diff --git a/install.py b/install.py
deleted file mode 100644
index 8abef40..0000000
--- a/install.py
+++ /dev/null
@@ -1,43 +0,0 @@
-import asyncio
-import asyncpg
-import os
-from config import Config
-
-conn = None
-
-class Install:
-    dbi: asyncpg.Connection
-
-    async def run(self):
-        db_config = Config.get("database")
-        self.dbi = await asyncpg.connect(db_config)
-        args = os.sys.argv
-        if "--force" in args:
-            await self.drop_table()
-
-        await self.create_table()
-
-    async def drop_table(self):
-        await self.dbi.execute("DROP TABLE IF EXISTS embedding_search_title_index;")
-        print("Table dropped")
-
-    async def create_table(self):
-        embedding_vector_size = Config.get("chatcomplete.embedding_vector_size", 512, int)
-
-        await self.dbi.execute("""
-        CREATE TABLE embedding_search_title_index (
-            id SERIAL PRIMARY KEY,
-            sha1 VARCHAR(40) NOT NULL UNIQUE,
-            title TEXT NOT NULL,
-            rev_id INT8 NOT NULL,
-            embedding VECTOR(%d) NOT NULL
-        );
-        """ % (embedding_vector_size))
-        await self.dbi.execute("CREATE INDEX embedding_search_title_index_embedding_idx ON embedding_search_title_index USING ivfflat (embedding vector_cosine_ops);")
-        print("Table created")
-
-if __name__ == "__main__":
-    install = Install()
-
-    loop = asyncio.get_event_loop()
-    loop.run_until_complete(install.run())
\ No newline at end of file
diff --git a/service/chat_complete.py b/service/chat_complete.py
index 056c7cb..af60196 100644
--- a/service/chat_complete.py
+++ b/service/chat_complete.py
@@ -15,7 +15,6 @@ from config import Config
 import utils.config, utils.web
 
 from aiohttp import web
-from api.model.embedding_search.title_collection import TitleCollectionModel
 from sqlalchemy.orm.attributes import flag_modified
 
 from service.database import DatabaseService
diff --git a/service/openai_api.py b/service/openai_api.py
index ebd9b4a..d81320e 100644
--- a/service/openai_api.py
+++ b/service/openai_api.py
@@ -10,6 +10,9 @@ from aiohttp_sse_client2 import client as sse_client
 
 from service.tiktoken import TikTokenService
 
+AZURE_CHATCOMPLETE_API_VERSION = "2023-07-01-preview"
+AZURE_EMBEDDING_API_VERSION = "2023-05-15"
+
 class ChatCompleteMessageLog(TypedDict):
     role: str
     content: str
@@ -89,7 +92,7 @@ class OpenAIApi:
             }
 
             if self.api_type == "azure":
-                params["api-version"] = "2023-05-15"
+                params["api-version"] = AZURE_EMBEDDING_API_VERSION
             else:
                 post_data["model"] = "text-embedding-ada-002"
 
@@ -190,7 +193,7 @@ class OpenAIApi:
         }
 
         if self.api_type == "azure":
-            params["api-version"] = "2023-05-15"
+            params["api-version"] = AZURE_CHATCOMPLETE_API_VERSION
         else:
             post_data["model"] = "gpt-3.5-turbo"
 
@@ -248,7 +251,7 @@ class OpenAIApi:
         }
 
         if self.api_type == "azure":
-            params["api-version"] = "2023-05-15"
+            params["api-version"] = AZURE_CHATCOMPLETE_API_VERSION
         else:
             post_data["model"] = "gpt-3.5-turbo"