diff --git a/backend/src/mastodon/microformats.ts b/backend/src/mastodon/microformats.ts
index a9e7bbb..05ab20a 100644
--- a/backend/src/mastodon/microformats.ts
+++ b/backend/src/mastodon/microformats.ts
@@ -19,7 +19,7 @@ export function enrichStatus(status: string): string {
 	let state = 'normal'
 	let buffer = ''
 
-	for (let i = 0, len = status.length; true; i++) {
+	for (let i = 0; true; i++) {
 		const char = status[i]
 		const eof = char === undefined
 		const write = (s: string) => {
diff --git a/backend/src/utils/parse.ts b/backend/src/utils/parse.ts
index d4ea546..b5a99a0 100644
--- a/backend/src/utils/parse.ts
+++ b/backend/src/utils/parse.ts
@@ -15,7 +15,7 @@ export function parseHandle(query: string): Handle {
 	const parts = query.split('@')
 	const localPart = parts[0]
 
-	if (!/^[\w-\.]+$/.test(localPart)) {
+	if (!/^[\w-.]+$/.test(localPart)) {
 		throw new Error('invalid handle: localPart: ' + localPart)
 	}