diff --git a/.github/pull_request_template.md b/.github/pull_request_template.md
index f7860f14b..cafb1dc6e 100644
--- a/.github/pull_request_template.md
+++ b/.github/pull_request_template.md
@@ -13,7 +13,7 @@ Fixes #
 Format of block header: <category> <target_group>
 Possible values:
 - category:       improvement|noteworthy
-- target_group:   user|operator
+- target_group:   user|operator|developer
 -->
 ```improvement operator
 
diff --git a/go.mod b/go.mod
index e90c3bd5c..0e5741412 100644
--- a/go.mod
+++ b/go.mod
@@ -10,7 +10,6 @@ require (
 	github.com/aws/aws-sdk-go v1.19.23
 	github.com/baiyubin/aliyun-sts-go-sdk v0.0.0-20180326062324-cfa1a18b161f // indirect
 	github.com/beorn7/perks v1.0.0 // indirect
-	github.com/boltdb/bolt v1.3.1
 	github.com/coreos/bbolt v1.3.2
 	github.com/coreos/etcd v3.3.13+incompatible
 	github.com/coreos/go-semver v0.3.0 // indirect
diff --git a/go.sum b/go.sum
index f254baca0..e246f265d 100644
--- a/go.sum
+++ b/go.sum
@@ -20,8 +20,6 @@ github.com/baiyubin/aliyun-sts-go-sdk v0.0.0-20180326062324-cfa1a18b161f/go.mod
 github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
 github.com/beorn7/perks v1.0.0 h1:HWo1m869IqiPhD389kmkxeTalrjNbbJTC8LXupb+sl0=
 github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
-github.com/boltdb/bolt v1.3.1 h1:JQmyP4ZBrce+ZQu0dY660FMfatumYDLun9hBCUVIkF4=
-github.com/boltdb/bolt v1.3.1/go.mod h1:clJnj/oiGkjum5o1McbSZDSLxVThjynRyGBgiAx27Ps=
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
 github.com/coreos/bbolt v1.3.2 h1:wZwiHHUieZCquLkDL0B8UhzreNWsPHooDAG3q34zk0s=
 github.com/coreos/bbolt v1.3.2/go.mod h1:iRUV2dpdMOn7Bo10OQBFzIJO9kkE559Wcmn+qkEiiKk=