diff --git a/packages/angular_devkit/build_angular/src/babel/webpack-loader.ts b/packages/angular_devkit/build_angular/src/babel/webpack-loader.ts
index 3653ab20c4fc..abe66ea9967b 100644
--- a/packages/angular_devkit/build_angular/src/babel/webpack-loader.ts
+++ b/packages/angular_devkit/build_angular/src/babel/webpack-loader.ts
@@ -6,7 +6,6 @@
  * found in the LICENSE file at https://angular.io/license
  */
 
-import remapping from '@ampproject/remapping';
 import { custom } from 'babel-loader';
 import { ScriptTarget } from 'typescript';
 import { loadEsmModule } from '../utils/load-esm';
@@ -23,9 +22,6 @@ interface AngularCustomOptions extends Omit<ApplicationPresetOptions, 'instrumen
 
 export type AngularBabelLoaderOptions = AngularCustomOptions & Record<string, unknown>;
 
-// Extract Sourcemap input type from the remapping function since it is not currently exported
-type SourceMapInput = Exclude<Parameters<typeof remapping>[0], unknown[]>;
-
 /**
  * Cached instance of the compiler-cli linker's needsLinking function.
  */
@@ -218,7 +214,7 @@ export default custom<ApplicationPresetOptions>(() => {
         // Using `false` disables babel from attempting to locate sourcemaps or process any inline maps.
         // The babel types do not include the false option even though it is valid
         // eslint-disable-next-line @typescript-eslint/no-explicit-any
-        inputSourceMap: false as any,
+        inputSourceMap: configuration.options.inputSourceMap ?? (false as any),
         presets: [
           ...(configuration.options.presets || []),
           [
@@ -242,26 +238,5 @@ export default custom<ApplicationPresetOptions>(() => {
         ],
       };
     },
-    result(result, { map: inputSourceMap }) {
-      if (result.map && inputSourceMap) {
-        // Merge the intermediate sourcemap generated by babel with the input source map.
-        // The casting is required due to slight differences in the types for babel and
-        // `@ampproject/remapping` source map objects but both are compatible with Webpack.
-        // This method for merging is used because it provides more accurate output
-        // and is faster while using less memory.
-        result.map = {
-          // Convert the SourceMap back to simple plain object.
-          // This is needed because otherwise code-coverage will fail with `don't know how to turn this value into a node`
-          // Which is thrown by Babel if it is invoked again from `istanbul-lib-instrument`.
-          // https://github.com/babel/babel/blob/780aa48d2a34dc55f556843074b6aed45e7eabeb/packages/babel-types/src/converters/valueToNode.ts#L115-L130
-          ...(remapping(
-            [result.map as SourceMapInput, inputSourceMap as SourceMapInput],
-            () => null,
-          ) as typeof result.map),
-        };
-      }
-
-      return result;
-    },
   };
 });