diff --git a/klippy/extras/temperature_mcu.py b/klippy/extras/temperature_mcu.py
index 9167ff79d..a9b3cd64f 100644
--- a/klippy/extras/temperature_mcu.py
+++ b/klippy/extras/temperature_mcu.py
@@ -55,9 +55,6 @@ def __init__(self, config):
                 range_check_count=self._danger_check_count,
             )
             return
-        self.printer.register_event_handler(
-            "klippy:mcu_identify", self._mcu_identify
-        )
         self.mcu_adc.get_mcu().register_config_callback(self._build_config)
 
     def setup_callback(self, temperature_callback):
@@ -80,9 +77,6 @@ def calc_adc(self, temp):
     def calc_base(self, temp, adc):
         return temp - adc * self.slope
 
-    def _mcu_identify(self):
-        self._build_config()
-
     def _build_config(self):
         # Obtain mcu information
         _mcu = self.mcu_adc.get_mcu()
@@ -136,6 +130,7 @@ def _build_config(self):
             maxval=max(adc_range),
             range_check_count=self._danger_check_count,
         )
+        self.mcu_adc._build_config()
 
     def config_unknown(self):
         raise self.printer.config_error(