diff --git a/cmd/containerd-shim/main_unix.go b/cmd/containerd-shim/main_unix.go
index 097377f71..d0cc0ad71 100644
--- a/cmd/containerd-shim/main_unix.go
+++ b/cmd/containerd-shim/main_unix.go
@@ -39,11 +39,11 @@ import (
 	"github.com/containerd/containerd/runtime/linux/proc"
 	"github.com/containerd/containerd/runtime/shim"
 	shimapi "github.com/containerd/containerd/runtime/shim/v1"
+	"github.com/containerd/ttrpc"
 	"github.com/containerd/typeurl"
 	ptypes "github.com/gogo/protobuf/types"
 	"github.com/pkg/errors"
 	"github.com/sirupsen/logrus"
-	"github.com/stevvooe/ttrpc"
 	"golang.org/x/sys/unix"
 )
 
diff --git a/cmd/containerd-shim/shim_darwin.go b/cmd/containerd-shim/shim_darwin.go
index d9ed59100..a46fdd195 100644
--- a/cmd/containerd-shim/shim_darwin.go
+++ b/cmd/containerd-shim/shim_darwin.go
@@ -24,7 +24,7 @@ import (
 
 	"github.com/containerd/containerd/runtime/shim"
 	runc "github.com/containerd/go-runc"
-	"github.com/stevvooe/ttrpc"
+	"github.com/containerd/ttrpc"
 )
 
 // setupSignals creates a new signal handler for all signals and sets the shim as a
diff --git a/cmd/containerd-shim/shim_linux.go b/cmd/containerd-shim/shim_linux.go
index 6686b4ec9..d7a11821e 100644
--- a/cmd/containerd-shim/shim_linux.go
+++ b/cmd/containerd-shim/shim_linux.go
@@ -22,8 +22,8 @@ import (
 
 	"github.com/containerd/containerd/runtime/shim"
 	runc "github.com/containerd/go-runc"
+	"github.com/containerd/ttrpc"
 	"github.com/opencontainers/runc/libcontainer/system"
-	"github.com/stevvooe/ttrpc"
 	"golang.org/x/sys/unix"
 )
 
diff --git a/cmd/containerd-shim/shim_unix.go b/cmd/containerd-shim/shim_unix.go
index f920fd42d..3abd806cb 100644
--- a/cmd/containerd-shim/shim_unix.go
+++ b/cmd/containerd-shim/shim_unix.go
@@ -24,7 +24,7 @@ import (
 
 	"github.com/containerd/containerd/runtime/shim"
 	runc "github.com/containerd/go-runc"
-	"github.com/stevvooe/ttrpc"
+	"github.com/containerd/ttrpc"
 )
 
 // setupSignals creates a new signal handler for all signals and sets the shim as a
diff --git a/cmd/ctr/commands/shim/shim.go b/cmd/ctr/commands/shim/shim.go
index 5aa703643..793dc3c9e 100644
--- a/cmd/ctr/commands/shim/shim.go
+++ b/cmd/ctr/commands/shim/shim.go
@@ -27,12 +27,12 @@ import (
 	"github.com/containerd/console"
 	"github.com/containerd/containerd/cmd/ctr/commands"
 	shim "github.com/containerd/containerd/runtime/shim/v1"
+	"github.com/containerd/ttrpc"
 	"github.com/containerd/typeurl"
 	ptypes "github.com/gogo/protobuf/types"
 	"github.com/opencontainers/runtime-spec/specs-go"
 	"github.com/pkg/errors"
 	"github.com/sirupsen/logrus"
-	"github.com/stevvooe/ttrpc"
 	"github.com/urfave/cli"
 )
 
diff --git a/cmd/protoc-gen-gogoctrd/main.go b/cmd/protoc-gen-gogoctrd/main.go
index 149469726..47c3f8a96 100644
--- a/cmd/protoc-gen-gogoctrd/main.go
+++ b/cmd/protoc-gen-gogoctrd/main.go
@@ -18,10 +18,10 @@ package main
 
 import (
 	_ "github.com/containerd/containerd/protobuf/plugin/fieldpath"
+	_ "github.com/containerd/ttrpc/plugin"
 	"github.com/gogo/protobuf/protoc-gen-gogo/descriptor"
 	"github.com/gogo/protobuf/vanity"
 	"github.com/gogo/protobuf/vanity/command"
-	_ "github.com/stevvooe/ttrpc/plugin"
 )
 
