diff --git a/libraries/AP_HAL_Linux/AnalogIn_ADS1115.h b/libraries/AP_HAL_Linux/AnalogIn_ADS1115.h
index 71a0dcafed..b9503559d9 100644
--- a/libraries/AP_HAL_Linux/AnalogIn_ADS1115.h
+++ b/libraries/AP_HAL_Linux/AnalogIn_ADS1115.h
@@ -12,8 +12,6 @@ public:
     float read_average() override;
     float read_latest() override;
     void set_pin(uint8_t p) override;
-    void set_stop_pin(uint8_t p) override {}
-    void set_settle_time(uint16_t settle_time_ms) override {}
     float voltage_average() override;
     float voltage_latest() override;
     float voltage_average_ratiometric() override;
diff --git a/libraries/AP_HAL_Linux/AnalogIn_IIO.cpp b/libraries/AP_HAL_Linux/AnalogIn_IIO.cpp
index fe00f1e93c..c566cea8df 100644
--- a/libraries/AP_HAL_Linux/AnalogIn_IIO.cpp
+++ b/libraries/AP_HAL_Linux/AnalogIn_IIO.cpp
@@ -114,12 +114,6 @@ void AnalogSource_IIO::set_pin(uint8_t pin)
     select_pin();
 }
 
-void AnalogSource_IIO::set_stop_pin(uint8_t p)
-{}
-
-void AnalogSource_IIO::set_settle_time(uint16_t settle_time_ms)
-{}
-
 AnalogIn_IIO::AnalogIn_IIO()
 {}
 
diff --git a/libraries/AP_HAL_Linux/AnalogIn_IIO.h b/libraries/AP_HAL_Linux/AnalogIn_IIO.h
index fbf80cde4f..962b05c5ad 100644
--- a/libraries/AP_HAL_Linux/AnalogIn_IIO.h
+++ b/libraries/AP_HAL_Linux/AnalogIn_IIO.h
@@ -28,8 +28,6 @@ public:
     float read_average() override;
     float read_latest() override;
     void set_pin(uint8_t p) override;
-    void set_stop_pin(uint8_t p) override;
-    void set_settle_time(uint16_t settle_time_ms) override;
     float voltage_average() override;
     float voltage_latest() override;
     float voltage_average_ratiometric() override { return voltage_average(); }
diff --git a/libraries/AP_HAL_Linux/AnalogIn_Navio2.h b/libraries/AP_HAL_Linux/AnalogIn_Navio2.h
index 4fb61ea179..ab191a1f7a 100644
--- a/libraries/AP_HAL_Linux/AnalogIn_Navio2.h
+++ b/libraries/AP_HAL_Linux/AnalogIn_Navio2.h
@@ -13,8 +13,6 @@ public:
     float read_average() override;
     float read_latest() override;
     void set_pin(uint8_t p) override;
-    void set_stop_pin(uint8_t p) override{}
-    void set_settle_time(uint16_t settle_time_ms) override{}
     float voltage_average() override;
     float voltage_latest() override;
     float voltage_average_ratiometric() override;