diff --git a/os/Makefile b/os/Makefile
index d17939b4..9dd0f2b4 100644
--- a/os/Makefile
+++ b/os/Makefile
@@ -100,7 +100,6 @@ gdbserver: build
 	@qemu-system-riscv64 -machine virt -nographic -bios $(BOOTLOADER) -device loader,file=$(KERNEL_BIN),addr=$(KERNEL_ENTRY_PA) -s -S
 
 gdbclient:
-	@echo $(KERNEL_ELF)
 	@riscv64-unknown-elf-gdb -ex 'file $(KERNEL_ELF)' -ex 'set arch riscv:rv64' -ex 'target remote localhost:1234'
 
 .PHONY: build env kernel clean disasm disasm-vim run-inner switch-check gdbserver gdbclient