diff --git a/packages/angular/build/src/builders/library/pipeline/bundler.ts b/packages/angular/build/src/builders/library/pipeline/bundler.ts
index 64042bd37f92..5cd89a4b110d 100644
--- a/packages/angular/build/src/builders/library/pipeline/bundler.ts
+++ b/packages/angular/build/src/builders/library/pipeline/bundler.ts
@@ -439,7 +439,10 @@ async function bundleAllDts(
   // Ensure Rolldown's native binding is initialized via `loadRolldown()` before evaluating
   // `rolldown-plugin-dts`, which has top-level imports of `rolldown/experimental`.
   await loadRolldown();
-  const { dts } = await import('rolldown-plugin-dts');
+  const { dts } = (await import('rolldown-plugin-dts' as string)) as typeof import(
+    'rolldown-plugin-dts',
+    { with: { 'resolution-mode': 'import' } }
+  );
 
   const dtsSourcemap = !!options.declarationMap;
   // Filter out `rolldown-plugin-dts:resolver` because all `.d.ts` files are already emitted
diff --git a/packages/angular/build/src/builders/library/pipeline/types.d.ts b/packages/angular/build/src/builders/library/pipeline/types.d.ts
deleted file mode 100644
index 100c539f098c..000000000000
--- a/packages/angular/build/src/builders/library/pipeline/types.d.ts
+++ /dev/null
@@ -1,54 +0,0 @@
-/**
- * @license
- * Copyright Google LLC All Rights Reserved.
- *
- * Use of this source code is governed by an MIT-style license that can be
- * found in the LICENSE file at https://angular.dev/license
- */
-
-declare module 'rolldown-plugin-dts' {
-  import type { Plugin } from 'rolldown';
-  import type { IsolatedDeclarationsOptions } from 'rolldown/experimental';
-
-  interface Logger {
-    info: (...args: unknown[]) => void;
-    warn: (...args: unknown[]) => void;
-    error: (...args: unknown[]) => void;
-  }
-  interface GeneralOptions {
-    generator?: 'tsc' | 'oxc' | 'tsgo';
-    entry?: string | string[];
-    cwd?: string;
-    dtsInput?: boolean;
-    emitDtsOnly?: boolean;
-    tsconfig?: string | boolean;
-    tsconfigRaw?: unknown;
-    compilerOptions?: unknown;
-    sourcemap?: boolean;
-    resolver?: 'oxc' | 'tsc';
-    cjsDefault?: boolean;
-    sideEffects?: boolean;
-    logger?: Logger;
-  }
-
-  interface TscOptions {
-    build?: boolean;
-    incremental?: boolean;
-    parallel?: boolean;
-    eager?: boolean;
-    newContext?: boolean;
-    emitJs?: boolean;
-  }
-
-  interface Options extends GeneralOptions, TscOptions {
-    oxc?: Omit<IsolatedDeclarationsOptions, 'sourcemap'>;
-    tsgo?: TsgoOptions;
-    customLanguages?: unknown[];
-  }
-
-  interface TsgoOptions {
-    path?: string;
-  }
-
-  export declare function dts(options?: Options): Plugin[];
-}