 func main() {
diff --git a/runtime/linux/process.go b/runtime/linux/process.go
index a8a95db46..02cccd206 100644
--- a/runtime/linux/process.go
+++ b/runtime/linux/process.go
@@ -26,8 +26,8 @@ import (
 	"github.com/containerd/containerd/errdefs"
 	"github.com/containerd/containerd/runtime"
 	shim "github.com/containerd/containerd/runtime/shim/v1"
+	"github.com/containerd/ttrpc"
 	"github.com/pkg/errors"
-	"github.com/stevvooe/ttrpc"
 )
 
 // Process implements a linux process
diff --git a/runtime/linux/task.go b/runtime/linux/task.go
index d19090a72..43c93eaba 100644
--- a/runtime/linux/task.go
+++ b/runtime/linux/task.go
@@ -32,9 +32,9 @@ import (
 	"github.com/containerd/containerd/runtime/shim/client"
 	shim "github.com/containerd/containerd/runtime/shim/v1"
 	runc "github.com/containerd/go-runc"
+	"github.com/containerd/ttrpc"
 	"github.com/gogo/protobuf/types"
 	"github.com/pkg/errors"
-	"github.com/stevvooe/ttrpc"
 )
 
 // Task on a linux based system
diff --git a/runtime/shim/client/client.go b/runtime/shim/client/client.go
index e46d6df3a..009ccc939 100644
--- a/runtime/shim/client/client.go
+++ b/runtime/shim/client/client.go
@@ -31,9 +31,9 @@ import (
 
 	"golang.org/x/sys/unix"
 
+	"github.com/containerd/ttrpc"
 	"github.com/pkg/errors"
 	"github.com/sirupsen/logrus"
-	"github.com/stevvooe/ttrpc"
 
 	"github.com/containerd/containerd/events"
 	"github.com/containerd/containerd/log"
diff --git a/runtime/shim/v1/shim.pb.go b/runtime/shim/v1/shim.pb.go
index a357fd367..e4dae343d 100644
--- a/runtime/shim/v1/shim.pb.go
+++ b/runtime/shim/v1/shim.pb.go
@@ -50,7 +50,7 @@ import strings "strings"
 import reflect "reflect"
 
 import context "context"
-import ttrpc "github.com/stevvooe/ttrpc"
+import ttrpc "github.com/containerd/ttrpc"
 
 import io "io"
 
diff --git a/vendor.conf b/vendor.conf
index 2e100c161..7d655555c 100644
--- a/vendor.conf
+++ b/vendor.conf
@@ -37,7 +37,7 @@ github.com/Microsoft/hcsshim v0.6.11
 github.com/boltdb/bolt e9cf4fae01b5a8ff89d0ec6b32f0d9c9f79aefdd
 google.golang.org/genproto d80a6e20e776b0b17a324d0ba1ab50a39c8e8944
 golang.org/x/text 19e51611da83d6be54ddafce4a4af510cb3e9ea4
-github.com/stevvooe/ttrpc d4528379866b0ce7e9d71f3eb96f0582fc374577
+github.com/containerd/ttrpc fa6c68143601db58b3636ee9948aad2fe08ed1ea
 github.com/syndtr/gocapability db04d3cc01c8b54962a58ec7e491717d06cfcc16
 gotest.tools v2.1.0
 github.com/google/go-cmp v0.1.0
diff --git a/vendor/github.com/stevvooe/ttrpc/LICENSE b/vendor/github.com/containerd/ttrpc/LICENSE
similarity index 100%
rename from vendor/github.com/stevvooe/ttrpc/LICENSE
rename to vendor/github.com/containerd/ttrpc/LICENSE
diff --git a/vendor/github.com/stevvooe/ttrpc/README.md b/vendor/github.com/containerd/ttrpc/README.md
similarity index 90%
rename from vendor/github.com/stevvooe/ttrpc/README.md
rename to vendor/github.com/containerd/ttrpc/README.md
index b246e578b..d1eed6b12 100644
--- a/vendor/github.com/stevvooe/ttrpc/README.md
+++ b/vendor/github.com/containerd/ttrpc/README.md
@@ -1,6 +1,6 @@
 # ttrpc
 
-[![Build Status](https://travis-ci.org/stevvooe/ttrpc.svg?branch=master)](https://travis-ci.org/stevvooe/ttrpc)
+[![Build Status](https://travis-ci.org/containerd/ttrpc.svg?branch=master)](https://travis-ci.org/containerd/ttrpc)
 
 GRPC for low-memory environments.
 
