diff --git a/src/common/architecture/entrypoint/EntrypointScriptRunner.ts b/src/common/architecture/entrypoint/EntrypointScriptRunner.ts
deleted file mode 100644
index f4d5f5c..0000000
--- a/src/common/architecture/entrypoint/EntrypointScriptRunner.ts
+++ /dev/null
@@ -1,28 +0,0 @@
-import Features from '../../../features/Features';
-import StandaloneScripts from '../../../presentation/standaloneScripts/Scripts';
-import ScriptProvider from '../scripts/ScriptProvider';
-import LegacyScriptRunner from '../scripts/LegacyScriptRunner';
-import { Context } from './Context';
-
-/**
- * @deprecated
- */
-export default class EntrypointScriptRunner {
-  private scriptRunner: LegacyScriptRunner;
-
-  constructor(public context: Context) {
-    this.scriptRunner = new LegacyScriptRunner();
-    this.addScriptProvider(new Features());
-    this.addScriptProvider(new StandaloneScripts());
-  }
-
-  addScriptProvider(scriptProvider: ScriptProvider): EntrypointScriptRunner {
-    const scripts = scriptProvider.getScripts(this.context);
-    this.scriptRunner.add(...scripts);
-    return this;
-  }
-
-  run() {
-    this.scriptRunner.run();
-  }
-}
diff --git a/src/common/architecture/features/Feature.ts b/src/common/architecture/features/Feature.ts
deleted file mode 100644
index 5f0cfa0..0000000
--- a/src/common/architecture/features/Feature.ts
+++ /dev/null
@@ -1,33 +0,0 @@
-import { OptionCodename } from '../../options/optionsPrototype';
-import Script, { ConcreteScript } from '../scripts/Script';
-
-/**
- * @deprecated
- */
-export default abstract class Feature {
-  /**
-   * Internal codename used for the feature.
-   *
-   * It will be used for i18n translations, shown in log messages, etc.
-   */
-  abstract readonly codename: string;
-
-  /**
-   * Options which control the behavior of this feature.
-   */
-  abstract readonly relatedOptions: OptionCodename[];
-
-  /**
-   * Uninitialized scripts which are associated with the feature.
-   */
-  abstract readonly scripts: ConcreteScript[];
-
-  private initializedScripts: Script[];
-
-  public getScripts() {
-    if (this.initializedScripts === undefined) {
-      this.initializedScripts = this.scripts.map((script) => new script());
-    }
-    return this.initializedScripts;
-  }
-}
diff --git a/src/common/architecture/scripts/LegacyScriptRunner.test.ts b/src/common/architecture/scripts/LegacyScriptRunner.test.ts
deleted file mode 100644
index 1ae8f72..0000000
--- a/src/common/architecture/scripts/LegacyScriptRunner.test.ts
+++ /dev/null
@@ -1,83 +0,0 @@
-import Script, {
-  ScriptEnvironment,
-  ScriptPage,
-  ScriptRunPhase,
-} from './Script';
-import { beforeEach, expect, it, jest } from '@jest/globals';
-import LegacyScriptRunner from './LegacyScriptRunner';
-
-interface FakeScriptOptions {
-  id: string;
-  priority: number;
-}
-
-class FakeScript extends Script {
-  id: string;
-  priority: number;
-  page: ScriptPage.CommunityConsole;
-  environment: ScriptEnvironment.ContentScript;
-  runPhase: ScriptRunPhase.Main;
-
-  constructor(options: FakeScriptOptions) {
-    super();
-    this.id = options.id;
-    this.priority = options.priority;
-  }
-
-  execute() {}
-}
-
-const fakeScriptMock = jest
-  .spyOn(FakeScript.prototype, 'execute')
-  .mockImplementation(function() {
-    return (this as FakeScript).id;
-  });
-
-beforeEach(() => {
-  jest.clearAllMocks();
-});
-
-it('scripts run in the correct order based on priority', () => {
-  const scriptsConfig = [
-    {
-      script: new FakeScript({
-        id: '1',
-        priority: 1,
-      }),
-      expectedRunPosition: 2,
-    },
-    {
-      script: new FakeScript({
-        id: '2',
-        priority: 1000,
