diff --git a/src/contact-item.cpp b/src/contact-item.cpp
index 3ea941b..13201ae 100644
--- a/src/contact-item.cpp
+++ b/src/contact-item.cpp
@@ -14,10 +14,11 @@
 
 using namespace std;
 using namespace ndn;
-using namespace ndn::ptr_lib;
 
 INIT_LOGGER("ContactItem");
 
+namespace chronos{
+
 ContactItem::ContactItem(const EndorseCertificate& selfEndorseCertificate,
                          bool isIntroducer,
                          const string& alias)
@@ -29,10 +30,9 @@
   m_namespace = endorsedkeyName.getSubName(0, endorsedkeyName.size() - 1);
 
 
-  const ProfileData& profileData = selfEndorseCertificate.getProfileData();
-  m_name = profileData.getProfile().getProfileEntry("name");
+  m_name = selfEndorseCertificate.getProfile().get("name");
   m_alias = alias.empty() ? m_name : alias;
-  m_institution = profileData.getProfile().getProfileEntry("institution");
+  m_institution = selfEndorseCertificate.getProfile().get("institution");
 }
 
 ContactItem::ContactItem(const ContactItem& contactItem)
@@ -43,16 +43,6 @@
   , m_institution(contactItem.m_institution)
   , m_isIntroducer(contactItem.m_isIntroducer)
   , m_trustScope(contactItem.m_trustScope)
-  , m_trustScopeName(contactItem.m_trustScopeName)
 {}
 
-bool 
-ContactItem::canBeTrustedFor(const Name& name)
-{
-  vector<shared_ptr<Regex> >::iterator it = m_trustScope.begin();
-
-  for(; it != m_trustScope.end(); it++)
-    if((*it)->match(name))
-      return true;
-  return false;
 }