diff --git a/transport/socket/servlet_handler.go b/transport/socket/servlet_handler.go
deleted file mode 100644
index e532ca5..0000000
--- a/transport/socket/servlet_handler.go
+++ /dev/null
@@ -1,7 +0,0 @@
-package socket
-
-import "git.loafle.net/commons_go/rpc/server"
-
-type ServletHandler interface {
-	server.ServletHandler
-}
diff --git a/transport/socket/servlet_handlers.go b/transport/socket/servlet_handlers.go
index fd82fda..1c5beaf 100644
--- a/transport/socket/servlet_handlers.go
+++ b/transport/socket/servlet_handlers.go
@@ -4,11 +4,9 @@ import (
 	"io"
 
 	"git.loafle.net/commons_go/rpc/protocol"
-	"git.loafle.net/commons_go/rpc/server"
 )
 
 type ServletHandlers struct {
-	server.ServletHandlers
 }
 
 func (sh *ServletHandlers) GetRequest(codec protocol.ServerCodec, reader interface{}) (protocol.ServerRequestCodec, error) {
diff --git a/transport/websocket/fasthttp/servlet_handler.go b/transport/websocket/fasthttp/servlet_handler.go
deleted file mode 100644
index 0d65810..0000000
--- a/transport/websocket/fasthttp/servlet_handler.go
+++ /dev/null
@@ -1,7 +0,0 @@
-package fasthttp
-
-import "git.loafle.net/commons_go/rpc/server"
-
-type ServletHandler interface {
-	server.ServletHandler
-}
diff --git a/transport/websocket/fasthttp/servlet_handlers.go b/transport/websocket/fasthttp/servlet_handlers.go
index bc198e1..d14b518 100644
--- a/transport/websocket/fasthttp/servlet_handlers.go
+++ b/transport/websocket/fasthttp/servlet_handlers.go
@@ -4,12 +4,10 @@ import (
 	"fmt"
 
 	"git.loafle.net/commons_go/rpc/protocol"
-	"git.loafle.net/commons_go/rpc/server"
 	"git.loafle.net/commons_go/websocket_fasthttp/websocket"
 )
 
 type ServletHandlers struct {
-	server.ServletHandlers
 }
 
 func (sh *ServletHandlers) GetRequest(codec protocol.ServerCodec, reader interface{}) (protocol.ServerRequestCodec, error) {