diff --git a/common.mk b/common.mk
index 2e13a39..284e4e8 100644
--- a/common.mk
+++ b/common.mk
@@ -32,6 +32,7 @@ $(NAME): $(OBJ)
 
 clean:
 	rm -f $(OBJ)
+	rm -f $(OBJ:.o=.d)
 
 fclean: clean
 	rm -f $(NAME)