diff --git a/packages/angular/build/src/builders/unit-test/builder.ts b/packages/angular/build/src/builders/unit-test/builder.ts
index 1fb1aa06a1b2..84b41f1a280a 100644
--- a/packages/angular/build/src/builders/unit-test/builder.ts
+++ b/packages/angular/build/src/builders/unit-test/builder.ts
@@ -122,6 +122,7 @@ export async function* execute(
     index: false,
     browser: undefined,
     server: undefined,
+    outputMode: undefined,
     localize: false,
     budgets: [],
     serviceWorker: false,