diff --git a/weed/server/filer_server.go b/weed/server/filer_server.go
index 10ba22b02..40be2d7cf 100644
--- a/weed/server/filer_server.go
+++ b/weed/server/filer_server.go
@@ -85,10 +85,6 @@ func NewFilerServer(defaultMux, readonlyMux *http.ServeMux, option *FilerOption)
 	return fs, nil
 }
 
-func (fs *FilerServer) jwt(fileId string) security.EncodedJwt {
-	return security.GenJwt(fs.secret, fileId)
-}
-
 func LoadConfiguration(configFileName string, required bool) (loaded bool) {
 
 	// find a filer store
diff --git a/weed/server/volume_server.go b/weed/server/volume_server.go
index be1b433f7..a4905c5c5 100644
--- a/weed/server/volume_server.go
+++ b/weed/server/volume_server.go
@@ -83,7 +83,3 @@ func (vs *VolumeServer) Shutdown() {
 	vs.store.Close()
 	glog.V(0).Infoln("Shut down successfully!")
 }
-
-func (vs *VolumeServer) jwt(fileId string) security.EncodedJwt {
-	return security.GenJwt(vs.guard.SigningKey, fileId)
-}