diff --git a/Makefile b/Makefile
index da6559f18faa27f7614731a04131cd061bed1fca..795500e80383f857ac0a4f6d9aad8bbfe13398be 100644
--- a/Makefile
+++ b/Makefile
@@ -4,3 +4,6 @@ all:
 	ghdl -e --ieee=synopsys -fexplicit MRstd_tb
 	./mrstd_tb --stop-time=1000ns --vcd=mrstd.vcd
 	gtkwave mrstd.vcd
+
+clean:
+	rm *.o *.vcd *.cf mrstd_tb