diff --git a/sjrpc/core/__init__.py b/sjrpc/core/__init__.py
index bcddb07b3642faf0d790115bf31639ed38c26baf..84a52d8e916d4d5137ac0f278c9663d1127a5b81 100644
--- a/sjrpc/core/__init__.py
+++ b/sjrpc/core/__init__.py
@@ -18,9 +18,7 @@ It also contains a sub-package containing protocols: :mod:`core.protocols`.
 '''
 
 from sjrpc.core.rpcconnection import *
-from sjrpc.core.callers import *
 from sjrpc.core.exceptions import *
 from sjrpc.core.async import *
 
-__all__ = ('RpcConnection', 'RpcCaller',
-           'ThreadedRpcCaller', 'RpcError', 'AsyncWatcher')
+__all__ = ('RpcConnection', 'RpcError', 'AsyncWatcher')