diff --git a/shards/discovery/plugins/static_provider.py b/shards/discovery/plugins/static_provider.py
index 9bea62f2da..fca8c717db 100644
--- a/shards/discovery/plugins/static_provider.py
+++ b/shards/discovery/plugins/static_provider.py
@@ -5,8 +5,10 @@ if __name__ == '__main__':
 
 import logging
 import socket
+from environs import Env
 
 logger = logging.getLogger(__name__)
+env = Env()
 
 
 class StaticDiscovery(object):
@@ -14,9 +16,9 @@ class StaticDiscovery(object):
 
     def __init__(self, config, conn_mgr, **kwargs):
         self.conn_mgr = conn_mgr
-        hosts = [config.DISCOVERY_STATIC_HOSTS] if isinstance(config.DISCOVERY_STATIC_HOSTS, str) else hosts
+        hosts = env.list('DISCOVERY_STATIC_HOSTS', [])
+        self.port = env.int('DISCOVERY_STATIC_PORT', 19530)
         self.hosts = [socket.gethostbyname(host) for host in hosts]
-        self.port = config.DISCOVERY_STATIC_PORT
 
     def start(self):
         for host in self.hosts:
diff --git a/shards/mishards/settings.py b/shards/mishards/settings.py
index 09b7b0713f..2694cd0a1f 100644
--- a/shards/mishards/settings.py
+++ b/shards/mishards/settings.py
@@ -29,11 +29,6 @@ SERVER_PORT = env.int('SERVER_PORT', 19530)
 SERVER_TEST_PORT = env.int('SERVER_TEST_PORT', 19530)
 WOSERVER = env.str('WOSERVER')
 
-DISCOVERY_STATIC_HOSTS = env.list('DISCOVERY_STATIC_HOSTS', [])
-DISCOVERY_STATIC_PORT = env.int('DISCOVERY_STATIC_PORT', 19530)
-
-# TESTING_WOSERVER = env.str('TESTING_WOSERVER', 'tcp://127.0.0.1:19530')
-
 
 class TracingConfig:
     TRACING_SERVICE_NAME = env.str('TRACING_SERVICE_NAME', 'mishards')
@@ -72,7 +67,7 @@ class DefaultConfig:
 class TestingConfig(DefaultConfig):
     SQLALCHEMY_DATABASE_URI = env.str('SQLALCHEMY_DATABASE_TEST_URI', '')
     SQL_ECHO = env.bool('SQL_TEST_ECHO', False)
-    TRACING_TYPE = env.str('TRACING_TEST_TYPE', '')
+    TRACER_CLASS_NAME = env.str('TRACER_CLASS_TEST_NAME', '')
     ROUTER_CLASS_NAME = env.str('ROUTER_CLASS_TEST_NAME', 'FileBasedHashRingRouter')