diff --git a/wideq/ac.py b/wideq/ac.py
index 2bf7e7f..63542e8 100644
--- a/wideq/ac.py
+++ b/wideq/ac.py
@@ -3,7 +3,7 @@
 import enum
 
 from .client import Device
-from .util import lookup_enum, lookup_reference
+from .util import lookup_enum
 
 
 class ACVSwingMode(enum.Enum):
diff --git a/wideq/refrigerator.py b/wideq/refrigerator.py
index 67ce17f..f10b4de 100644
--- a/wideq/refrigerator.py
+++ b/wideq/refrigerator.py
@@ -2,7 +2,7 @@ import enum
 from typing import Optional
 
 from .client import Device, _UNKNOWN
-from .util import lookup_enum, lookup_reference
+from .util import lookup_enum
 
 
 class IcePlus(enum.Enum):