-      }),
-      expectedRunPosition: 3,
-    },
-    {
-      script: new FakeScript({
-        id: '3',
-        priority: 0,
-      }),
-      expectedRunPosition: 1,
-    },
-    {
-      script: new FakeScript({
-        id: '4',
-        priority: 2 ** 31,
-      }),
-      expectedRunPosition: 4,
-    },
-  ];
-
-  const scriptRunner = new LegacyScriptRunner();
-  scriptRunner.add(...scriptsConfig.map((config) => config.script));
-  scriptRunner.run();
-
-  expect(fakeScriptMock).toHaveBeenCalledTimes(scriptsConfig.length);
-  for (const config of scriptsConfig) {
-    expect(fakeScriptMock).toHaveNthReturnedWith(
-      config.expectedRunPosition,
-      config.script.id,
-    );
-  }
-});
diff --git a/src/common/architecture/scripts/LegacyScriptRunner.ts b/src/common/architecture/scripts/LegacyScriptRunner.ts
deleted file mode 100644
index f7b3e82..0000000
--- a/src/common/architecture/scripts/LegacyScriptRunner.ts
+++ /dev/null
@@ -1,20 +0,0 @@
-import Script from './Script';
-
-export default class LegacyScriptRunner {
-  private scripts: Script[] = [];
-
-  add(...scripts: Script[]) {
-    this.scripts.push(...scripts);
-  }
-
-  run() {
-    this.scripts.sort((a, b) => {
-      if (a.priority < b.priority) return -1;
-      if (a.priority > b.priority) return 1;
-      return 0;
-    });
-    for (const script of this.scripts) {
-      script.execute();
-    }
-  }
-}
diff --git a/src/common/architecture/scripts/ScriptFilterListProvider.ts b/src/common/architecture/scripts/ScriptFilterListProvider.ts
deleted file mode 100644
index db2610f..0000000
--- a/src/common/architecture/scripts/ScriptFilterListProvider.ts
+++ /dev/null
@@ -1,22 +0,0 @@
-import { Context } from '../entrypoint/Context';
-import Script from './Script';
-import ScriptProvider from './ScriptProvider';
-
-/**
- * @deprecated
- */
-export default abstract class ScriptFilterListProvider
-  implements ScriptProvider
-{
-  protected abstract getUnfilteredScriptsList(): Script[];
-
-  getScripts(context: Context) {
-    const scripts = this.getUnfilteredScriptsList();
-    return scripts.filter(
-      (script) =>
-        script.page === context.page &&
-        script.environment === context.environment &&
-        script.runPhase === context.runPhase,
-    );
-  }
-}
diff --git a/src/common/architecture/scripts/ScriptProvider.ts b/src/common/architecture/scripts/ScriptProvider.ts
deleted file mode 100644
index 63b896e..0000000
--- a/src/common/architecture/scripts/ScriptProvider.ts
+++ /dev/null
@@ -1,9 +0,0 @@
-import { Context } from "../entrypoint/Context";
-import Script from "./Script";
-
-/**
- * @deprecated
- */
-export default interface ScriptProvider {
-  getScripts(context: Context): Script[];
-}
diff --git a/src/common/architecture/scripts/nodeWatcher/LegacyNodeWatcherScript.ts b/src/common/architecture/scripts/nodeWatcher/LegacyNodeWatcherScript.ts
deleted file mode 100644
index 211210d..0000000
--- a/src/common/architecture/scripts/nodeWatcher/LegacyNodeWatcherScript.ts
+++ /dev/null
@@ -1,38 +0,0 @@
-import NodeWatcherSingleton, { NodeWatcherAdapter } from '../../../../infrastructure/presentation/nodeWatcher/NodeWatcher.adapter';
-import { ConcreteNodeWatcherScriptHandler } from './handlers/NodeWatcherScriptHandler';
-import Script from '../Script';
-
-/**
- * @deprecated
- */
-export default abstract class LegacyNodeWatcherScript<Options> extends Script {
-  public abstract handlers: Map<
-    string,
-    ConcreteNodeWatcherScriptHandler<Options>
-  >;
-
-  private nodeWatcher: NodeWatcherAdapter;
-
-  constructor() {
-    super();
-
-    // TODO(https://iavm.xyz/b/226): Retrieve this via constructor injection.
