diff --git a/protoc-gen-go-http/http.go b/protoc-gen-go-http/http.go
index 49fe4bd..f81609f 100644
--- a/protoc-gen-go-http/http.go
+++ b/protoc-gen-go-http/http.go
@@ -85,13 +85,9 @@ func genService(_ *protogen.Plugin, file *protogen.File, g *protogen.GeneratedFi
 		rule, ok := proto.GetExtension(method.Desc.Options(), annotations.E_Http).(*annotations.HttpRule)
 		if rule != nil && ok {
 			for _, bind := range rule.AdditionalBindings {
-				md := buildHTTPRule(g, method, bind)
-				sd.Methods = append(sd.Methods, md)
-				sd.PermissionCodes = append(sd.PermissionCodes, md.PermissionCodes...)
+				sd.Methods = append(sd.Methods, buildHTTPRule(g, method, bind))
 			}
-			md := buildHTTPRule(g, method, rule)
-			sd.Methods = append(sd.Methods, md)
-			sd.PermissionCodes = append(sd.PermissionCodes, md.PermissionCodes...)
+			sd.Methods = append(sd.Methods, buildHTTPRule(g, method, rule))
 		} else if !omitempty {
 			path := fmt.Sprintf("/%s/%s", service.Desc.FullName(), method.Desc.Name())
 			sd.Methods = append(sd.Methods, buildMethodDesc(g, method, http.MethodPost, path))
diff --git a/protoc-gen-go-http/template.go b/protoc-gen-go-http/template.go
index da17e60..01c5274 100644
--- a/protoc-gen-go-http/template.go
+++ b/protoc-gen-go-http/template.go
@@ -10,11 +10,6 @@ var httpTemplate = `
 {{$svrType := .ServiceType}}
 {{$svrName := .ServiceName}}
 
-{{- range .PermissionCodes}}
-	const PermissionCode{{.Name}} = "{{.Code}}"
-{{- end}}
-// 
-
 {{- range .MethodSets}}
 const Route{{$svrType}}{{.OriginalName}} = "{{.Path}}" {{- if ne .OriginalComment ""}} {{.OriginalComment}} {{.Method}}{{- end}}
 {{- end}}