diff --git a/python/adapters/brcm_openomci_onu/brcm_openomci_onu.py b/python/adapters/brcm_openomci_onu/brcm_openomci_onu.py
index ca02767..335693f 100644
--- a/python/adapters/brcm_openomci_onu/brcm_openomci_onu.py
+++ b/python/adapters/brcm_openomci_onu/brcm_openomci_onu.py
@@ -36,7 +36,7 @@
 from pyvoltha.adapters.common.frameio.frameio import hexify
 from pyvoltha.adapters.extensions.omci.openomci_agent import OpenOMCIAgent, OpenOmciAgentDefaults
 from pyvoltha.adapters.extensions.omci.omci_me import *
-from pyvoltha.adapters.extensions.omci.database.mib_db_ext import MibDbExternal
+from pyvoltha.adapters.extensions.omci.database.mib_db_dict import MibDbVolatileDict
 
 from brcm_openomci_onu_handler import BrcmOpenomciOnuHandler
 from omci.brcm_capabilities_task import BrcmCapabilitiesTask
@@ -78,7 +78,8 @@
         self.broadcom_omci = deepcopy(OpenOmciAgentDefaults)
 
         self.broadcom_omci['mib-synchronizer']['state-machine'] = BrcmMibSynchronizer
-        self.broadcom_omci['mib-synchronizer']['database'] = MibDbExternal
+        self.broadcom_omci['mib-synchronizer']['database'] = MibDbVolatileDict
+        self.broadcom_omci['alarm-synchronizer']['database'] = MibDbVolatileDict
         self.broadcom_omci['omci-capabilities']['tasks']['get-capabilities'] = BrcmCapabilitiesTask
 
         # Defer creation of omci agent to a lazy init that allows subclasses to override support classes