diff --git a/src/devices/ph_control.py b/src/devices/ph_control.py
index 27c27bd..1da9477 100644
--- a/src/devices/ph_control.py
+++ b/src/devices/ph_control.py
@@ -19,7 +19,7 @@ def __init__(self, titrator):
         The constructor function for the PH Control class
         """
         self.titrator = titrator
-        self.use_pid = bool(True)
+        self.use_pid = True
         self._base_target_ph = 8.125
         self._current_target_ph = 8.5
         self._ph_function_type = PHControl.FLAT_TYPE  # Default to FLAT_TYPE
diff --git a/src/devices/thermal_control.py b/src/devices/thermal_control.py
index a2ba594..cc2bc77 100644
--- a/src/devices/thermal_control.py
+++ b/src/devices/thermal_control.py
@@ -19,7 +19,7 @@ def __init__(self, titrator):
         The constructor function for the ThermalControl class
         """
         self.titrator = titrator
-        self._heat = bool(True)
+        self._heat = True
         self._base_thermal_target = 78
         self._current_thermal_target = 67
         self._thermal_function_type = ThermalControl.FLAT_TYPE
diff --git a/src/ui_state/ui_state.py b/src/ui_state/ui_state.py
index 0892e35..f5ee3fe 100644
--- a/src/ui_state/ui_state.py
+++ b/src/ui_state/ui_state.py
@@ -61,7 +61,6 @@ def start(self):
         """
         Optional function that is called upon entering a new state
         """
-        pass
 
     def _set_next_state(self, state, update):
         """
diff --git a/src/ui_state/view_menu/view_ph.py b/src/ui_state/view_menu/view_ph.py
index 8ce1a78..c5c9c2b 100644
--- a/src/ui_state/view_menu/view_ph.py
+++ b/src/ui_state/view_menu/view_ph.py
@@ -29,7 +29,7 @@ def loop(self):
         """
         Rotate display between header/values and pH function/type variables every 3 seconds.
         """
-        elapsed = int(((time.monotonic() - self._start_time) / 3.0)) % 2
+        elapsed = int((time.monotonic() - self._start_time) / 3.0) % 2
         if elapsed == 0:
             self.load_header(line=1)
             self.load_values(line=2)
diff --git a/src/ui_state/view_menu/view_pid_constants.py b/src/ui_state/view_menu/view_pid_constants.py
index 9ac57c5..4c88e1b 100644
--- a/src/ui_state/view_menu/view_pid_constants.py
+++ b/src/ui_state/view_menu/view_pid_constants.py
@@ -29,7 +29,7 @@ def loop(self):
         """
         Rotate display between Kp/Ki and Kd/PID every 3 seconds.
         """
-        elapsed = int(((time.monotonic() - self._start_time) / 3.0)) % 2
+        elapsed = int((time.monotonic() - self._start_time) / 3.0) % 2
         if elapsed == 0:
             self.load_kp()
             self.load_ki()