diff --git a/ebcc/eom/base.py b/ebcc/eom/base.py
index fcdd1505..b337495b 100644
--- a/ebcc/eom/base.py
+++ b/ebcc/eom/base.py
@@ -14,7 +14,7 @@
 from ebcc.core.precision import types
 
 if TYPE_CHECKING:
-    from typing import Any, Callable, Optional, Union
+    from typing import Any, Callable, Optional
 
     from ebcc.cc.base import BaseEBCC, ERIsInputType, SpaceType, SpinArrayType
     from ebcc.core.ansatz import Ansatz
diff --git a/ebcc/eom/geom.py b/ebcc/eom/geom.py
index 58772474..67b2fa31 100644
--- a/ebcc/eom/geom.py
+++ b/ebcc/eom/geom.py
@@ -2,12 +2,11 @@
 
 from __future__ import annotations
 
-import warnings
 from typing import TYPE_CHECKING
 
 from ebcc import numpy as np
 from ebcc import util
-from ebcc.core.precision import astype, types
+from ebcc.core.precision import astype
 from ebcc.eom.base import BaseEA_EOM, BaseEE_EOM, BaseEOM, BaseIP_EOM
 
 if TYPE_CHECKING:
diff --git a/ebcc/eom/reom.py b/ebcc/eom/reom.py
index 538972b2..f9159fa7 100644
--- a/ebcc/eom/reom.py
+++ b/ebcc/eom/reom.py
@@ -2,12 +2,11 @@
 
 from __future__ import annotations
 
-import warnings
 from typing import TYPE_CHECKING
 
 from ebcc import numpy as np
 from ebcc import util
-from ebcc.core.precision import astype, types
+from ebcc.core.precision import astype
 from ebcc.eom.base import BaseEA_EOM, BaseEE_EOM, BaseEOM, BaseIP_EOM
 
 if TYPE_CHECKING:
diff --git a/ebcc/eom/ueom.py b/ebcc/eom/ueom.py
index 5600fa26..354f7250 100644
--- a/ebcc/eom/ueom.py
+++ b/ebcc/eom/ueom.py
@@ -6,7 +6,7 @@
 
 from ebcc import numpy as np
 from ebcc import util
-from ebcc.core.precision import astype, types
+from ebcc.core.precision import astype
 from ebcc.eom.base import BaseEA_EOM, BaseEE_EOM, BaseEOM, BaseIP_EOM
 
 if TYPE_CHECKING: