diff --git a/csst_common/__init__.py b/csst_common/__init__.py
index 68911e8219f115abc934ffe9c43abb0b36e37572..206fd6cb05703ac5c4ed9e7af72ad7ffaca9ad2a 100644
--- a/csst_common/__init__.py
+++ b/csst_common/__init__.py
@@ -14,8 +14,6 @@ from .file import File
 from .pipeline import Pipeline, ModuleResult
 from .status import CsstResult, CsstStatus
 from .time import now
-from .dfs import DFS
-from .ccds import CCDS
 from .utils import retry
 
 __version__ = "0.0.2"