diff --git a/cic_tracker/cache.py b/cic_tracker/cache.py
index de5cbb7..efd5c58 100644
--- a/cic_tracker/cache.py
+++ b/cic_tracker/cache.py
@@ -1,3 +1,4 @@
+# external imports
 from stateness.redis import RedisMonitor
 
 
diff --git a/cic_tracker/runnable/daemon.py b/cic_tracker/runnable/daemon.py
index f53afc1..555f3f4 100644
--- a/cic_tracker/runnable/daemon.py
+++ b/cic_tracker/runnable/daemon.py
@@ -5,10 +5,11 @@ import datetime
 import importlib
 
 # external imports
-import cic_eth.cli
 from chainsyncer.error import SyncDone
 from chainsyncer.driver.chain_interface import ChainInterfaceDriver
 
+# cic_eth legacy imports
+import cic_eth.cli
 
 # local imports
 #from cic_tracker.cache import SyncTimeRedisCache
@@ -46,7 +47,6 @@ args_override = {
 config.add(args.until, '_UNTIL', True)
 
 
-
 def main():
     settings = CICTrackerSettings()
     settings.process(config)
diff --git a/cic_tracker/settings.py b/cic_tracker/settings.py
index af8fb0b..3a4ec97 100644
--- a/cic_tracker/settings.py
+++ b/cic_tracker/settings.py
@@ -4,23 +4,13 @@ import importlib
 import os
 
 # external imports
-from chainlib.chain import ChainSpec
-from chainlib.eth.address import is_checksum_address
 from chainlib.eth.block import block_latest
-from cic_eth.registry import (
-        connect as connect_registry,
-        connect_declarator,
-        connect_token_registry,
-        )
-from cic_eth.db import dsn_from_config
-from cic_eth.db.models.base import SessionBase
-from cic_eth_registry.error import UnknownContractError
-import cic_eth.cli
 from hexathon import (
         to_int as hex_to_int,
         strip_0x,
         )
-from cic_eth_registry import CICRegistry
+from cic_base import CICSettings
+from cic_sync_filter.callback import CallbackFilter
 
 # local imports
 from cic_tracker.chain import EthChainInterface
@@ -32,69 +22,15 @@ from cic_tracker.callback import (
 logg = logging.getLogger(__name__)
 
 
-class CICTrackerSettings:
+class CICTrackerSettings(CICSettings):
 
-    def __init__(self):
-        self.o = {}
-        self.registry = None
-        self.get = self.o.get
-
-
-    def process_common(self, config):
-        self.o['CHAIN_SPEC'] = ChainSpec.from_chain_str(config.get('CHAIN_SPEC'))
-        
-        rpc = cic_eth.cli.RPC.from_config(config)
-        self.o['RPC'] = rpc.get_default()
-
-
-    def process_celery(self, config):
-        cic_eth.cli.CeleryApp.from_config(config)
-
-
-    def process_database(self, config):
-        dsn = dsn_from_config(config)
-        SessionBase.connect(dsn, pool_size=16, debug=config.true('DATABASE_DEBUG'))
-
-
-    def process_trusted_addresses(self, config):
-        trusted_addresses_src = config.get('CIC_TRUST_ADDRESS')
-        if trusted_addresses_src == None:
-            raise InitializationError('At least one trusted address must be declared in CIC_TRUST_ADDRESS')
-
-        trusted_addresses = trusted_addresses_src.split(',')
-        for i, address in enumerate(trusted_addresses):
-            if not config.get('_UNSAFE'):
-                if not is_checksum_address(address):
-                    raise ValueError('address {} at position {} is not a valid checksum address'.format(address, i))
-            else:
-                trusted_addresses[i] = to_checksum_address(address)
-            logg.info('using trusted address {}'.format(address))
-
-
-        self.o['TRUSTED_ADDRESSES'] = trusted_addresses
-
-
-    def process_registry(self, config):
-        registry = None
-        try:
-            registry = connect_registry(self.o['RPC'], self.o['CHAIN_SPEC'], config.get('CIC_REGISTRY_ADDRESS'))
-        except UnknownContractError as e:
-            pass
-        if registry == None:
-            raise InitializationError('Registry contract connection failed for {}: {}'.format(config.get('CIC_REGISTRY_ADDRESS'), e))
-        connect_declarator(self.o['RPC'], self.o['CHAIN_SPEC'], self.o['TRUSTED_ADDRESSES'])
-        connect_token_registry(self.o['RPC'], self.o['CHAIN_SPEC'])
-
-        self.o['CIC_REGISTRY'] = CICRegistry(self.o['CHAIN_SPEC'], self.o['RPC'])
-
-
-    def process_callback_filters(self, config):
+    def process_sync_callback_filters(self, config):
         self.o['CALLBACK_FILTERS'] = []
         for cb in config.get('TASKS_TRANSFER_CALLBACKS', '').split(','):
             task_split = cb.split(':')
             if len(task_split) > 1:
                 task_queue = task_split[0]
-            callback_filter = CallbackFilter(chain_spec, task_split[1], task_queue)
+            callback_filter = CallbackFilter(self.o['CHAIN_SPEC'], task_split[1], self.o['CELERY_QUEUE'])
             self.o['CALLBACK_FILTERS'].append(callback_filter)
 
 
@@ -169,22 +105,15 @@ class CICTrackerSettings:
             self.o['SYNC_STORE'].register(m)
 
 
-    def process_sync(self, config):
+    def process(self, config):
+        super(CICTrackerSettings, self).process(config)
         self.process_sync_range(config)
         self.process_sync_interface(config)
         self.process_sync_store(config)
+        self.process_sync_callback_filters(config)
         self.process_sync_filters(config)
 
 
-    def process(self, config):
-        self.process_common(config)
-        self.process_celery(config)
-        self.process_database(config)
-        self.process_trusted_addresses(config)
-        self.process_registry(config)
-        self.process_sync(config)
-
-
     def __str__(self):
         ks = list(self.o.keys())
         ks.sort()
diff --git a/requirements.txt b/requirements.txt
index 88a99e4..b2ea2bb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,4 @@
 chainsyncer[rocksdb]~=0.3.2
 chainlib-eth~=0.1.0
-celery~=4.4.7
-cic-eth-registry~=0.6.9
-chainqueue~=0.0.6rc9
 cic-sync-filter~=0.13.0
+cic-base[legacy]~=0.13.0