diff --git a/src/security/conf/checker.hpp b/src/security/conf/checker.hpp
index 05eb8c1..1ebcf0d 100644
--- a/src/security/conf/checker.hpp
+++ b/src/security/conf/checker.hpp
@@ -380,7 +380,7 @@
     if (propertyIt != configSection.end())
       throw Error("Expect the end of checker!");
 
-    return make_shared<CustomizedChecker>(getSigType(sigType), cref(keyLocatorChecker));
+    return make_shared<CustomizedChecker>(getSigType(sigType), keyLocatorChecker);
   }
 
   static shared_ptr<Checker>
diff --git a/src/security/conf/filter.hpp b/src/security/conf/filter.hpp
index 8fa91b8..8caa5cc 100644
--- a/src/security/conf/filter.hpp
+++ b/src/security/conf/filter.hpp
@@ -199,8 +199,7 @@
         if (propertyIt != configSection.end())
           throw Error("Expect the end of filter!");
 
-        return make_shared<RelationNameFilter>(cref(name),
-                                               cref(relation));
+        return make_shared<RelationNameFilter>(name, relation);
       }
     else if (boost::iequals(propertyIt->first, "regex"))
       {