-    this.nodeWatcher = NodeWatcherSingleton.getInstance();
-  }
-
-  /**
-   * Resolves to the options when the script is executed.
-   *
-   */
-  protected abstract optionsFactory(): Options;
-
-  execute() {
-    const options = this.optionsFactory();
-
-    this.nodeWatcher.start();
-    for (const [key, handlerClass] of this.handlers) {
-      const handler = new handlerClass(options);
-      this.nodeWatcher.setHandler(key, handler);
-    }
-  }
-}
diff --git a/src/common/architecture/scripts/nodeWatcher/handlers/CssSelectorNodeWatcherScriptHandler.ts b/src/common/architecture/scripts/nodeWatcher/handlers/CssSelectorNodeWatcherScriptHandler.ts
deleted file mode 100644
index 8756b72..0000000
--- a/src/common/architecture/scripts/nodeWatcher/handlers/CssSelectorNodeWatcherScriptHandler.ts
+++ /dev/null
@@ -1,30 +0,0 @@
-import { NodeWatcherScriptHandler } from './NodeWatcherScriptHandler';
-import { NodeMutation, NodeMutationType } from '../../../../../presentation/nodeWatcher/NodeWatcherHandler';
-
-/**
- * @deprecated
- */
-export default abstract class CssSelectorNodeWatcherScriptHandler<
-  Options,
-> extends NodeWatcherScriptHandler<Options> {
-  readonly mutationTypesProcessed: NodeMutationType[] = [
-    NodeMutationType.InitialDiscovery,
-    NodeMutationType.NewNode,
-  ];
-
-  abstract readonly cssSelector: string;
-
-  nodeFilter(nodeMutation: NodeMutation): boolean {
-    if (
-      !this.mutationTypesProcessed.includes(nodeMutation.type) ||
-      !(nodeMutation.node instanceof Element)
-    ) {
-      return false;
-    }
-    return nodeMutation.node.matches(this.cssSelector);
-  }
-
-  get initialDiscoverySelector() {
-    return this.cssSelector;
-  }
-}
diff --git a/src/common/architecture/scripts/nodeWatcher/handlers/NodeWatcherScriptHandler.ts b/src/common/architecture/scripts/nodeWatcher/handlers/NodeWatcherScriptHandler.ts
deleted file mode 100644
index 712f533..0000000
--- a/src/common/architecture/scripts/nodeWatcher/handlers/NodeWatcherScriptHandler.ts
+++ /dev/null
@@ -1,14 +0,0 @@
-import { NodeMutation, NodeWatcherHandler } from "../../../../../presentation/nodeWatcher/NodeWatcherHandler";
-
-export abstract class NodeWatcherScriptHandler<Options>
-  implements NodeWatcherHandler
-{
-  abstract initialDiscoverySelector?: string;
-  constructor(protected options: Options) {}
-  abstract nodeFilter(nodeMutation: NodeMutation): boolean;
-  abstract onMutatedNode(nodeMutation: NodeMutation): void;
-}
-
-export type ConcreteNodeWatcherScriptHandler<Options> = {
-  new (options: Options): NodeWatcherScriptHandler<Options>;
-};
diff --git a/src/common/architecture/scripts/setUpDependencies/SetUpDependenciesScript.ts b/src/common/architecture/scripts/setUpDependencies/SetUpDependenciesScript.ts
deleted file mode 100644
index 1774a58..0000000
--- a/src/common/architecture/scripts/setUpDependencies/SetUpDependenciesScript.ts
+++ /dev/null
@@ -1,16 +0,0 @@
-import DependenciesProviderSingleton, { Dependency } from "../../dependenciesProvider/DependenciesProvider";
-import Script from "../Script";
-
-/**
- * @deprecated
- */
-export default abstract class SetUpDependenciesScript extends Script {
-  abstract dependencies: Dependency[];
-
-  execute() {
-    const dependenciesProvider = DependenciesProviderSingleton.getInstance();
-    this.dependencies.forEach(dependency => {
-      dependenciesProvider.setUpDependency(dependency);
-    });
-  }
-}
diff --git a/src/entryPoints/communityConsole/contentScripts/main.ts b/src/entryPoints/communityConsole/contentScripts/main.ts
index c4f994f..47ec269 100644
--- a/src/entryPoints/communityConsole/contentScripts/main.ts
+++ b/src/entryPoints/communityConsole/contentScripts/main.ts
