diff --git a/src/drivers/differential_pressure/ets/ets_airspeed.cpp b/src/drivers/differential_pressure/ets/ets_airspeed.cpp
index a9c022658d..5929ab82ac 100644
--- a/src/drivers/differential_pressure/ets/ets_airspeed.cpp
+++ b/src/drivers/differential_pressure/ets/ets_airspeed.cpp
@@ -237,24 +237,7 @@ ETSAirspeed::cycle()
 namespace ets_airspeed
 {
 
-ETSAirspeed	*g_dev;
-
-int bus_options[] = {
-#ifdef PX4_I2C_BUS_EXPANSION
-	PX4_I2C_BUS_EXPANSION,
-#endif
-#ifdef PX4_I2C_BUS_EXPANSION1
-	PX4_I2C_BUS_EXPANSION1,
-#endif
-#ifdef PX4_I2C_BUS_EXPANSION2
-	PX4_I2C_BUS_EXPANSION2,
-#endif
-#ifdef PX4_I2C_BUS_ONBOARD
-	PX4_I2C_BUS_ONBOARD,
-#endif
-};
-
-#define NUM_BUS_OPTIONS (sizeof(bus_options)/sizeof(bus_options[0]))
+ETSAirspeed	*g_dev = nullptr;
 
 int start();
 int start_bus(int i2c_bus);
@@ -273,8 +256,8 @@ int info();
 int
 start()
 {
-	for (unsigned i = 0; i < NUM_BUS_OPTIONS; i++) {
-		if (start_bus(bus_options[i]) == PX4_OK) {
+	for (unsigned i = 0; i < NUM_I2C_BUS_OPTIONS; i++) {
+		if (start_bus(i2c_bus_options[i]) == PX4_OK) {
 			return PX4_OK;
 		}
 	}
@@ -330,8 +313,6 @@ fail:
 		g_dev = nullptr;
 	}
 
-	PX4_WARN("not started on bus %d", i2c_bus);
-
 	return PX4_ERROR;
 }
 
diff --git a/src/drivers/differential_pressure/ms4525/ms4525_airspeed.cpp b/src/drivers/differential_pressure/ms4525/ms4525_airspeed.cpp
index 575740d917..3fe7856aa0 100644
--- a/src/drivers/differential_pressure/ms4525/ms4525_airspeed.cpp
+++ b/src/drivers/differential_pressure/ms4525/ms4525_airspeed.cpp
@@ -374,23 +374,6 @@ namespace meas_airspeed
 
 MEASAirspeed	*g_dev = nullptr;
 
-int bus_options[] = {
-#ifdef PX4_I2C_BUS_EXPANSION
-	PX4_I2C_BUS_EXPANSION,
-#endif
-#ifdef PX4_I2C_BUS_EXPANSION1
-	PX4_I2C_BUS_EXPANSION1,
-#endif
-#ifdef PX4_I2C_BUS_EXPANSION2
-	PX4_I2C_BUS_EXPANSION2,
-#endif
-#ifdef PX4_I2C_BUS_ONBOARD
-	PX4_I2C_BUS_ONBOARD,
-#endif
-};
-
-#define NUM_BUS_OPTIONS (sizeof(bus_options)/sizeof(bus_options[0]))
-
 int start();
 int start_bus(int i2c_bus);
 int stop();
@@ -407,8 +390,8 @@ int reset();
 int
 start()
 {
-	for (unsigned i = 0; i < NUM_BUS_OPTIONS; i++) {
-		if (start_bus(bus_options[i]) == PX4_OK) {
+	for (unsigned i = 0; i < NUM_I2C_BUS_OPTIONS; i++) {
+		if (start_bus(i2c_bus_options[i]) == PX4_OK) {
 			return PX4_OK;
 		}
 	}
@@ -465,8 +448,6 @@ fail:
 		g_dev = nullptr;
 	}
 
