diff --git a/Makefile b/Makefile
index d7e640e..3e0ee51 100644
--- a/Makefile
+++ b/Makefile
@@ -6,9 +6,6 @@ test: lint
 install_test:
 	pip install -r tests/requirements.txt
 
-git-diff-check:
-	git diff --exit-code
-
 lint:
 	bash lint.sh
 
diff --git a/lint.sh b/lint.sh
index 742144b..891aa63 100644
--- a/lint.sh
+++ b/lint.sh
@@ -1,2 +1,2 @@
 pip install flake8
-flake8 . --exclude=.moban.d,docs,setup.py --builtins=unicode,xrange,long && python setup.py checkdocs
+flake8 --exclude=.moban.d,docs,setup.py   --builtins=unicode,xrange,long . && python setup.py checkdocs