diff --git a/src/common/architecture/scripts/Script.ts b/src/common/architecture/scripts/Script.ts
index 5cca2c4..8f45601 100644
--- a/src/common/architecture/scripts/Script.ts
+++ b/src/common/architecture/scripts/Script.ts
@@ -41,7 +41,7 @@
    * Priority with which the script is executed. Scripts with a lower value are
    * executed first.
    */
-  readonly priority: Number = 2 ** 31;
+  readonly priority: number = 2 ** 31;
 
   /**
    * Page where the script should be executed.
diff --git a/src/common/contentScriptsUtils.ts b/src/common/contentScriptsUtils.ts
index 588e4af..e5fc03d 100644
--- a/src/common/contentScriptsUtils.ts
+++ b/src/common/contentScriptsUtils.ts
@@ -6,7 +6,7 @@
   stylesheetName: string,
   attributes: StylesheetAttributes = {},
 ) {
-  var link = document.createElement('link');
+  const link = document.createElement('link');
   link.setAttribute('rel', 'stylesheet');
   link.setAttribute('href', stylesheetName);
   if ('media' in attributes) {
@@ -21,7 +21,7 @@
 }
 
 export function injectScript(scriptName: string, prepend = false) {
-  var script = document.createElement('script');
+  const script = document.createElement('script');
   script.src = scriptName;
   const root = document.head || document.documentElement;
   if (prepend) {
diff --git a/src/common/options/optionsPrototype.ts b/src/common/options/optionsPrototype.ts
index 671deb8..906e4b1 100644
--- a/src/common/options/optionsPrototype.ts
+++ b/src/common/options/optionsPrototype.ts
@@ -151,7 +151,7 @@
 
   // Internal kill switches
   killswitch_xhrproxy: {
-    defaultValue: undefined as any,
+    defaultValue: undefined as unknown,
     context: OptionContext.Internal,
     killSwitchType: KillSwitchType.InternalKillSwitch,
   },
@@ -227,7 +227,7 @@
 >;
 export const optionsPrototype: Record<
   string,
-  OptionPrototype<any>
+  OptionPrototype<unknown>
 > = rawOptionConfigs;
 
 export const options = Object.entries(optionsPrototype).map(
diff --git a/src/features/autoRefresh/nodeWatcherHandlers/threadListHide.handler.ts b/src/features/autoRefresh/nodeWatcherHandlers/threadListHide.handler.ts
index 4b1082d..d0a41de 100644
--- a/src/features/autoRefresh/nodeWatcherHandlers/threadListHide.handler.ts
+++ b/src/features/autoRefresh/nodeWatcherHandlers/threadListHide.handler.ts
@@ -1,5 +1,5 @@
 import CssSelectorNodeWatcherScriptHandler from '../../../common/architecture/scripts/nodeWatcher/handlers/CssSelectorNodeWatcherScriptHandler';
-import { NodeMutation, NodeMutationType } from '../../../common/nodeWatcher/NodeWatcherHandler';
+import { NodeMutationType } from '../../../common/nodeWatcher/NodeWatcherHandler';
 import { AutoRefreshNodeWatcherDependencies } from '../scripts/nodeWatcher.script';
 
 /**
@@ -12,7 +12,7 @@
     NodeMutationType.RemovedNode,
   ];
 
-  onMutatedNode(_: NodeMutation) {
+  onMutatedNode() {
     this.options.autoRefresh.hideUpdatePrompt();
   }
 }
diff --git a/src/features/autoRefresh/nodeWatcherHandlers/threadListSetUp.handler.ts b/src/features/autoRefresh/nodeWatcherHandlers/threadListSetUp.handler.ts
index 554be00..4806ed3 100644
--- a/src/features/autoRefresh/nodeWatcherHandlers/threadListSetUp.handler.ts
+++ b/src/features/autoRefresh/nodeWatcherHandlers/threadListSetUp.handler.ts
@@ -1,5 +1,4 @@
 import CssSelectorNodeWatcherScriptHandler from '../../../common/architecture/scripts/nodeWatcher/handlers/CssSelectorNodeWatcherScriptHandler';
-import { NodeMutation } from '../../../common/nodeWatcher/NodeWatcherHandler';
 import { AutoRefreshNodeWatcherDependencies } from '../scripts/nodeWatcher.script';
 
 /**
@@ -8,7 +7,7 @@
 export default class AutoRefreshThreadListSetUpHandler extends CssSelectorNodeWatcherScriptHandler<AutoRefreshNodeWatcherDependencies> {
   cssSelector = 'ec-thread-list';
 
-  onMutatedNode(_: NodeMutation) {
+  onMutatedNode() {
     this.options.autoRefresh.setUp();
   }
 }