diff --git a/Lab4/stm32l4xx_hal_rcc_ex.o b/Lab4/stm32l4xx_hal_rcc_ex.o
deleted file mode 100644
index eed7cfdec25793809a6d2f2ac037a42def0c750a..0000000000000000000000000000000000000000
Binary files a/Lab4/stm32l4xx_hal_rcc_ex.o and /dev/null differ