diff --git a/weed/command/filer.go b/weed/command/filer.go
index f247d1c2a..4d6858cda 100644
--- a/weed/command/filer.go
+++ b/weed/command/filer.go
@@ -23,7 +23,6 @@ type FilerOptions struct {
 	masters                 *string
 	ip                      *string
 	port                    *int
-	grpcPort                *int
 	publicPort              *int
 	collection              *string
 	defaultReplicaPlacement *string
@@ -45,7 +44,6 @@ func init() {
 	f.collection = cmdFiler.Flag.String("collection", "", "all data will be stored in this collection")
 	f.ip = cmdFiler.Flag.String("ip", "", "filer server http listen ip address")
 	f.port = cmdFiler.Flag.Int("port", 8888, "filer server http listen port")
-	f.grpcPort = cmdFiler.Flag.Int("port.grpc", 0, "filer grpc server listen port, default to http port + 10000")
 	f.publicPort = cmdFiler.Flag.Int("port.readonly", 0, "readonly port opened to public")
 	f.defaultReplicaPlacement = cmdFiler.Flag.String("defaultReplicaPlacement", "000", "default replication type if not specified")
 	f.redirectOnRead = cmdFiler.Flag.Bool("redirectOnRead", false, "whether proxy or redirect to volume server during file GET request")
@@ -140,10 +138,7 @@ func (fo *FilerOptions) startFiler() {
 	}
 
 	// starting grpc server
-	grpcPort := *fo.grpcPort
-	if grpcPort == 0 {
-		grpcPort = *fo.port + 10000
-	}
+	grpcPort := *fo.port + 10000
 	grpcL, err := util.NewListener(":"+strconv.Itoa(grpcPort), 0)
 	if err != nil {
 		glog.Fatalf("failed to listen on grpc port %d: %v", grpcPort, err)
diff --git a/weed/command/s3.go b/weed/command/s3.go
index 9aa9f8e2f..aefbdbb8e 100644
--- a/weed/command/s3.go
+++ b/weed/command/s3.go
@@ -20,7 +20,6 @@ var (
 
 type S3Options struct {
 	filer            *string
-	filerGrpcPort    *int
 	filerBucketsPath *string
 	port             *int
 	domainName       *string
@@ -31,7 +30,6 @@ type S3Options struct {
 func init() {
 	cmdS3.Run = runS3 // break init cycle
 	s3options.filer = cmdS3.Flag.String("filer", "localhost:8888", "filer server address")
-	s3options.filerGrpcPort = cmdS3.Flag.Int("filer.grpcPort", 0, "filer server grpc port, default to filer http port plus 10000")
 	s3options.filerBucketsPath = cmdS3.Flag.String("filer.dir.buckets", "/buckets", "folder on filer to store all buckets")
 	s3options.port = cmdS3.Flag.Int("port", 8333, "s3options server http listen port")
 	s3options.domainName = cmdS3.Flag.String("domainName", "", "suffix of the host name, {bucket}.{domainName}")
diff --git a/weed/command/server.go b/weed/command/server.go
index a56944b48..a5d2ddd21 100644
--- a/weed/command/server.go
+++ b/weed/command/server.go
@@ -80,7 +80,6 @@ func init() {
 	serverOptions.cpuprofile = cmdServer.Flag.String("cpuprofile", "", "cpu profile output file")
 	filerOptions.collection = cmdServer.Flag.String("filer.collection", "", "all data will be stored in this collection")
 	filerOptions.port = cmdServer.Flag.Int("filer.port", 8888, "filer server http listen port")
-	filerOptions.grpcPort = cmdServer.Flag.Int("filer.port.grpc", 0, "filer grpc server listen port, default to http port + 10000")
 	filerOptions.publicPort = cmdServer.Flag.Int("filer.port.public", 0, "filer server public http listen port")
 	filerOptions.defaultReplicaPlacement = cmdServer.Flag.String("filer.defaultReplicaPlacement", "", "Default replication type if not specified during runtime.")
 	filerOptions.redirectOnRead = cmdServer.Flag.Bool("filer.redirectOnRead", false, "whether proxy or redirect to volume server during file GET request")