@@ -8,12 +8,6 @@
   StartupDataStorageDependency,
   WorkflowsImportDependency,
 } from '../../../common/architecture/dependenciesProvider/DependenciesProvider';
-import { Context } from '../../../common/architecture/entrypoint/Context';
-import {
-  ScriptEnvironment,
-  ScriptPage,
-  ScriptRunPhase,
-} from '../../../common/architecture/scripts/Script';
 import AutoRefreshThreadListHideHandler from '../../../features/autoRefresh/presentation/nodeWatcherHandlers/threadListHide.handler';
 import AutoRefreshThreadListSetUpHandler from '../../../features/autoRefresh/presentation/nodeWatcherHandlers/threadListSetUp.handler';
 import AutoRefreshStylesScript from '../../../features/autoRefresh/presentation/scripts/styles.script';
@@ -21,7 +15,6 @@
 import CCDarkThemeEcAppHandler from '../../../features/ccDarkTheme/presentation/nodeWatcherHandlers/ecApp.handler';
 import CCDarkThemeReportDialogHandler from '../../../features/ccDarkTheme/presentation/nodeWatcherHandlers/reportDialog.handler';
 import CCDarkThemeUnifiedProfilesIframeHandler from '../../../features/ccDarkTheme/presentation/nodeWatcherHandlers/unifiedProfilesIframe.handler';
-import Features from '../../../features/Features';
 import CCInfiniteScroll from '../../../features/infiniteScroll/core/ccInfiniteScroll';
 import { NodeWatcherAdapter } from '../../../infrastructure/presentation/nodeWatcher/NodeWatcher.adapter';
 import NodeWatcherScriptAdapter from '../../../infrastructure/presentation/scripts/NodeWatcherScript.adapter';
@@ -29,7 +22,6 @@
 import ScriptSorterAdapter from '../../../infrastructure/presentation/scripts/ScriptSorter.adapter';
 import { SortedScriptsProviderAdapter } from '../../../infrastructure/presentation/scripts/SortedScriptsProvider.adapter';
 import { NodeWatcherHandler } from '../../../presentation/nodeWatcher/NodeWatcherHandler';
-import StandaloneScripts from '../../../presentation/standaloneScripts/Scripts';
 import CCInfiniteScrollSetUpHandler from '../../../features/infiniteScroll/presentation/nodeWatcherHandlers/ccInfiniteScrollSetUp.handler';
 import CCInfiniteScrollLoadMoreBarHandler from '../../../features/infiniteScroll/presentation/nodeWatcherHandlers/ccInfiniteScrollLoadMoreBar.handler';
 import CCInfiniteScrollLoadMoreBtnHandler from '../../../features/infiniteScroll/presentation/nodeWatcherHandlers/ccInfiniteScrollLoadMoreBtn.handler';
@@ -68,12 +60,6 @@
 
   const ccInfiniteScroll = new CCInfiniteScroll();
 
-  const context: Context = {
-    page: ScriptPage.CommunityConsole,
-    environment: ScriptEnvironment.ContentScript,
-    runPhase: ScriptRunPhase.Main,
-  };
-
   return new ScriptRunner(
     new SortedScriptsProviderAdapter(
       [
@@ -161,10 +147,6 @@
         // Standalone scripts
         new ApplyStartupDataModificationsOnMainScript(startupDataStorage),
         new InjectLitComponentsScript(),
-
-        // Non-DI scripts (legacy, should be migrated to use a DI approach)
-        ...new Features().getScripts(context),
-        ...new StandaloneScripts().getScripts(context),
       ],
       new ScriptSorterAdapter(),
     ).getScripts(),
diff --git a/src/entryPoints/communityConsole/contentScripts/start.ts b/src/entryPoints/communityConsole/contentScripts/start.ts
index e7023a2..1d02a6b 100644
--- a/src/entryPoints/communityConsole/contentScripts/start.ts
+++ b/src/entryPoints/communityConsole/contentScripts/start.ts
@@ -8,21 +8,13 @@
   StartupDataStorageDependency,
   WorkflowsImportDependency,
 } from '../../../common/architecture/dependenciesProvider/DependenciesProvider';
-import { Context } from '../../../common/architecture/entrypoint/Context';
-import {
-  ScriptEnvironment,
-  ScriptPage,
-  ScriptRunPhase,