-	PX4_WARN("not started on bus %d", i2c_bus);
-
 	return PX4_ERROR;
 }
 
diff --git a/src/drivers/differential_pressure/ms5525/MS5525_main.cpp b/src/drivers/differential_pressure/ms5525/MS5525_main.cpp
index b0cf644e7b..b718a7f585 100644
--- a/src/drivers/differential_pressure/ms5525/MS5525_main.cpp
+++ b/src/drivers/differential_pressure/ms5525/MS5525_main.cpp
@@ -43,23 +43,6 @@ namespace ms5525_airspeed
 {
 MS5525 *g_dev = nullptr;
 
-int bus_options[] = {
-#ifdef PX4_I2C_BUS_EXPANSION
-	PX4_I2C_BUS_EXPANSION,
-#endif
-#ifdef PX4_I2C_BUS_EXPANSION1
-	PX4_I2C_BUS_EXPANSION1,
-#endif
-#ifdef PX4_I2C_BUS_EXPANSION2
-	PX4_I2C_BUS_EXPANSION2,
-#endif
-#ifdef PX4_I2C_BUS_ONBOARD
-	PX4_I2C_BUS_ONBOARD,
-#endif
-};
-
-#define NUM_BUS_OPTIONS (sizeof(bus_options)/sizeof(bus_options[0]))
-
 int start();
 int start_bus(uint8_t i2c_bus);
 int stop();
@@ -76,8 +59,8 @@ int reset();
 int
 start()
 {
-	for (unsigned i = 0; i < NUM_BUS_OPTIONS; i++) {
-		if (start_bus(bus_options[i]) == PX4_OK) {
+	for (unsigned i = 0; i < NUM_I2C_BUS_OPTIONS; i++) {
+		if (start_bus(i2c_bus_options[i]) == PX4_OK) {
 			return PX4_OK;
 		}
 	}
@@ -133,8 +116,6 @@ fail:
 		g_dev = nullptr;
 	}
 
-	PX4_WARN("not started on bus %d", i2c_bus);
-
 	return PX4_ERROR;
 }
 
diff --git a/src/drivers/differential_pressure/sdp3x/SDP3X_main.cpp b/src/drivers/differential_pressure/sdp3x/SDP3X_main.cpp
index 39844fce8f..f6b65b0847 100644
--- a/src/drivers/differential_pressure/sdp3x/SDP3X_main.cpp
+++ b/src/drivers/differential_pressure/sdp3x/SDP3X_main.cpp
@@ -42,23 +42,6 @@ namespace sdp3x_airspeed
 {
 SDP3X *g_dev = nullptr;
 
-int bus_options[] = {
-#ifdef PX4_I2C_BUS_EXPANSION
-	PX4_I2C_BUS_EXPANSION,
-#endif
-#ifdef PX4_I2C_BUS_EXPANSION1
-	PX4_I2C_BUS_EXPANSION1,
-#endif
-#ifdef PX4_I2C_BUS_EXPANSION2
-	PX4_I2C_BUS_EXPANSION2,
-#endif
-#ifdef PX4_I2C_BUS_ONBOARD
-	PX4_I2C_BUS_ONBOARD,
-#endif
-};
-
-#define NUM_BUS_OPTIONS (sizeof(bus_options)/sizeof(bus_options[0]))
-
 int start();
 int start_bus(uint8_t i2c_bus);
 int stop();
@@ -75,8 +58,8 @@ int reset();
 int
 start()
 {
-	for (unsigned i = 0; i < NUM_BUS_OPTIONS; i++) {
-		if (start_bus(bus_options[i]) == PX4_OK) {
+	for (unsigned i = 0; i < NUM_I2C_BUS_OPTIONS; i++) {
+		if (start_bus(i2c_bus_options[i]) == PX4_OK) {
 			return PX4_OK;
 		}
 	}
@@ -145,8 +128,6 @@ fail:
 		g_dev = nullptr;
 	}
 
-	PX4_WARN("not started on bus %d", i2c_bus);
-
 	return PX4_ERROR;
 }