diff --git a/worksheet4/system_stm32f10x.d b/worksheet4/system_stm32f10x.d
deleted file mode 100644
index 0d16cc37b7f4de939ff02383d346bfe8785e6dc5..0000000000000000000000000000000000000000
--- a/worksheet4/system_stm32f10x.d
+++ /dev/null
@@ -1,6 +0,0 @@
-system_stm32f10x.o: \
- ../STM32F10x_StdPeriph_Lib_V3.5.0/Libraries/CMSIS/CM3/DeviceSupport/ST/STM32F10x/system_stm32f10x.c \
- ../STM32F10x_StdPeriph_Lib_V3.5.0/Libraries/CMSIS/CM3/DeviceSupport/ST/STM32F10x/stm32f10x.h \
- ../STM32F10x_StdPeriph_Lib_V3.5.0/Libraries/CMSIS/CM3/CoreSupport/core_cm3.h \
- ../STM32F10x_StdPeriph_Lib_V3.5.0/Libraries/CMSIS/CM3/DeviceSupport/ST/STM32F10x/system_stm32f10x.h \
- stm32f10x_conf.h