diff --git a/lib/stm32/common/i2c_common_v2.c b/lib/stm32/common/i2c_common_v2.c
index 01180cae..28752535 100644
--- a/lib/stm32/common/i2c_common_v2.c
+++ b/lib/stm32/common/i2c_common_v2.c
@@ -140,7 +140,6 @@ void i2c_set_own_7bit_slave_address(uint32_t i2c, uint8_t slave)
 {
 	I2C_OAR1(i2c) = (uint16_t)(slave << 1);
 	I2C_OAR1(i2c) &= ~I2C_OAR1_OA1MODE;
-	I2C_OAR1(i2c) |= (1 << 14); /* Datasheet: always keep 1 by software. */
 }
 
 /*---------------------------------------------------------------------------*/
@@ -148,8 +147,6 @@ void i2c_set_own_7bit_slave_address(uint32_t i2c, uint8_t slave)
  *
  * This sets an address for Slave mode operation, in 10 bit form.
  *
- * @todo add "I2C_OAR1(i2c) |= (1 << 14);" as above
- *
  * @param[in] i2c Unsigned int32. I2C register base address @ref i2c_reg_base.
  * @param[in] slave Unsigned int16. Slave address 0...1023.
  */