diff --git a/neutron/plugins/cisco/db/network_db_v2.py b/neutron/plugins/cisco/db/network_db_v2.py
index 94c5a37de76..1a4f997cab2 100644
--- a/neutron/plugins/cisco/db/network_db_v2.py
+++ b/neutron/plugins/cisco/db/network_db_v2.py
@@ -187,6 +187,11 @@ def get_all_n1kv_credentials():
             filter_by(type='n1kv'))
 
 
+def delete_all_n1kv_credentials():
+    session = db.get_session()
+    session.query(network_models_v2.Credential).filter_by(type='n1kv').delete()
+
+
 def add_provider_network(network_id, network_type, segmentation_id):
     """Add a network to the provider network table."""
     session = db.get_session()
diff --git a/neutron/plugins/cisco/n1kv/n1kv_neutron_plugin.py b/neutron/plugins/cisco/n1kv/n1kv_neutron_plugin.py
index d31e5f26506..c7fc11e5703 100644
--- a/neutron/plugins/cisco/n1kv/n1kv_neutron_plugin.py
+++ b/neutron/plugins/cisco/n1kv/n1kv_neutron_plugin.py
@@ -112,8 +112,9 @@ def __init__(self, configfile=None):
         Initialize Nexus1000V Neutron plugin.
 
         1. Initialize VIF type to OVS
-        2. Initialize Nexus1000v and Credential DB
-        3. Establish communication with Cisco Nexus1000V
+        2. clear N1kv credential
+        3. Initialize Nexus1000v and Credential DB
+        4. Establish communication with Cisco Nexus1000V
         """
         super(N1kvNeutronPluginV2, self).__init__()
         self.base_binding_dict = {
@@ -122,6 +123,7 @@ def __init__(self, configfile=None):
                 # TODO(rkukura): Replace with new VIF security details
                 portbindings.CAP_PORT_FILTER:
                 'security-group' in self.supported_extension_aliases}}
+        network_db_v2.delete_all_n1kv_credentials()
         c_cred.Store.initialize()
         self._setup_vsm()
         self._setup_rpc()
diff --git a/neutron/tests/unit/cisco/test_network_db.py b/neutron/tests/unit/cisco/test_network_db.py
index ef09c81c2a8..931f85b5b79 100644
--- a/neutron/tests/unit/cisco/test_network_db.py
+++ b/neutron/tests/unit/cisco/test_network_db.py
@@ -262,6 +262,33 @@ def test_get_credential_not_found_exception(self):
                           self._network_plugin.get_credential_details,
                           "dummyCredentialId")
 
+    def test_credential_delete_all_n1kv(self):
+        cred_nexus_1 = self._cred_test_obj('nexus', 1)
+        cred_nexus_2 = self._cred_test_obj('nexus', 2)
+        cred_n1kv_1 = self.CredObj('n1kv-1', 'cisco', '123456', 'n1kv')
+        cred_n1kv_2 = self.CredObj('n1kv-2', 'cisco', '123456', 'n1kv')
+        cred_nexus_1_id = cdb.add_credential(
+            cred_nexus_1.cname, cred_nexus_1.usr,
+            cred_nexus_1.pwd, cred_nexus_1.ctype).credential_id
+        cred_nexus_2_id = cdb.add_credential(
+            cred_nexus_2.cname, cred_nexus_2.usr,
+            cred_nexus_2.pwd, cred_nexus_2.ctype).credential_id
+        cred_n1kv_1_id = cdb.add_credential(
+            cred_n1kv_1.cname, cred_n1kv_1.usr,
+            cred_n1kv_1.pwd, cred_n1kv_1.ctype).credential_id
+        cred_n1kv_2_id = cdb.add_credential(
+            cred_n1kv_2.cname, cred_n1kv_2.usr,
+            cred_n1kv_2.pwd, cred_n1kv_2.ctype).credential_id
+        cdb.delete_all_n1kv_credentials()
+        cred = cdb.get_credential(cred_nexus_1_id)
+        self.assertIsNotNone(cred)
+        cred = cdb.get_credential(cred_nexus_2_id)
+        self.assertIsNotNone(cred)
+        self.assertRaises(c_exc.CredentialNotFound,
+                          cdb.get_credential, cred_n1kv_1_id)
+        self.assertRaises(c_exc.CredentialNotFound,
+                          cdb.get_credential, cred_n1kv_2_id)
+
 
 class CiscoCredentialStoreTest(base.BaseTestCase):