diff --git a/system/Drivers/STM32F4xx_HAL_Driver/STM32F410Rx_User_Manual.chm b/system/Drivers/STM32F4xx_HAL_Driver/STM32F410Rx_User_Manual.chm deleted file mode 100644 index 88c9be1..0000000 Binary files a/system/Drivers/STM32F4xx_HAL_Driver/STM32F410Rx_User_Manual.chm and /dev/null differ diff --git a/system/Drivers/STM32F4xx_HAL_Driver/STM32F411xE_User_Manual.chm b/system/Drivers/STM32F4xx_HAL_Driver/STM32F411xE_User_Manual.chm deleted file mode 100644 index 37a1092..0000000 Binary files a/system/Drivers/STM32F4xx_HAL_Driver/STM32F411xE_User_Manual.chm and /dev/null differ diff --git a/system/Drivers/STM32F4xx_HAL_Driver/STM32F412Zx_User_Manual.chm b/system/Drivers/STM32F4xx_HAL_Driver/STM32F412Zx_User_Manual.chm deleted file mode 100644 index 14bdeba..0000000 Binary files a/system/Drivers/STM32F4xx_HAL_Driver/STM32F412Zx_User_Manual.chm and /dev/null differ diff --git a/system/Drivers/STM32F4xx_HAL_Driver/STM32F417xx_User_Manual.chm b/system/Drivers/STM32F4xx_HAL_Driver/STM32F417xx_User_Manual.chm deleted file mode 100644 index 8d575d4..0000000 Binary files a/system/Drivers/STM32F4xx_HAL_Driver/STM32F417xx_User_Manual.chm and /dev/null differ diff --git a/system/Drivers/STM32F4xx_HAL_Driver/STM32F423xx_User_Manual.chm b/system/Drivers/STM32F4xx_HAL_Driver/STM32F423xx_User_Manual.chm deleted file mode 100644 index 8279747..0000000 Binary files a/system/Drivers/STM32F4xx_HAL_Driver/STM32F423xx_User_Manual.chm and /dev/null differ diff --git a/system/Drivers/STM32F4xx_HAL_Driver/STM32F439xx_User_Manual.chm b/system/Drivers/STM32F4xx_HAL_Driver/STM32F439xx_User_Manual.chm deleted file mode 100644 index 724be97..0000000 Binary files a/system/Drivers/STM32F4xx_HAL_Driver/STM32F439xx_User_Manual.chm and /dev/null differ diff --git a/system/Drivers/STM32F4xx_HAL_Driver/STM32F446xx_User_Manual.chm b/system/Drivers/STM32F4xx_HAL_Driver/STM32F446xx_User_Manual.chm deleted file mode 100644 index 053baa9..0000000 Binary files a/system/Drivers/STM32F4xx_HAL_Driver/STM32F446xx_User_Manual.chm and /dev/null differ diff --git a/system/Drivers/STM32F4xx_HAL_Driver/STM32F479xx_User_Manual.chm b/system/Drivers/STM32F4xx_HAL_Driver/STM32F479xx_User_Manual.chm deleted file mode 100644 index 591799f..0000000 Binary files a/system/Drivers/STM32F4xx_HAL_Driver/STM32F479xx_User_Manual.chm and /dev/null differ