diff --git a/angular/devkit/compiler/ng-packagr/ng-packagr.compiler.ts b/angular/devkit/compiler/ng-packagr/ng-packagr.compiler.ts
index 14fed971..f71680c4 100644
--- a/angular/devkit/compiler/ng-packagr/ng-packagr.compiler.ts
+++ b/angular/devkit/compiler/ng-packagr/ng-packagr.compiler.ts
@@ -21,12 +21,10 @@ import { CyclicError } from '@teambit/graph.cleargraph';
 import { IsolatorAspect, IsolatorMain } from '@teambit/isolator';
 import { PACKAGE_JSON } from '@teambit/legacy/dist/constants';
 import PackageJsonFile from '@teambit/legacy/dist/consumer/component/package-json-file';
-import removeFilesAndEmptyDirsRecursively
-  from '@teambit/legacy/dist/utils/fs/remove-files-and-empty-dirs-recursively';
 import { Logger } from '@teambit/logger';
 import { Workspace } from '@teambit/workspace';
 import chalk from 'chalk';
-import { mkdirsSync, outputFileSync } from 'fs-extra';
+import { mkdirsSync, outputFileSync, removeSync } from 'fs-extra';
 import type { NgPackageConfig } from 'ng-packagr/ng-package.schema';
 import { join, posix, resolve } from 'path';
 import { Diagnostic, DiagnosticCategory, DiagnosticWithLocation } from 'typescript';
@@ -239,8 +237,8 @@ export class NgPackagrCompiler implements Compiler {
         packageJson.mergePackageJsonObject(jsonProps);
         await packageJson.write();
         // delete the [ng-]package.json file generated by ngPackagr
-        await removeFilesAndEmptyDirsRecursively([resolve(join(pathToOutputFolder, this.distDir, PACKAGE_JSON))]);
-        await removeFilesAndEmptyDirsRecursively([resolve(ngPackageJsonPath)]);
+        removeSync(resolve(join(pathToOutputFolder, this.distDir, PACKAGE_JSON)));
+        removeSync(resolve(ngPackageJsonPath));
         // eslint-disable-next-line consistent-return
       }, async(err: Error) => {
         if (err.message === ViewEngineTemplateError && !tsCompilerOptions.fullTemplateTypeCheck) {
diff --git a/angular/devkit/preview/preview/preview-app/tsconfig.app.json b/angular/devkit/preview/preview/preview-app/tsconfig.app.json
index c81463bc..7263ce21 100644
--- a/angular/devkit/preview/preview/preview-app/tsconfig.app.json
+++ b/angular/devkit/preview/preview/preview-app/tsconfig.app.json
@@ -5,12 +5,6 @@
     "allowJs": true,
     "allowSyntheticDefaultImports": true,
     "baseUrl": "./",
-    "outDir": "./dist/out-tsc/app",
-    "forceConsistentCasingInFileNames": true,
-    "strict": true,
-    "noImplicitReturns": true,
-    "noFallthroughCasesInSwitch": true,
-    "sourceMap": true,
     "declaration": false,
     "downlevelIteration": true,
     "experimentalDecorators": true,
@@ -27,6 +21,7 @@
     "noImplicitReturns": true,
     "outDir": "./dist/out-tsc/app",
     "preserveSymlinks": false,
+    "skipLibCheck": true,
     "sourceMap": true,
     "strict": true,
     "target": "es5"