-} from '../../../common/architecture/scripts/Script';
 import AutoRefreshSetUpScript from '../../../features/autoRefresh/presentation/scripts/setUp.script';
 import CCDarkThemeInjectAutoDarkTheme from '../../../features/ccDarkTheme/presentation/scripts/injectAutoDarkTheme.script';
 import CCDarkThemeInjectForcedDarkTheme from '../../../features/ccDarkTheme/presentation/scripts/injectForcedDarkTheme.script';
-import Features from '../../../features/Features';
 import InteropThreadPageSetupScript from '../../../features/interopThreadPage/presentation/scripts/setup.script';
 import ScriptRunner from '../../../infrastructure/presentation/scripts/ScriptRunner';
 import ScriptSorterAdapter from '../../../infrastructure/presentation/scripts/ScriptSorter.adapter';
 import { SortedScriptsProviderAdapter } from '../../../infrastructure/presentation/scripts/SortedScriptsProvider.adapter';
-import StandaloneScripts from '../../../presentation/standaloneScripts/Scripts';
 import LoadDraftsSetupScript from '../../../features/loadDrafts/presentation/scripts/setup.script';
 import WorkflowsImportSetUpScript from '../../../features/workflows/presentation/scripts/importSetUp.script';
 import CCExtraInfoSetUpScript from '../../../features/extraInfo/presentation/scripts/ccExtraInfoSetUp.script';
@@ -48,12 +40,6 @@
     WorkflowsImportDependency,
   );
 
-  const context: Context = {
-    page: ScriptPage.CommunityConsole,
-    environment: ScriptEnvironment.ContentScript,
-    runPhase: ScriptRunPhase.Start,
-  };
-
   return new ScriptRunner(
     new SortedScriptsProviderAdapter(
       [
@@ -71,10 +57,6 @@
         new MWI18nServerScript(),
         new MWOptionsWatcherServerScript(),
         new XHRInterceptorScript(),
-
-        // Non-DI scripts (legacy, should be migrated to use a DI approach)
-        ...new Features().getScripts(context),
-        ...new StandaloneScripts().getScripts(context),
       ],
       new ScriptSorterAdapter(),
     ).getScripts(),
diff --git a/src/features/Features.ts b/src/features/Features.ts
deleted file mode 100644
index f3c9c98..0000000
--- a/src/features/Features.ts
+++ /dev/null
@@ -1,21 +0,0 @@
-import Feature from '../common/architecture/features/Feature';
-import ScriptFilterListProvider from '../common/architecture/scripts/ScriptFilterListProvider';
-
-export type ConcreteFeatureClass = { new (): Feature };
-
-export default class Features extends ScriptFilterListProvider {
-  private features: ConcreteFeatureClass[] = [];
-  private initializedFeatures: Feature[];
-
-  protected getUnfilteredScriptsList() {
-    const features = this.getFeatures();
-    return features.map((feature) => feature.getScripts()).flat(1);
-  }
-
-  private getFeatures() {
-    if (this.initializedFeatures === undefined) {
-      this.initializedFeatures = this.features.map((feature) => new feature());
-    }
-    return this.initializedFeatures;
-  }
-}
diff --git a/src/presentation/standaloneScripts/Scripts.ts b/src/presentation/standaloneScripts/Scripts.ts
deleted file mode 100644
index 7f3b602..0000000
--- a/src/presentation/standaloneScripts/Scripts.ts
+++ /dev/null
@@ -1,16 +0,0 @@
-import Script, {
-  ConcreteScript,
-} from '../../common/architecture/scripts/Script';
-import ScriptFilterListProvider from '../../common/architecture/scripts/ScriptFilterListProvider';
-
-export default class StandaloneScripts extends ScriptFilterListProvider {
-  private scripts: ConcreteScript[] = [];
-  private initializedScripts: Script[];
-
-  protected getUnfilteredScriptsList() {
-    if (this.initializedScripts === undefined) {
-      this.initializedScripts = this.scripts.map((script) => new script());
-    }
-    return this.initializedScripts;
-  }
-}