diff --git a/plugins/providers/oss/config.go b/plugins/providers/oss/config.go
index e15f879b..47396518 100644
--- a/plugins/providers/oss/config.go
+++ b/plugins/providers/oss/config.go
@@ -10,10 +10,9 @@ import (
 )
 
 const (
-	AccountTypeRAMUser  = "ram_user"
-	AccountTypeRAMRole  = "ram_role"
-	resourceTypeBucket  = "bucket"
-	parameterRAMRoleKey = "ram_role"
+	AccountTypeRAMUser = "ram_user"
+	AccountTypeRAMRole = "ram_role"
+	resourceTypeBucket = "bucket"
 )
 
 var validResourceTypes = []string{resourceTypeBucket}