diff --git a/src/core/api.js b/src/core/api.js
index 8ff0b5c1..440c25c2 100644
--- a/src/core/api.js
+++ b/src/core/api.js
@@ -25,7 +25,7 @@ export function runAPI(express, app, gitCommit, gitBranch, __dirname) {
         standardHeaders: true,
         legacyHeaders: false,
         keyGenerator: req => generateHmac(getIP(req), ipSalt),
-        handler: (req, res, next, opt) => {
+        handler: (req, res) => {
             return res.status(429).json({
                 "status": "rate-limit",
                 "text": loc(languageCode(req), 'ErrorRateLimit')
@@ -38,7 +38,7 @@ export function runAPI(express, app, gitCommit, gitBranch, __dirname) {
         standardHeaders: true,
         legacyHeaders: false,
         keyGenerator: req => generateHmac(getIP(req), ipSalt),
-        handler: (req, res, next, opt) => {
+        handler: (req, res) => {
             return res.status(429).json({
                 "status": "rate-limit",
                 "text": loc(languageCode(req), 'ErrorRateLimit')
diff --git a/src/front/cobalt.js b/src/front/cobalt.js
index 423acdf3..ef5b448c 100644
--- a/src/front/cobalt.js
+++ b/src/front/cobalt.js
@@ -679,7 +679,7 @@ window.onload = () => {
     }
 }
 
-eid("url-input-area").addEventListener("keydown", (e) => {
+eid("url-input-area").addEventListener("keydown", () => {
     button();
 })
 eid("url-input-area").addEventListener("keyup", (e) => {
diff --git a/src/localization/manager.js b/src/localization/manager.js
index c22f9500..2344241b 100644
--- a/src/localization/manager.js
+++ b/src/localization/manager.js
@@ -8,7 +8,7 @@ let loc = {}
 let languages = [];
 
 export async function loadLoc() {
-    const files = await fs.promises.readdir(locPath).catch((e) => { return [] });
+    const files = await fs.promises.readdir(locPath).catch(() => []);
     files.forEach(file => {
         loc[file.split('.')[0]] = loadJSON(`${locPath}/${file}`);
         languages.push(file.split('.')[0])
diff --git a/src/modules/processing/services/tumblr.js b/src/modules/processing/services/tumblr.js
index 05c7fd84..b2866c8f 100644
--- a/src/modules/processing/services/tumblr.js
+++ b/src/modules/processing/services/tumblr.js
@@ -1,5 +1,4 @@
 import psl from "psl";
-import { genericUserAgent } from "../../config.js";
 
 const API_KEY = 'jrsCWX1XDuVxAFO4GkK147syAoN8BJZ5voz8tS80bPcj26Vc5Z';
 const API_BASE = 'https://api-http2.tumblr.com';
diff --git a/src/modules/sub/crypto.js b/src/modules/sub/crypto.js
index b3a0539b..35b55b38 100644
--- a/src/modules/sub/crypto.js
+++ b/src/modules/sub/crypto.js
@@ -1,4 +1,4 @@
-import { createHmac, createCipheriv, createDecipheriv, scryptSync } from "crypto";
+import { createHmac, createCipheriv, createDecipheriv } from "crypto";
 
 const algorithm = "aes256"