diff --git a/cli/clean-drive.js b/cli/clean-drive.js
new file mode 100644
index 0000000000000000000000000000000000000000..f0c23b3b2933b84f1b7aa0da0762d5626d371c29
--- /dev/null
+++ b/cli/clean-drive.js
@@ -0,0 +1,56 @@
+const sequential = require('promise-sequential');
+const { default: DriveFile, deleteDriveFile } = require('../built/models/drive-file');
+const { default: Note } = require('../built/models/note');
+const { default: MessagingMessage } = require('../built/models/messaging-message');
+const { default: User } = require('../built/models/user');
+
+async function main() {
+	const promiseGens = [];
+
+	const count = await DriveFile.count({});
+
+	let prev;
+
+	for (let i = 0; i < count; i++) {
+		promiseGens.push(() => new Promise(async (res, rej) => {
+			const file = await DriveFile.findOne(prev ? {
+				_id: { $gt: prev._id }
+			} : {}, {
+				sort: {
+					_id: 1
+				}
+			});
+
+			prev = file;
+
+			console.log(`scanning ${file._id}`);
+
+			const attachingUsersCount = await User.count({
+				$or: [{
+					avatarId: file._id
+				}, {
+					bannerId: file._id
+				}]
+			}, { limit: 1 });
+			if (attachingUsersCount !== 0) return res();
+
+			const attachingNotesCount = await Note.count({
+				mediaIds: file._id
+			}, { limit: 1 });
+			if (attachingNotesCount !== 0) return res();
+
+			const attachingMessagesCount = await MessagingMessage.count({
+				fileId: file._id
+			}, { limit: 1 });
+			if (attachingMessagesCount !== 0) return res();
+
+			console.log(`deleting ${file._id}`);
+
+			deleteDriveFile(file).then(res).catch(rej);
+		}));
+	}
+
+	return await sequential(promiseGens);
+}
+
+main().then(console.dir).catch(console.error);
diff --git a/package.json b/package.json
index 1c6b41e4c2bab25b6f3ff9c909a617d9014ffe3a..6ba6bd298e3239b6916b212795a1b69f3c888e00 100644
--- a/package.json
+++ b/package.json
@@ -165,6 +165,7 @@
 		"os-utils": "0.0.14",
 		"progress-bar-webpack-plugin": "1.11.0",
 		"prominence": "0.2.0",
+		"promise-sequential": "^1.1.1",
 		"pug": "2.0.3",
 		"punycode": "2.1.0",
 		"qrcode": "1.2.0",