diff --git a/klippy/configfile.py b/klippy/configfile.py
index f099b563406d..2185f60680a3 100644
--- a/klippy/configfile.py
+++ b/klippy/configfile.py
@@ -189,7 +189,6 @@ def _find_autosave_data(self, data):
     comment_r = re.compile('[#;].*$')
     value_r = re.compile('[^A-Za-z0-9_].*$')
     def _strip_duplicates(self, data, config):
-        fileconfig = config.fileconfig
         # Comment out fields in 'data' that are defined in 'config'
         lines = data.split('\n')
         section = None
diff --git a/klippy/extras/dotstar.py b/klippy/extras/dotstar.py
index d75f438a795c..4186534fead6 100644
--- a/klippy/extras/dotstar.py
+++ b/klippy/extras/dotstar.py
@@ -10,7 +10,6 @@
 class PrinterDotstar:
     def __init__(self, config):
         self.printer = printer = config.get_printer()
-        name = config.get_name().split()[1]
         # Configure a software spi bus
         ppins = printer.lookup_object('pins')
         data_pin_params = ppins.lookup_pin(config.get('data_pin'))
diff --git a/klippy/extras/endstop_phase.py b/klippy/extras/endstop_phase.py
index feb9e8b8b082..2c7468bce3e0 100644
--- a/klippy/extras/endstop_phase.py
+++ b/klippy/extras/endstop_phase.py
@@ -191,7 +191,6 @@ def cmd_ENDSTOP_PHASE_CALIBRATE(self, gcmd):
     def generate_stats(self, stepper_name, phase_calc):
         phase_history = phase_calc.phase_history
         wph = phase_history + phase_history
-        count = sum(phase_history)
         phases = len(phase_history)
         half_phases = phases // 2
         res = []
diff --git a/klippy/extras/idle_timeout.py b/klippy/extras/idle_timeout.py
index 479c0b5c7999..6ab2a34a533a 100644
--- a/klippy/extras/idle_timeout.py
+++ b/klippy/extras/idle_timeout.py
@@ -45,7 +45,7 @@ def transition_idle_state(self, eventtime):
         self.state = "Printing"
         try:
             script = self.idle_gcode.render()
-            res = self.gcode.run_script(script)
+            self.gcode.run_script(script)
         except:
             logging.exception("idle timeout gcode execution")
             self.state = "Ready"
diff --git a/klippy/extras/input_shaper.py b/klippy/extras/input_shaper.py
index 7f37d302bd46..a628289ef2d0 100644
--- a/klippy/extras/input_shaper.py
+++ b/klippy/extras/input_shaper.py
@@ -59,7 +59,6 @@ def get_shaper(self):
         return self.n, self.A, self.T
     def update(self, gcmd):
         self.params.update(gcmd)
-        old_n, old_A, old_T = self.n, self.A, self.T
         self.n, self.A, self.T = self.params.get_shaper()
     def set_shaper_kinematics(self, sk):
         ffi_main, ffi_lib = chelper.get_ffi()
diff --git a/klippy/kinematics/hybrid_corexy.py b/klippy/kinematics/hybrid_corexy.py
index 26032039c016..1c2164eb745a 100644
--- a/klippy/kinematics/hybrid_corexy.py
+++ b/klippy/kinematics/hybrid_corexy.py
@@ -11,7 +11,6 @@
 class HybridCoreXYKinematics:
     def __init__(self, toolhead, config):
         self.printer = config.get_printer()
-        printer_config = config.getsection('printer')
         # itersolve parameters
         self.rails = [ stepper.PrinterRail(config.getsection('stepper_x')),
                        stepper.LookupMultiRail(config.getsection('stepper_y')),
diff --git a/klippy/kinematics/hybrid_corexz.py b/klippy/kinematics/hybrid_corexz.py
index e13c9aa4cb4a..0eaea117ed2a 100644
--- a/klippy/kinematics/hybrid_corexz.py
+++ b/klippy/kinematics/hybrid_corexz.py
@@ -11,7 +11,6 @@
 class HybridCoreXZKinematics:
     def __init__(self, toolhead, config):
         self.printer = config.get_printer()
-        printer_config = config.getsection('printer')
         # itersolve parameters
         self.rails = [ stepper.PrinterRail(config.getsection('stepper_x')),
                        stepper.LookupMultiRail(config.getsection('stepper_y')),
diff --git a/klippy/mcu.py b/klippy/mcu.py
index f9b547c94479..11dd84dd5988 100644
--- a/klippy/mcu.py
+++ b/klippy/mcu.py
@@ -654,7 +654,6 @@ def _send_config(self, prev_crc):
         self._config_cmds.insert(0, "allocate_oids count=%d"
                                  % (self._oid_count,))
         # Resolve pin names
-        mcu_type = self._serial.get_msgparser().get_constant('MCU')
         ppins = self._printer.lookup_object('pins')
         pin_resolver = ppins.get_pin_resolver(self._name)
         for cmdlist in (self._config_cmds, self._restart_cmds, self._init_cmds):
diff --git a/klippy/toolhead.py b/klippy/toolhead.py
index ce014365c6f9..83240acbb5e6 100644
--- a/klippy/toolhead.py
+++ b/klippy/toolhead.py
@@ -575,7 +575,6 @@ def register_step_generator(self, handler):
         self.step_generators.append(handler)
     def note_step_generation_scan_time(self, delay, old_delay=0.):
         self.flush_step_generation()
-        cur_delay = self.kin_flush_delay
         if old_delay:
             self.kin_flush_times.pop(self.kin_flush_times.index(old_delay))
         if delay: