diff --git a/selfdrive/thermald/power_monitoring.py b/selfdrive/thermald/power_monitoring.py
index c790f8d60b..485ebd2dee 100644
--- a/selfdrive/thermald/power_monitoring.py
+++ b/selfdrive/thermald/power_monitoring.py
@@ -169,13 +169,13 @@ class PowerMonitoring:
     return disable_charging
 
   # See if we need to shutdown
-  def should_shutdown(self, pandaState, offroad_timestamp, started_seen, LEON):
+  def should_shutdown(self, pandaState, offroad_timestamp, started_seen):
     if pandaState is None or offroad_timestamp is None:
       return False
 
     now = sec_since_boot()
     panda_charging = (pandaState.pandaState.usbPowerMode != log.PandaState.UsbPowerMode.client)
-    BATT_PERC_OFF = 10 if LEON else 3
+    BATT_PERC_OFF = 10
 
     should_shutdown = False
     # Wait until we have shut down charging before powering down
diff --git a/selfdrive/thermald/thermald.py b/selfdrive/thermald/thermald.py
index 776c93f36f..9f76980174 100755
--- a/selfdrive/thermald/thermald.py
+++ b/selfdrive/thermald/thermald.py
@@ -38,9 +38,9 @@ DISCONNECT_TIMEOUT = 5.  # wait 5 seconds before going offroad after disconnect
 
 prev_offroad_states: Dict[str, Tuple[bool, Optional[str]]] = {}
 
-LEON = False
 last_eon_fan_val = None
 
+
 def read_tz(x):
   if x is None:
     return 0
@@ -63,44 +63,24 @@ def read_thermal(thermal_config):
 
 
 def setup_eon_fan():
-  global LEON
-
   os.system("echo 2 > /sys/module/dwc3_msm/parameters/otg_switch")
 
-  bus = SMBus(7, force=True)
-  try:
-    bus.write_byte_data(0x21, 0x10, 0xf)   # mask all interrupts
-    bus.write_byte_data(0x21, 0x03, 0x1)   # set drive current and global interrupt disable
-    bus.write_byte_data(0x21, 0x02, 0x2)   # needed?
-    bus.write_byte_data(0x21, 0x04, 0x4)   # manual override source
-  except IOError:
-    print("LEON detected")
-    LEON = True
-  bus.close()
-
 
 def set_eon_fan(val):
-  global LEON, last_eon_fan_val
+  global last_eon_fan_val
 
   if last_eon_fan_val is None or last_eon_fan_val != val:
     bus = SMBus(7, force=True)
-    if LEON:
-      try:
-        i = [0x1, 0x3 | 0, 0x3 | 0x08, 0x3 | 0x10][val]
-        bus.write_i2c_block_data(0x3d, 0, [i])
-      except IOError:
-        # tusb320
-        if val == 0:
-          bus.write_i2c_block_data(0x67, 0xa, [0])
-          #bus.write_i2c_block_data(0x67, 0x45, [1<<2])
-        else:
-          #bus.write_i2c_block_data(0x67, 0x45, [0])
-          bus.write_i2c_block_data(0x67, 0xa, [0x20])
-          bus.write_i2c_block_data(0x67, 0x8, [(val - 1) << 6])
-    else:
-      bus.write_byte_data(0x21, 0x04, 0x2)
-      bus.write_byte_data(0x21, 0x03, (val*2)+1)
-      bus.write_byte_data(0x21, 0x04, 0x4)
+    try:
+      i = [0x1, 0x3 | 0, 0x3 | 0x08, 0x3 | 0x10][val]
+      bus.write_i2c_block_data(0x3d, 0, [i])
+    except IOError:
+      # tusb320
+      if val == 0:
+        bus.write_i2c_block_data(0x67, 0xa, [0])
+      else:
+        bus.write_i2c_block_data(0x67, 0xa, [0x20])
+        bus.write_i2c_block_data(0x67, 0x8, [(val - 1) << 6])
     bus.close()
     last_eon_fan_val = val
 
@@ -400,7 +380,7 @@ def thermald_thread():
     msg.deviceState.chargingDisabled = power_monitor.should_disable_charging(pandaState, off_ts)
 
     # Check if we need to shut down
-    if power_monitor.should_shutdown(pandaState, off_ts, started_seen, LEON):
+    if power_monitor.should_shutdown(pandaState, off_ts, started_seen):
       cloudlog.info(f"shutting device down, offroad since {off_ts}")
       # TODO: add function for blocking cloudlog instead of sleep
       time.sleep(10)