diff --git a/flight/pios/stm32f30x/libraries/STM32F30x_StdPeriph_Driver/src/stm32f30x_adc.c b/flight/pios/stm32f30x/libraries/STM32F30x_StdPeriph_Driver/src/stm32f30x_adc.c
index 44da04dbc..af90b23c9 100755
--- a/flight/pios/stm32f30x/libraries/STM32F30x_StdPeriph_Driver/src/stm32f30x_adc.c
+++ b/flight/pios/stm32f30x/libraries/STM32F30x_StdPeriph_Driver/src/stm32f30x_adc.c
@@ -945,7 +945,7 @@ void ADC_AnalogWatchdog3SingleChannelConfig(ADC_TypeDef* ADCx, uint8_t ADC_Chann
   *   This parameter can be: ENABLE or DISABLE.
   * @retval None
   */
-void ADC_TempSensorCmd(ADC_TypeDef* ADCx, FunctionalState NewState)
+void ADC_TempSensorCmd(__attribute__((unused)) ADC_TypeDef* ADCx, FunctionalState NewState)
 {
   /* Check the parameters */
   assert_param(IS_FUNCTIONAL_STATE(NewState));
@@ -1010,7 +1010,7 @@ void ADC_VrefintCmd(ADC_TypeDef* ADCx, FunctionalState NewState)
   *   This parameter can be: ENABLE or DISABLE.
   * @retval None
   */
-void ADC_VbatCmd(ADC_TypeDef* ADCx, FunctionalState NewState)
+void ADC_VbatCmd(__attribute__((unused)) ADC_TypeDef* ADCx, FunctionalState NewState)
 {
   /* Check the parameters */
   assert_param(IS_FUNCTIONAL_STATE(NewState));
diff --git a/flight/pios/stm32f30x/libraries/STM32F30x_StdPeriph_Driver/src/stm32f30x_hrtim.c b/flight/pios/stm32f30x/libraries/STM32F30x_StdPeriph_Driver/src/stm32f30x_hrtim.c
index 4e2cd3e7d..40e3bd7a6 100755
--- a/flight/pios/stm32f30x/libraries/STM32F30x_StdPeriph_Driver/src/stm32f30x_hrtim.c
+++ b/flight/pios/stm32f30x/libraries/STM32F30x_StdPeriph_Driver/src/stm32f30x_hrtim.c
@@ -248,7 +248,7 @@ void HRTIM_SimpleBase_Init(HRTIM_TypeDef* HRTIMx, uint32_t TimerIdx, HRTIM_BaseI
   * @param  HRTIMx: pointer to HRTIMx peripheral 
   * @retval None
   */
-void HRTIM_DeInit(HRTIM_TypeDef* HRTIMx)
+void HRTIM_DeInit(__attribute__((unused)) HRTIM_TypeDef* HRTIMx)
 {
   /* Check the parameters */
     RCC_APB2PeriphResetCmd(RCC_APB2Periph_HRTIM1, ENABLE);
@@ -631,7 +631,7 @@ void HRTIM_SimplePWMStop(HRTIM_TypeDef * HRTIMx,
   */
 void HRTIM_SimpleCaptureStart(HRTIM_TypeDef * HRTIMx,
                                               uint32_t TimerIdx,
-                                              uint32_t CaptureChannel)
+                                              __attribute__((unused)) uint32_t CaptureChannel)
 {
   /* Enable the timer counter */
   __HRTIM_ENABLE(HRTIMx, TimerIdxToTimerId[TimerIdx]);
@@ -3208,7 +3208,7 @@ uint32_t HRTIM_WaveformGetOutputLevel(HRTIM_TypeDef * HRTIMx,
   * @retval Output state
   */
 uint32_t HRTIM_WaveformGetOutputState(HRTIM_TypeDef * HRTIMx,
-                                          uint32_t TimerIdx,
+                                          __attribute__((unused)) uint32_t TimerIdx,
                                           uint32_t Output)
 {
   uint32_t output_bit = 0;
diff --git a/flight/pios/stm32f30x/libraries/STM32F30x_StdPeriph_Driver/src/stm32f30x_syscfg.c b/flight/pios/stm32f30x/libraries/STM32F30x_StdPeriph_Driver/src/stm32f30x_syscfg.c
index e644d16e3..678771978 100755
--- a/flight/pios/stm32f30x/libraries/STM32F30x_StdPeriph_Driver/src/stm32f30x_syscfg.c
+++ b/flight/pios/stm32f30x/libraries/STM32F30x_StdPeriph_Driver/src/stm32f30x_syscfg.c
@@ -513,7 +513,7 @@ void SYSCFG_SRAMWRPEnable(uint32_t SYSCFG_SRAMWRP)
   *     @arg SYSCFG_FLAG_PE: SRAM parity error flag.
   * @retval The new state of SYSCFG_Flag (SET or RESET).
   */
-FlagStatus SYSCFG_GetFlagStatus(uint32_t SYSCFG_Flag)
+FlagStatus SYSCFG_GetFlagStatus(__attribute__((unused)) uint32_t SYSCFG_Flag)
 {
   FlagStatus bitstatus = RESET;