diff --git a/.github/workflows/go.yml b/.github/workflows/go.yml
new file mode 100644
index 00000000..de59f364
--- /dev/null
+++ b/.github/workflows/go.yml
@@ -0,0 +1,41 @@
+name: Go
+on: [push]
+jobs:
+
+  test:
+    name: test
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        go: [ '1.11.x', '1.12.x', '1.13.x']
+    steps:
+
+    - name: Setup go
+      uses: actions/setup-go@v1
+      with:
+        go-version: ${{ matrix.go }}
+
+    - name: Check out code into the Go module directory
+      uses: actions/checkout@v1
+
+    - name: Set GOPATH
+      # temporary fix
+      # see https://github.com/actions/setup-go/issues/14
+      run: |
+        echo "##[set-env name=GOPATH;]$(dirname $GITHUB_WORKSPACE)"
+        echo "##[add-path]$(dirname $GITHUB_WORKSPACE)/bin"
+      shell: bash
+
+    - name: Get dependencies
+      run: | 
+        go get -u -v golang.org/x/lint/golint
+        go mod tidy -v
+
+    - name: Linter
+      run: golint -set_exit_status ./...
+
+    - name: Tests
+      run: go test -coverprofile=coverage.txt -covermode=atomic ./...
+
+    - name: Codecov
+      run: bash <(curl -s https://codecov.io/bash)
diff --git a/container/service.go b/container/service.go
index 527377a7..27f39e78 100644
--- a/container/service.go
+++ b/container/service.go
@@ -15,7 +15,7 @@ type (
 	UUID = refs.UUID
 	// OwnerID type alias.
 	OwnerID = refs.OwnerID
-	// OwnerID type alias.
+	// MessageID type alias.
 	MessageID = refs.MessageID
 )
 
diff --git a/container/types.go b/container/types.go
index 1ffcafe6..9269f300 100644
--- a/container/types.go
+++ b/container/types.go
@@ -68,8 +68,8 @@ func (m *Container) Empty() bool {
 }
 
 // -- Test container definition -- //
+
 // NewTestContainer returns test container.
-//
 // WARNING: DON'T USE THIS OUTSIDE TESTS.
 func NewTestContainer() (*Container, error) {
 	key := test.DecodeKey(0)
diff --git a/proto.go b/proto.go
deleted file mode 100644
index b15f22a7..00000000
--- a/proto.go
+++ /dev/null
@@ -1,7 +0,0 @@
-package neofs_proto // import "github.com/nspcc-dev/neofs-proto"
-
-import (
-	_ "github.com/gogo/protobuf/gogoproto"
-	_ "github.com/gogo/protobuf/proto"
-	_ "github.com/golang/protobuf/proto"
-)
diff --git a/session/types.go b/session/types.go
index ceb2944a..aff7ccae 100644
--- a/session/types.go
+++ b/session/types.go
@@ -124,7 +124,7 @@ func (m *Token) Verify(keys ...*ecdsa.PublicKey) bool {
 	return false
 }
 
-// Sign adds token signatures.
+// AddSignatures adds token signatures.
 func (t *PToken) AddSignatures(signH, signT []byte) {
 	t.mtx.Lock()
 
@@ -139,8 +139,7 @@ func (t *PToken) SignData(data []byte) ([]byte, error) {
 	return crypto.Sign(t.PrivateKey, data)
 }
 
-// VerifyData checks if signature of data by token t
-// is equal to sign.
+// VerifyData checks if signature of data by token is equal to sign.
 func (m *VerificationHeader) VerifyData(data, sign []byte) error {
 	if crypto.Verify(crypto.UnmarshalPublicKey(m.PublicKey), data, sign) != nil {
 		return ErrInvalidSignature