diff --git a/src/main/config.ts b/src/main/config.ts
index 8e5f30f..e69c9fb 100644
--- a/src/main/config.ts
+++ b/src/main/config.ts
@@ -1,5 +1,4 @@
 import Store from 'electron-store';
-import { detectPlatform } from './platform';
 
 export interface Keybind {
   key: string;
@@ -112,10 +111,6 @@ export interface AppConfig {
     y: number | undefined;
     maximized: boolean;
   };
-  platform: {
-    detectedOS: string;
-    gpuBackend: string;
-  };
 }
 
 export const DEFAULT_KEYBINDS: AppConfig['keybinds'] = {
@@ -131,7 +126,6 @@ export const DEFAULT_KEYBINDS: AppConfig['keybinds'] = {
   fullscreenToggle:  { key: 'F11',    ctrl: false, shift: false, alt: false },
 };
 
-const platformInfo = detectPlatform();
 
 export const config = new Store<AppConfig>({
   name: 'krunker-civilian-config',
@@ -222,9 +216,5 @@ export const config = new Store<AppConfig>({
       y: undefined,
       maximized: true,
     },
-    platform: {
-      detectedOS: platformInfo.os,
-      gpuBackend: platformInfo.gpuBackend,
-    },
   },
 });
diff --git a/src/main/index.ts b/src/main/index.ts
index 20ee21d..d4b9f0a 100644
--- a/src/main/index.ts
+++ b/src/main/index.ts
@@ -551,7 +551,7 @@ async function launchApp(): Promise<void> {
   const ALLOWED_CONFIG_KEYS = new Set<string>([
     'window', 'performance', 'game', 'swapper', 'matchmaker',
     'keybinds', 'userscripts', 'ui', 'discord', 'translator',
-    'advanced', 'accounts', 'tabWindow', 'platform',
+    'advanced', 'accounts', 'tabWindow',
   ]);
 
   ipcMain.handle('get-version', () => appVersion);
@@ -745,7 +745,7 @@ async function launchApp(): Promise<void> {
 
   // ── Action button IPC handlers ──
   ipcMain.handle('open-electron-log', () => {
-    shell.openPath(getLogPath('electron'));
+    shell.openPath(getLogPath());
   });
   ipcMain.handle('reset-swapper', async () => {
     try {
diff --git a/src/main/logger.ts b/src/main/logger.ts
index d119004..53ad502 100644
--- a/src/main/logger.ts
+++ b/src/main/logger.ts
@@ -67,7 +67,7 @@ function makeLogger(getStream: () => WriteStream) {
 
 export const electronLog = makeLogger(() => electronStream);
 
-export function getLogPath(_type: 'electron'): string {
+export function getLogPath(): string {
   init();
   return electronPath;
 }
diff --git a/src/preload/competitive.ts b/src/preload/competitive.ts
index 1e9926c..ffcc7d1 100644
--- a/src/preload/competitive.ts
+++ b/src/preload/competitive.ts
@@ -61,10 +61,10 @@ function startHPCounter(): void {
 }
 
 function stopHPCounter(): void {
-    if (hpCheckInterval) { clearInterval(hpCheckInterval); hpCheckInterval = null; }
-    if (hpObserver) { hpObserver.disconnect(); hpObserver = null; }
-    if (hpCounterEl) { hpCounterEl.remove(); hpCounterEl = null; }
-    if (hpTimeout) { clearTimeout(hpTimeout); hpTimeout = null; }
+    clearInterval(hpCheckInterval!); hpCheckInterval = null;
+    hpObserver?.disconnect(); hpObserver = null;
+    hpCounterEl?.remove(); hpCounterEl = null;
+    clearTimeout(hpTimeout!); hpTimeout = null;
     hpPointCounter = null;
     hpEnemyOBJ = 0;
 }
@@ -72,11 +72,6 @@ function stopHPCounter(): void {
 export function initHPCounter(): void { startHPCounter(); }
 export function destroyHPCounter(): void { stopHPCounter(); }
 
-export function setHPCounterEnabled(enabled: boolean): void {
-    stopHPCounter();
-    if (enabled) startHPCounter();
-}
-
 // ── Rank Progress Tracker ──
 
 interface RankInfo {
diff --git a/src/preload/index.ts b/src/preload/index.ts
index e92ed3b..1800663 100644
--- a/src/preload/index.ts
+++ b/src/preload/index.ts
@@ -1427,7 +1427,7 @@ function renderUserscriptsSection(body: HTMLElement): void {
 function renderScriptSettings(inst: UserscriptInstance, container: HTMLElement): void {
   if (!inst.settings) return;
 
