diff --git a/app/nodejs-v10/src/test/scala/io/scalajs/nodejs/dns/DNSAsyncTest.scala b/app/nodejs-v10/src/test/scala/io/scalajs/nodejs/dns/DNSAsyncTest.scala
deleted file mode 100644
index b290db30c..000000000
--- a/app/nodejs-v10/src/test/scala/io/scalajs/nodejs/dns/DNSAsyncTest.scala
+++ /dev/null
@@ -1,132 +0,0 @@
-package io.scalajs.nodejs
-package dns
-
-import scala.concurrent.{ExecutionContext, Promise}
-import scala.scalajs.js
-import org.scalatest.funspec.AsyncFunSpec
-
-/** DNS Tests
-  */
-class DNSAsyncTest extends AsyncFunSpec {
-  private val domain   = "google.com"
-  private val resolver = new DNS.promises.Resolver()
-
-  override implicit val executionContext = ExecutionContext.Implicits.global
-
-  describe("DNS") {
-    it("supports lookup") {
-      val promise = Promise[String]()
-      DNS.lookup(
-        domain,
-        (err, ipAddress) => {
-          assert(err === null)
-          promise.success(ipAddress)
-        }
-      )
-      promise.future.map { ipAddress =>
-        assert(ipAddress.nonEmpty)
-      }
-    }
-
-    it("supports lookupService:SSH") {
-      val promise = Promise[(String, String)]()
-      DNS.lookupService(
-        "127.0.0.1",
-        22,
-        (err, hostname, service) => {
-          assert(err === null)
-          promise.success((hostname, service))
-        }
-      )
-      promise.future.map { case (host, service) =>
-        assert(host === "localhost")
-        assert(service === "ssh")
-      }
-    }
-
-    it("supports resolve:NS") {
-      val promise = Promise[js.Array[String]]()
-      DNS.resolve(
-        domain,
-        "NS",
-        (err: DnsError, addresses: ResolveResult) => {
-          assert(err === null)
-          promise.success(addresses.asInstanceOf[js.Array[String]])
-        }
-      )
-      promise.future.map { addresses =>
-        assert(addresses.nonEmpty)
-      }
-    }
-  }
-
-  describe("DNS future extension") {
-    it("supports lookupFuture") {
-      DNS.lookupFuture(domain) map { case (ipAddress, ttl) =>
-        assert(ttl > 0 && ipAddress.nonEmpty)
-      }
-    }
-
-    it("supports lookupServiceFuture:SSH") {
-      DNS.lookupServiceFuture("127.0.0.1", 22) map { case (hostname, service) =>
-        assert(hostname.nonEmpty && service.nonEmpty)
-      }
-    }
-
-    it("supports resolveFuture:MX") {
-      DNS.resolveFuture(domain, RRTYPE_MX) map { response =>
-        val result = response.asInstanceOf[js.Array[MX]]
-        assert(result(0).priority > 0 && result(0).exchange.nonEmpty)
-      }
-    }
-
-    it("supports resolveFuture:NS") {
-      DNS.resolveFuture(domain, RRTYPE_NS) map { response =>
-        val result = response.asInstanceOf[js.Array[String]]
-        assert(result(0).nonEmpty)
-      }
-    }
-
-    it("supports resolveFuture:SOA") {
-      DNS.resolveFuture(domain, RRTYPE_SOA) map { response =>
-        val result = response.asInstanceOf[SOA]
-        assert(result.expire > 0 && result.hostmaster.nonEmpty)
-      }
-    }
-
-    it("supports reverseFuture") {
-      DNS.reverseFuture("216.58.218.142") map { hostnames =>
-        assert(hostnames.nonEmpty && hostnames(0).nonEmpty)
-      }
-    }
-  }
-
-  describe("PromisesResolver") {
-    it("supports resolveFuture:MX") {
-      resolver.resolve(domain, RRTYPE_MX).toFuture map { response =>
-        val result = response.asInstanceOf[js.Array[MX]]
-        assert(result(0).priority > 0 && result(0).exchange.nonEmpty)
-      }
-    }
-
-    it("supports resolveFuture:NS") {
-      resolver.resolve(domain, RRTYPE_NS).toFuture map { response =>
-        val result = response.asInstanceOf[js.Array[String]]
-        assert(result(0).nonEmpty)
-      }
-    }
-
-    it("supports resolveFuture:SOA") {
-      resolver.resolve(domain, RRTYPE_SOA).toFuture map { response =>
-        val result = response.asInstanceOf[SOA]
-        assert(result.expire > 0 && result.hostmaster.nonEmpty)
-      }
-    }
-
-    it("supports reverseFuture") {
-      resolver.reverse("216.58.218.142").toFuture map { hostnames =>
-        assert(hostnames.nonEmpty && hostnames(0).nonEmpty)
-      }
-    }
-  }
-}