diff --git a/components/pid/temp_controller_base.py b/components/pid/temp_controller_base.py
index 4233acc..56e2141 100644
--- a/components/pid/temp_controller_base.py
+++ b/components/pid/temp_controller_base.py
@@ -89,6 +89,12 @@ class TempControllerBase(APid):
 	def post_pid(self):
 		pass
 
+	def set_ambient_temperature(self, theta_amb):
+		pass
+
+	def set_model_plant_params(self, model_params):
+		pass
+
 	def set_model_power(self, power):
 		pass
 
diff --git a/components/sud_forecast.py b/components/sud_forecast.py
index 680e7f6..cdb3666 100644
--- a/components/sud_forecast.py
+++ b/components/sud_forecast.py
@@ -108,8 +108,7 @@ class SudForecastEstimator:
 		pot.initial(start_theta)
 		tc = PidFactory.create(self.pid_type, self.dt)
 		tc.set_params(self.tempctrl_params)
-		if hasattr(tc, 'set_ambient_temperature'):
-			tc.set_ambient_temperature(self.theta_amb)
+		tc.set_ambient_temperature(self.theta_amb)
 		tc.set_enabled(True)
 		tc.set_theta_ist(pot.get_temperature())
 		# Seed the target at start_theta - this tc is a fresh, throwaway
@@ -159,8 +158,7 @@ class SudForecastEstimator:
 			step_starts.setdefault(sud.index, t[-1])
 			params = sud.derive_plant_params(step.get('grain_mass', 0), step.get('water_mass', 0))
 			pot.set_plant_params(params)
-			if hasattr(tc, 'set_model_plant_params'):
-				tc.set_model_plant_params(params)
+			tc.set_model_plant_params(params)
 			if sud.state == SudState.RAMPING and step['temperature'] is not None:
 				tc.set_theta_soll(step['temperature'])
 				tc.set_heatrate_soll(step['ramp']['rate'])
diff --git a/server/brewpi.py b/server/brewpi.py
index a1ba51e..f5b53c3 100755
--- a/server/brewpi.py
+++ b/server/brewpi.py
@@ -118,8 +118,7 @@ if __name__ == '__main__':
 	# ever coming from a Sud's own doc.
 	tc = PidFactory.create(config['Controller']['pid_type'], DT)
 	tc.set_params(config['TempCtrl'])
-	if hasattr(tc, 'set_ambient_temperature'):
-		tc.set_ambient_temperature(theta_amb)
+	tc.set_ambient_temperature(theta_amb)
 	tc_task = TcTask(tc, DT_TASK, dispatcher.msgio_get("TempCtrl"))
 	taskmgr.add(tc_task)
 
@@ -171,8 +170,7 @@ if __name__ == '__main__':
 		if 'AmbientTemp' in data:
 			theta_amb = data['AmbientTemp']
 			pot.set_ambient_temperature(theta_amb)
-			if hasattr(tc, 'set_ambient_temperature'):
-				tc.set_ambient_temperature(theta_amb)
+			tc.set_ambient_temperature(theta_amb)
 			forecast_estimator.set_ambient_temperature(theta_amb)
 			await msg_system.send({'AmbientTemp': theta_amb})
 	msg_system.set_recv_handler(on_system_recv)
diff --git a/tasks/sud.py b/tasks/sud.py
index d4b1bd7..3e43aca 100644
--- a/tasks/sud.py
+++ b/tasks/sud.py
@@ -124,8 +124,7 @@ class SudTask(ATask):
 		not just once a run actually starts."""
 		params = self.sud.derive_plant_params(grain_mass, water_mass)
 		self.pot.set_plant_params(params)
-		if hasattr(self.tc, 'set_model_plant_params'):
-			self.tc.set_model_plant_params(params)
+		self.tc.set_model_plant_params(params)
 
 	def apply_stirrer(self, phase):
 		stirrer_cfg = phase.get('stirrer', {})