-  for (const [key, setting] of Object.entries(inst.settings)) {
+  for (const [, setting] of Object.entries(inst.settings)) {
     const typeClass = setting.type === 'bool' ? 'bool' : setting.type === 'sel' ? 'sel' : setting.type === 'num' ? 'num' : setting.type === 'keybind' ? 'keybind' : '';
     const row = document.createElement('div');
     row.className = 'setting settName safety-0' + (typeClass ? ' ' + typeClass : '');
@@ -1447,7 +1447,7 @@ function renderScriptSettings(inst: UserscriptInstance, container: HTMLElement):
         input.addEventListener('change', () => {
           setting.value = input.checked;
           if (typeof setting.changed === 'function') setting.changed(setting.value);
-          saveScriptSetting(inst, key);
+          saveScriptSetting(inst);
         });
         break;
       }
@@ -1463,7 +1463,7 @@ function renderScriptSettings(inst: UserscriptInstance, container: HTMLElement):
         input.addEventListener('change', () => {
           setting.value = parseFloat(input.value) || 0;
           if (typeof setting.changed === 'function') setting.changed(setting.value);
-          saveScriptSetting(inst, key);
+          saveScriptSetting(inst);
         });
         break;
       }
@@ -1483,7 +1483,7 @@ function renderScriptSettings(inst: UserscriptInstance, container: HTMLElement):
         select.addEventListener('change', () => {
           setting.value = select.value;
           if (typeof setting.changed === 'function') setting.changed(setting.value);
-          saveScriptSetting(inst, key);
+          saveScriptSetting(inst);
         });
         break;
       }
@@ -1496,7 +1496,7 @@ function renderScriptSettings(inst: UserscriptInstance, container: HTMLElement):
         input.addEventListener('input', () => {
           setting.value = input.value;
           if (typeof setting.changed === 'function') setting.changed(setting.value);
-          saveScriptSetting(inst, key);
+          saveScriptSetting(inst);
         });
         break;
       }
@@ -1510,7 +1510,7 @@ function renderScriptSettings(inst: UserscriptInstance, container: HTMLElement):
             setting.value = newBind;
             keyEl.textContent = keybindDisplayString(newBind);
             if (typeof setting.changed === 'function') setting.changed(setting.value);
-            saveScriptSetting(inst, key);
+            saveScriptSetting(inst);
           });
         });
         row.appendChild(keyEl);
@@ -1522,7 +1522,7 @@ function renderScriptSettings(inst: UserscriptInstance, container: HTMLElement):
   }
 }
 
-function saveScriptSetting(inst: UserscriptInstance, _key: string): void {
+function saveScriptSetting(inst: UserscriptInstance): void {
   if (!inst.settings) return;
   const prefs: Record<string, unknown> = {};
   for (const [k, s] of Object.entries(inst.settings)) {
diff --git a/src/preload/utils.ts b/src/preload/utils.ts
index 55bce0b..7c4a1f2 100644
--- a/src/preload/utils.ts
+++ b/src/preload/utils.ts
@@ -19,37 +19,10 @@ export function escapeHtml(s: string): string {
   return s.replace(/[&<>"']/g, c => HTML_ESCAPE_MAP[c]);
 }
 
-// ── Chat message injection ──
-// Creates messages in #chatHolder inside a persistent #kpcMessageHolder div.
-// timeout=0 means the message is persistent (not auto-removed).
-
-export function genChatMsg(text: string, timeout = 2.25): HTMLElement | null {
-  const chatHolder = document.getElementById('chatHolder');
-  if (!chatHolder) return null;
-  if (!document.getElementById('kpcMessageHolder')) {
-    chatHolder.insertAdjacentHTML('afterbegin', '<div id="kpcMessageHolder"></div>');
-  }
-  const holder = document.getElementById('kpcMessageHolder')!;
-  holder.insertAdjacentHTML('beforeend',
-    '<div class="chatHolder_kpc"><div class="chatItem_kpc"><span class="chatMsg_kpc">' +
-    escapeHtml(text) + '</span></div></div>');
-  const elem = holder.lastElementChild as HTMLElement;
-  if (timeout !== 0) {
-    setTimeout(() => { elem.remove(); }, timeout * 1000);
-  }
-  return elem;
-}
-
-// ── Filename sanitisation ──
-
-export function sanitizeFilename(name: string): string {
-  return name.replace(/[^a-zA-Z0-9_-]/g, '_');
-}
-
 // ── Shared CSS constants ──
 
-export const DEATH_ANIM_BLOCK_ID = 'kpc-animationBlock';
-export const DEATH_ANIM_BLOCK_CSS =
+const DEATH_ANIM_BLOCK_ID = 'kpc-animationBlock';
+const DEATH_ANIM_BLOCK_CSS =
   '.death-ui-bottom, .death-ui-bottom-empty { animation: none !important; transition: none !important; }';
 
 /** Inject or remove the death screen animation block style element. */