diff --git a/packages/grpc-health-check/gulpfile.ts b/packages/grpc-health-check/gulpfile.ts
index 54ac624f..c01f133d 100644
--- a/packages/grpc-health-check/gulpfile.ts
+++ b/packages/grpc-health-check/gulpfile.ts
@@ -34,7 +34,10 @@ const runInstall = () => execa('npm', ['install', '--unsafe-perm'], {cwd: health
 
 const install = gulp.series(cleanLinks, runInstall);
 
-const linkAdd = () => linkSync(healthCheckDir, './node_modules/grpc', '../grpc-native-core');
+const linkAdd = (callback) => {
+  linkSync(healthCheckDir, './node_modules/grpc', '../grpc-native-core');
+  callback();
+}
 
 const test = () => gulp.src(`${testDir}/*.js`).pipe(mocha({reporter: 'mocha-jenkins-reporter'}));
 
diff --git a/test/gulpfile.ts b/test/gulpfile.ts
index baac1474..c903675f 100644
--- a/test/gulpfile.ts
+++ b/test/gulpfile.ts
@@ -21,7 +21,6 @@ import * as execa from 'execa';
 import * as path from 'path';
 import * as del from 'del';
 import * as semver from 'semver';
-import {linkSync} from '../util';
 
 const testDir = __dirname;
 const apiTestDir = path.resolve(testDir, 'api');