diff --git a/libraries/AP_BattMonitor/AP_BattMonitor_INA239.h b/libraries/AP_BattMonitor/AP_BattMonitor_INA239.h
index c03eea23f8..3f5f87ee21 100644
--- a/libraries/AP_BattMonitor/AP_BattMonitor_INA239.h
+++ b/libraries/AP_BattMonitor/AP_BattMonitor_INA239.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; }
 
     void init(void) override;
diff --git a/libraries/AP_BattMonitor/AP_BattMonitor_INA2xx.h b/libraries/AP_BattMonitor/AP_BattMonitor_INA2xx.h
index 8418ca3073..3175388b40 100644
--- a/libraries/AP_BattMonitor/AP_BattMonitor_INA2xx.h
+++ b/libraries/AP_BattMonitor/AP_BattMonitor_INA2xx.h
@@ -19,7 +19,6 @@ 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 93b378d52d..e365c3aa11 100644
--- a/libraries/AP_BattMonitor/AP_BattMonitor_LTC2946.h
+++ b/libraries/AP_BattMonitor/AP_BattMonitor_LTC2946.h
@@ -16,7 +16,6 @@ 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;