@@ -25,7 +25,7 @@ Create a gogo vanity binary (see
 [`cmd/protoc-gen-gogottrpc/main.go`](cmd/protoc-gen-gogottrpc/main.go) for an
 example with the ttrpc plugin enabled.
 
-It's recommended to use [`protobuild`](https://github.com/stevvooe/protobuild)
+It's recommended to use [`protobuild`](https://github.com//stevvooe/protobuild)
 to build the protobufs for this project, but this will work with protoc
 directly, if required.
 
diff --git a/vendor/github.com/stevvooe/ttrpc/channel.go b/vendor/github.com/containerd/ttrpc/channel.go
similarity index 85%
rename from vendor/github.com/stevvooe/ttrpc/channel.go
rename to vendor/github.com/containerd/ttrpc/channel.go
index 9493d6862..22f5496b4 100644
--- a/vendor/github.com/stevvooe/ttrpc/channel.go
+++ b/vendor/github.com/containerd/ttrpc/channel.go
@@ -1,3 +1,19 @@
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
 package ttrpc
 
 import (
diff --git a/vendor/github.com/stevvooe/ttrpc/client.go b/vendor/github.com/containerd/ttrpc/client.go
similarity index 87%
rename from vendor/github.com/stevvooe/ttrpc/client.go
rename to vendor/github.com/containerd/ttrpc/client.go
index f04718167..ede2e6b74 100644
--- a/vendor/github.com/stevvooe/ttrpc/client.go
+++ b/vendor/github.com/containerd/ttrpc/client.go
@@ -1,3 +1,19 @@
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
 package ttrpc
 
 import (
@@ -9,9 +25,9 @@ import (
 	"sync"
 	"syscall"
 
-	"github.com/containerd/containerd/log"
 	"github.com/gogo/protobuf/proto"
 	"github.com/pkg/errors"
+	"github.com/sirupsen/logrus"
 	"google.golang.org/grpc/status"
 )
 
@@ -180,7 +196,7 @@ func (c *Client) run() {
 		case msg := <-incoming:
 			call, ok := waiters[msg.StreamID]
 			if !ok {
-				log.L.Errorf("ttrpc: received message for unknown channel %v", msg.StreamID)
+				logrus.Errorf("ttrpc: received message for unknown channel %v", msg.StreamID)
 				continue
 			}
 
diff --git a/vendor/github.com/containerd/ttrpc/codec.go b/vendor/github.com/containerd/ttrpc/codec.go
new file mode 100644
index 000000000..b4aac2fac
--- /dev/null
+++ b/vendor/github.com/containerd/ttrpc/codec.go
@@ -0,0 +1,42 @@
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package ttrpc
+
+import (
+	"github.com/gogo/protobuf/proto"
+	"github.com/pkg/errors"
+)
+
+type codec struct{}
+
+func (c codec) Marshal(msg interface{}) ([]byte, error) {
+	switch v := msg.(type) {
+	case proto.Message:
+		return proto.Marshal(v)
+	default:
+		return nil, errors.Errorf("ttrpc: cannot marshal unknown type: %T", msg)
+	}
+}
+
+func (c codec) Unmarshal(p []byte, msg interface{}) error {
+	switch v := msg.(type) {
+	case proto.Message:
+		return proto.Unmarshal(p, v)
+	default:
+		return errors.Errorf("ttrpc: cannot unmarshal into unknown type: %T", msg)
+	}
+}
diff --git a/vendor/github.com/containerd/ttrpc/config.go b/vendor/github.com/containerd/ttrpc/config.go
new file mode 100644
index 000000000..019b7a09d
--- /dev/null
+++ b/vendor/github.com/containerd/ttrpc/config.go
@@ -0,0 +1,39 @@
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package ttrpc
+
+import "github.com/pkg/errors"
+
+type serverConfig struct {
+	handshaker Handshaker
+}
+
+type ServerOpt func(*serverConfig) error
+
+// WithServerHandshaker can be passed to NewServer to ensure that the
+// handshaker is called before every connection attempt.
+//
+// Only one handshaker is allowed per server.
+func WithServerHandshaker(handshaker Handshaker) ServerOpt {
+	return func(c *serverConfig) error {
+		if c.handshaker != nil {
+			return errors.New("only one handshaker allowed per server")
+		}
+		c.handshaker = handshaker
+		return nil
+	}
+}
diff --git a/vendor/github.com/stevvooe/ttrpc/handshake.go b/vendor/github.com/containerd/ttrpc/handshake.go
similarity index 65%
rename from vendor/github.com/stevvooe/ttrpc/handshake.go
rename to vendor/github.com/containerd/ttrpc/handshake.go
index a08ae8ee4..a424b67a4 100644
--- a/vendor/github.com/stevvooe/ttrpc/handshake.go
+++ b/vendor/github.com/containerd/ttrpc/handshake.go
@@ -1,3 +1,19 @@
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
 package ttrpc
 
