diff --git a/src/lib/drivers/device/nuttx/I2C.hpp b/src/lib/drivers/device/nuttx/I2C.hpp
index 2c3bafb6b5..70383b5c35 100644
--- a/src/lib/drivers/device/nuttx/I2C.hpp
+++ b/src/lib/drivers/device/nuttx/I2C.hpp
@@ -55,6 +55,8 @@ class __EXPORT I2C : public CDev
 
 public:
 
+	virtual int	init();
+
 	static int	set_bus_clock(unsigned bus, unsigned clock_hz);
 
 	static unsigned	int	_bus_clocks[BOARD_NUMBER_I2C_BUSES];
@@ -78,8 +80,6 @@ protected:
 	I2C(const char *name, const char *devname, int bus, uint16_t address, uint32_t frequency);
 	virtual ~I2C();
 
-	virtual int	init();
-
 	/**
 	 * Check for the presence of the device on the bus.
 	 */
diff --git a/src/lib/drivers/smbus/SMBus.cpp b/src/lib/drivers/smbus/SMBus.cpp
index 3d407ad95b..c04fedcacf 100644
--- a/src/lib/drivers/smbus/SMBus.cpp
+++ b/src/lib/drivers/smbus/SMBus.cpp
@@ -36,7 +36,6 @@
 SMBus::SMBus(int bus_num, uint16_t address) :
 	I2C("BATT_SMBUS_I2C", nullptr, bus_num, address, 100000)
 {
-	init();
 }
 
 SMBus::~SMBus()