Index: Inc/i2c.h IDEA additional info: Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP <+>UTF-8 =================================================================== --- Inc/i2c.h (date 1511220966000) +++ Inc/i2c.h (revision ) @@ -67,7 +67,6 @@ /* USER CODE END Private defines */ -extern void _Error_Handler(char *, int); void MX_I2C1_Init(void); Index: Inc/spi.h IDEA additional info: Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP <+>UTF-8 =================================================================== --- Inc/spi.h (date 1511220966000) +++ Inc/spi.h (revision ) @@ -67,8 +67,6 @@ /* USER CODE END Private defines */ -extern void _Error_Handler(char *, int); - void MX_SPI1_Init(void); /* USER CODE BEGIN Prototypes */