 import (
diff --git a/vendor/github.com/stevvooe/ttrpc/plugin/generator.go b/vendor/github.com/containerd/ttrpc/plugin/generator.go
similarity index 83%
rename from vendor/github.com/stevvooe/ttrpc/plugin/generator.go
rename to vendor/github.com/containerd/ttrpc/plugin/generator.go
index 5603e57f4..0900386d6 100644
--- a/vendor/github.com/stevvooe/ttrpc/plugin/generator.go
+++ b/vendor/github.com/containerd/ttrpc/plugin/generator.go
@@ -1,3 +1,19 @@
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
 package plugin
 
 import (
@@ -32,7 +48,7 @@ func (p *ttrpcGenerator) Generate(file *generator.FileDescriptor) {
 	p.PluginImports = generator.NewPluginImports(p.Generator)
 	p.contextPkg = p.NewImport("context")
 	p.typeurlPkg = p.NewImport("github.com/containerd/typeurl")
-	p.ttrpcPkg = p.NewImport("github.com/stevvooe/ttrpc")
+	p.ttrpcPkg = p.NewImport("github.com/containerd/ttrpc")
 
 	for _, service := range file.GetService() {
 		serviceName := service.GetName()
diff --git a/vendor/github.com/stevvooe/ttrpc/server.go b/vendor/github.com/containerd/ttrpc/server.go
similarity index 89%
rename from vendor/github.com/stevvooe/ttrpc/server.go
rename to vendor/github.com/containerd/ttrpc/server.go
index fd29b719e..3797a09f8 100644
--- a/vendor/github.com/stevvooe/ttrpc/server.go
+++ b/vendor/github.com/containerd/ttrpc/server.go
@@ -1,3 +1,19 @@
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
 package ttrpc
 
 import (
@@ -9,8 +25,8 @@ import (
 	"sync/atomic"
 	"time"
 
-	"github.com/containerd/containerd/log"
 	"github.com/pkg/errors"
+	"github.com/sirupsen/logrus"
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/status"
 )
@@ -88,7 +104,7 @@ func (s *Server) Serve(l net.Listener) error {
 				}
 
 				sleep := time.Duration(rand.Int63n(int64(backoff)))
-				log.L.WithError(err).Errorf("ttrpc: failed accept; backoff %v", sleep)
+				logrus.WithError(err).Errorf("ttrpc: failed accept; backoff %v", sleep)
 				time.Sleep(sleep)
 				continue
 			}
@@ -100,7 +116,7 @@ func (s *Server) Serve(l net.Listener) error {
 
 		approved, handshake, err := handshaker.Handshake(ctx, conn)
 		if err != nil {
-			log.L.WithError(err).Errorf("ttrpc: refusing connection after handshake")
+			logrus.WithError(err).Errorf("ttrpc: refusing connection after handshake")
 			conn.Close()
 			continue
 		}
@@ -416,12 +432,12 @@ func (c *serverConn) run(sctx context.Context) {
 		case response := <-responses:
 			p, err := c.server.codec.Marshal(response.resp)
 			if err != nil {
-				log.L.WithError(err).Error("failed marshaling response")
+				logrus.WithError(err).Error("failed marshaling response")
 				return
 			}
 
 			if err := ch.send(ctx, response.id, messageTypeResponse, p); err != nil {
-				log.L.WithError(err).Error("failed sending message on channel")
+				logrus.WithError(err).Error("failed sending message on channel")
 				return
 			}
 
