diff --git a/.gitmodules b/.gitmodules
deleted file mode 100644
index 3c5684e..0000000
--- a/.gitmodules
+++ /dev/null
@@ -1,7 +0,0 @@
-[submodule "ai"]
-	path = ai
-	url = https://git.miteruzo.com/miteruzo/nizika_broadcast
-	branch = main
-[submodule "db"]
-	path = db
-	url = https://git.miteruzo.com/miteruzo/nizika_nico
diff --git a/db b/db
deleted file mode 160000
index 6a5e6df..0000000
--- a/db
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 6a5e6dfadec664a653c697bc5463c943302d2ec2
diff --git a/nico.py b/nico.py
index 79bdbc4..f0bf887 100644
--- a/nico.py
+++ b/nico.py
@@ -8,6 +8,8 @@ import requests
 from bs4 import BeautifulSoup
 from requests.exceptions import Timeout
 
+from db.models import Video
+
 KIRIBAN_VIEWS_COUNTS = { *range (100, 1_000, 100),
                          *range (1_000, 10_000, 1_000),
                          *range (10_000, 1_000_001, 10_000),