diff --git a/flow/flow.go b/flow/flow.go
index c06e966..78bf9e6 100644
--- a/flow/flow.go
+++ b/flow/flow.go
@@ -5,7 +5,6 @@ import (
 	"errors"
 	"fmt"
 	"os"
-	"strconv"
 	"strings"
 
 	"github.com/sakajunquality/cloud-pubsub-events/gcrevent"
@@ -33,7 +32,7 @@ func New(c *Config) (*Flow, error) {
 	return f, nil
 }
 
-func (f *Flow) ProcessGCREvent(ctx context.Context, e gcrevent.Event, quote bool) error {
+func (f *Flow) ProcessGCREvent(ctx context.Context, e gcrevent.Event) error {
 	if e.Action != gcrevent.ActionInsert {
 		return nil
 	}
@@ -52,9 +51,5 @@ func (f *Flow) ProcessGCREvent(ctx context.Context, e gcrevent.Event, quote bool
 		return fmt.Errorf("image format invalid: %s", *e.Tag)
 	}
 
-	if quote {
-		version = strconv.Quote(version)
-	}
-
 	return f.processImage(ctx, image, version)
 }
diff --git a/main.go b/main.go
index 3f82b02..f3a7175 100644
--- a/main.go
+++ b/main.go
@@ -3,7 +3,6 @@ package main
 import (
 	"context"
 	"encoding/json"
-	"flag"
 	"fmt"
 	"io"
 	"log"
@@ -39,14 +38,7 @@ var (
 	f *flow.Flow
 )
 
-var (
-	q *bool
-)
-
 func main() {
-	q = flag.Bool("q", true, "if true, the version is quoted. Default is true.")
-	flag.Parse()
-
 	cfg, err := getConfig()
 	if err != nil {
 		fmt.Fprintf(os.Stderr, "Cloud not read the file:%s.\n", err)
@@ -109,7 +101,7 @@ func handlePubSubMessage(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	err = f.ProcessGCREvent(ctx, event, *q)
+	err = f.ProcessGCREvent(ctx, event)
 	log.Printf("process: %s", err)
 
 	res := &Response{