diff --git a/packages/angular_devkit/build_angular/src/babel/presets/application.ts b/packages/angular_devkit/build_angular/src/babel/presets/application.ts
index 5a092f6d89a9..fcc6b3bdd79f 100644
--- a/packages/angular_devkit/build_angular/src/babel/presets/application.ts
+++ b/packages/angular_devkit/build_angular/src/babel/presets/application.ts
@@ -137,6 +137,8 @@ export default function (api: unknown, options: ApplicationPresetOptions) {
     plugins.push(
       createEs2015LinkerPlugin({
         linkerJitMode: options.angularLinker.jitMode,
+        // This is a workaround until https://github.com/angular/angular/issues/42769 is fixed.
+        sourceMapping: false,
         logger: createNgtscLogger(options.diagnosticReporter),
         fileSystem: {
           resolve: path.resolve,