diff --git a/api/settings.py b/api/settings.py
index 0abf548e8c..d5936348cf 100644
--- a/api/settings.py
+++ b/api/settings.py
@@ -173,15 +173,6 @@ def init_settings():
     retrievaler = search.Dealer(docStoreConn)
     kg_retrievaler = kg_search.KGSearch(docStoreConn)
 
-def get_host_ip():
-    global HOST_IP
-    return HOST_IP
-
-
-def get_host_port():
-    global HOST_PORT
-    return HOST_PORT
-
 
 class CustomEnum(Enum):
     @classmethod
@@ -201,16 +192,6 @@ def names(cls):
         return [member.name for member in cls.__members__.values()]
 
 
-class PythonDependenceName(CustomEnum):
-    Rag_Source_Code = "python"
-    Python_Env = "miniconda"
-
-
-class ModelStorage(CustomEnum):
-    REDIS = "redis"
-    MYSQL = "mysql"
-
-
 class RetCode(IntEnum, CustomEnum):
     SUCCESS = 0
     NOT_EFFECTIVE = 10