diff --git a/libraries/AP_BattMonitor/AP_BattMonitor_INA2xx.h b/libraries/AP_BattMonitor/AP_BattMonitor_INA2xx.h
index 096cc715c6..d70f963187 100644
--- a/libraries/AP_BattMonitor/AP_BattMonitor_INA2xx.h
+++ b/libraries/AP_BattMonitor/AP_BattMonitor_INA2xx.h
@@ -23,7 +23,6 @@ public:
     bool has_cell_voltages() const override { return false; }
     bool has_temperature() const override { return false; }
     bool has_current() const override { return true; }
-    bool reset_remaining(float percentage) override { return false; }
     bool get_cycle_count(uint16_t &cycles) const override { return false; }
 
     void init(void) override;
diff --git a/libraries/AP_BattMonitor/AP_BattMonitor_LTC2946.h b/libraries/AP_BattMonitor/AP_BattMonitor_LTC2946.h
index c3497e9df8..aa13b75d7e 100644
--- a/libraries/AP_BattMonitor/AP_BattMonitor_LTC2946.h
+++ b/libraries/AP_BattMonitor/AP_BattMonitor_LTC2946.h
@@ -18,7 +18,6 @@ public:
     bool has_cell_voltages() const override { return false; }
     bool has_temperature() const override { return false; }
     bool has_current() const override { return true; }
-    bool reset_remaining(float percentage) override { return false; }
     bool get_cycle_count(uint16_t &cycles) const override { return false; }
 
     virtual void init(void) override;