diff --git a/js/accounts/auth.js b/js/accounts/auth.js
index 5285755..2d09d06 100644
--- a/js/accounts/auth.js
+++ b/js/accounts/auth.js
@@ -106,7 +106,7 @@ export class AuthManager {
             if (window.__AUTH_GATE__) {
                 try {
                     await fetch('/api/auth/logout', { method: 'POST' });
-                } catch (_) {
+                } catch {
                     // Server endpoint may not exist in dev mode
                 }
                 window.location.href = '/login';
diff --git a/js/audio-context.js b/js/audio-context.js
index d16c721..ef30140 100644
--- a/js/audio-context.js
+++ b/js/audio-context.js
@@ -212,7 +212,7 @@ class AudioContextManager {
             if (this.monoMergerNode) {
                 try {
                     this.monoMergerNode.disconnect();
-                } catch (e) {
+                } catch {
                     // Ignore if not connected
                 }
             }
@@ -220,7 +220,7 @@ class AudioContextManager {
             // Only disconnect destination from analyser to preserve other taps (like Butterchurn)
             try {
                 this.analyser.disconnect(this.audioContext.destination);
-            } catch (e) {
+            } catch {
                 // Ignore if not connected
             }
 
diff --git a/js/storage.js b/js/storage.js
index f3d8938..496329f 100644
--- a/js/storage.js
+++ b/js/storage.js
@@ -86,7 +86,7 @@ export const apiSettings = {
         }
     },
 
-    async getInstances(type = 'api', sortBySpeed = false) {
+    async getInstances(type = 'api', _sortBySpeed = false) {
         let instancesObj;
 
         const stored = localStorage.getItem(this.STORAGE_KEY);