diff --git a/backend/s3/s3.go b/backend/s3/s3.go
index aca879698..6872313c5 100644
--- a/backend/s3/s3.go
+++ b/backend/s3/s3.go
@@ -5,7 +5,6 @@ import (
 	"errors"
 	"fmt"
 	"io"
-	"os"
 	"strings"
 
 	"github.com/minio/minio-go"