diff --git a/roseau/load_flow_single/models/buses.py b/roseau/load_flow_single/models/buses.py
index a6a3c39..538efc0 100644
--- a/roseau/load_flow_single/models/buses.py
+++ b/roseau/load_flow_single/models/buses.py
@@ -134,7 +134,6 @@ def nominal_voltage(self, value: float | Q_[float] | None) -> None:
             value = None
         if value is None:
             if self._max_voltage_level is not None or self._min_voltage_level is not None:
-                print("hey")
                 warnings.warn(
                     message=(
                         f"The nominal voltage of the bus {self.id!r} is required to use `min_voltage_level` and "