diff --git a/source/Core/BSP/BSP_Power.h b/source/Core/BSP/BSP_Power.h
index 02ce36f7..37359bc9 100644
--- a/source/Core/BSP/BSP_Power.h
+++ b/source/Core/BSP/BSP_Power.h
@@ -19,10 +19,6 @@ void power_check();
 // Returns the tip resistance in x10 ohms, so 7.5 = 75; 14=140 etc
 uint8_t getTipResitanceX10();
 
-// Called when device is idle to allow measuring tip resistance
-void startMeasureTipResistance();
-void FinishMeasureTipResistance();
-
 #ifdef __cplusplus
 }
 #endif