diff --git a/src/security/v2/key-chain.cpp b/src/security/v2/key-chain.cpp
index b63287d..9f14402 100644
--- a/src/security/v2/key-chain.cpp
+++ b/src/security/v2/key-chain.cpp
@@ -341,13 +341,7 @@
 {
   BOOST_ASSERT(static_cast<bool>(key));
 
-  try {
-    addCertificate(key, cert);
-  }
-  catch (const Pib::Error&) { // force to overwrite the existing certificates
-    key.removeCertificate(cert.getName());
-    addCertificate(key, cert);
-  }
+  addCertificate(key, cert);
   key.setDefaultCertificate(cert.getName());
 }