@@ -432,7 +448,7 @@ func (c *serverConn) run(sctx context.Context) {
 			// requests due to a terminal error.
 			recvErr = nil // connection is now "closing"
 			if err != nil && err != io.EOF {
-				log.L.WithError(err).Error("error receiving message")
+				logrus.WithError(err).Error("error receiving message")
 			}
 		case <-shutdown:
 			return
diff --git a/vendor/github.com/stevvooe/ttrpc/services.go b/vendor/github.com/containerd/ttrpc/services.go
similarity index 84%
rename from vendor/github.com/stevvooe/ttrpc/services.go
rename to vendor/github.com/containerd/ttrpc/services.go
index b9a749e3d..e90963825 100644
--- a/vendor/github.com/stevvooe/ttrpc/services.go
+++ b/vendor/github.com/containerd/ttrpc/services.go
@@ -1,3 +1,19 @@
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
 package ttrpc
 
 import (
diff --git a/vendor/github.com/stevvooe/ttrpc/types.go b/vendor/github.com/containerd/ttrpc/types.go
similarity index 56%
rename from vendor/github.com/stevvooe/ttrpc/types.go
rename to vendor/github.com/containerd/ttrpc/types.go
index a522b0cf2..1f7969e5c 100644
--- a/vendor/github.com/stevvooe/ttrpc/types.go
+++ b/vendor/github.com/containerd/ttrpc/types.go
@@ -1,3 +1,19 @@
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
 package ttrpc
 
 import (
diff --git a/vendor/github.com/stevvooe/ttrpc/unixcreds_linux.go b/vendor/github.com/containerd/ttrpc/unixcreds_linux.go
similarity index 82%
rename from vendor/github.com/stevvooe/ttrpc/unixcreds_linux.go
rename to vendor/github.com/containerd/ttrpc/unixcreds_linux.go
index 812d927dc..a471bd365 100644
--- a/vendor/github.com/stevvooe/ttrpc/unixcreds_linux.go
+++ b/vendor/github.com/containerd/ttrpc/unixcreds_linux.go
@@ -1,3 +1,19 @@
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
 package ttrpc
 
 import (
diff --git a/vendor/github.com/stevvooe/ttrpc/codec.go b/vendor/github.com/stevvooe/ttrpc/codec.go
deleted file mode 100644
index 7956a7222..000000000
--- a/vendor/github.com/stevvooe/ttrpc/codec.go
+++ /dev/null
@@ -1,26 +0,0 @@
-package ttrpc
-
-import (
-	"github.com/gogo/protobuf/proto"
-	"github.com/pkg/errors"
-)
-
-type codec struct{}
-
-func (c codec) Marshal(msg interface{}) ([]byte, error) {
-	switch v := msg.(type) {
-	case proto.Message:
-		return proto.Marshal(v)
-	default:
-		return nil, errors.Errorf("ttrpc: cannot marshal unknown type: %T", msg)
-	}
-}
-
-func (c codec) Unmarshal(p []byte, msg interface{}) error {
-	switch v := msg.(type) {
-	case proto.Message:
-		return proto.Unmarshal(p, v)
-	default:
-		return errors.Errorf("ttrpc: cannot unmarshal into unknown type: %T", msg)
-	}
-}
diff --git a/vendor/github.com/stevvooe/ttrpc/config.go b/vendor/github.com/stevvooe/ttrpc/config.go
deleted file mode 100644
index 23bc603a3..000000000
--- a/vendor/github.com/stevvooe/ttrpc/config.go
+++ /dev/null
@@ -1,23 +0,0 @@
-package ttrpc
-
-import "github.com/pkg/errors"
-
-type serverConfig struct {
-	handshaker Handshaker
-}
-
-type ServerOpt func(*serverConfig) error
-
-// WithServerHandshaker can be passed to NewServer to ensure that the
-// handshaker is called before every connection attempt.
-//
-// Only one handshaker is allowed per server.
-func WithServerHandshaker(handshaker Handshaker) ServerOpt {
-	return func(c *serverConfig) error {
-		if c.handshaker != nil {
-			return errors.New("only one handshaker allowed per server")
-		}
-		c.handshaker = handshaker
-		return nil
-	}
-}