diff --git a/.babelrc b/.babelrc
deleted file mode 100644
index 9ef8066..0000000
--- a/.babelrc
+++ /dev/null
@@ -1,9 +0,0 @@
-{
-  "presets": [
-    ["env", {
-      "targets": {
-        "node": 6
-      }
-    }]
-  ]
-}
\ No newline at end of file
diff --git a/Makefile b/Makefile
deleted file mode 100644
index 4350564..0000000
--- a/Makefile
+++ /dev/null
@@ -1,52 +0,0 @@
-TESTS = test/*.test.js
-REPORTER = tap
-TIMEOUT = 3000
-MOCHA_OPTS =
-
-install:
-	@npm install --registry=http://registry.npm.taobao.org
-
-build:
-	@NODE_ENV=production ./node_modules/babel-cli/bin/babel.js -d lib/ src/
-
-test:
-	make build;
-	@NODE_ENV=test ./node_modules/mocha/bin/mocha \
-		--reporter $(REPORTER) \
-		--timeout $(TIMEOUT) \
-		--require should \
-		--require babel-core/register \
-		$(MOCHA_OPTS) \
-		$(TESTS)
-
-
-test-cov:
-	make build;
-	@NODE_ENV=test node \
-		node_modules/.bin/istanbul cover ./node_modules/.bin/_mocha \
-		-- -u exports \
-		--reporter $(REPORTER) \
-		--timeout $(TIMEOUT) \
-		--require should \
-		--require babel-core/register \
-		$(MOCHA_OPTS) \
-		$(TESTS)
-
-test-travis:
-	make build;
-	@NODE_ENV=test node \
-		node_modules/.bin/istanbul cover ./node_modules/.bin/_mocha \
-		--report lcovonly \
-		-- -u exports \
-		--reporter $(REPORTER) \
-		--timeout $(TIMEOUT) \
-		--require should \
-		--require babel-core/register \
-		$(MOCHA_OPTS) \
-		$(TESTS)
-
-autod:
-	@./node_modules/.bin/autod -w -e example --prefix=~ --keep=supertest,debug, --semver=koa@1
-	@$(MAKE) install
-
-.PHONY: test
diff --git a/package.json b/package.json
index 48b3304..dabaec7 100644
--- a/package.json
+++ b/package.json
@@ -7,9 +7,9 @@
   "engines": {
     "node": ">= 6.0.0"
   },
-  "main": "lib/session",
+  "main": "src/session",
   "files": [
-    "lib"
+    "src"
   ],
   "keywords": [
     "koa",
@@ -38,8 +38,5 @@
     "pedding": "^1.0.0",
     "should": "^11.2.1",
     "supertest": "^3.0.0"
-  },
-  "scripts": {
-    "prepublish": "make build"
   }
 }