diff --git a/Makefile b/Makefile
index d9c6437..88b7916 100644
--- a/Makefile
+++ b/Makefile
@@ -37,8 +37,10 @@ $(OBJ_DIR)/%.o: $(SRC_DIR)/%.c
 
 clean:
 	$(RM) $(OBJ)
+	$(RM) $(TEST_OBJ)
 
 clean-all:
 	$(RM) $(OBJ)
+	$(RM) $(TEST_OBJ)
 	$(RM) $(EXE)
 	$(RM) $(TEST)