diff --git a/databricks/sdk/config.py b/databricks/sdk/config.py
index b64c85f87..6f653e16a 100644
--- a/databricks/sdk/config.py
+++ b/databricks/sdk/config.py
@@ -85,7 +85,7 @@ def __init__(self,
                  credentials_provider: CredentialsProvider = None,
                  product="unknown",
                  product_version="0.0.0",
-                 clock: Clock=None,
+                 clock: Clock = None,
                  **kwargs):
         self._inner = {}
         self._user_agent_other_info = []
diff --git a/databricks/sdk/core.py b/databricks/sdk/core.py
index 1de648077..9b56d0f6d 100644
--- a/databricks/sdk/core.py
+++ b/databricks/sdk/core.py
@@ -7,7 +7,6 @@
 
 from requests.adapters import HTTPAdapter
 
-from .clock import Clock, RealClock
 from .config import *
 # To preserve backwards compatibility (as these definitions were previously in this module)
 from .credentials_provider import *