k._hw.switch_mux([A, B, M, N], state='on')
     # k._hw.vab_square_wave(12., cycle_duration=10., cycles=3)
     # k._hw.switch_mux([A, B, M, N], state='off')
diff --git a/ohmpi/ohmpi.py b/ohmpi/ohmpi.py
index 7dcc396bcdd1e2e6212271b4fb505ab8064bf2e4..44c707381fc096542a89dd7c46dc7d9cd92c0cb0 100644
--- a/ohmpi/ohmpi.py
+++ b/ohmpi/ohmpi.py
@@ -784,7 +784,6 @@ class OhmPi(object):
             Bypasses checks for A==M or A==M or B==M or B==N (i.e. used for rs-check)
         """
         assert len(quadrupole) == 4
-        print(quadrupole)
         if (self._hw.tx.pwr.voltage > self._hw.rx._voltage_max) and bypass_check:
             self.exec_logger.warning('Cannot bypass checking electrode roles because tx pwr voltage is over rx maximum voltage')
             self.exec_logger.debug(f'tx pwr voltage: {self._hw.tx.pwr.voltage}, rx max voltage: {self._hw.rx._voltage_max}')