diff --git a/src/main/java/com/artipie/vertx/DummySubscriber.java b/src/main/java/com/artipie/vertx/DummySubscriber.java
deleted file mode 100644
index e327bcc..0000000
--- a/src/main/java/com/artipie/vertx/DummySubscriber.java
+++ /dev/null
@@ -1,76 +0,0 @@
-/*
- * The MIT License (MIT)
- *
- * Copyright (c) 2020 artipie.com
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-package com.artipie.vertx;
-
-import com.jcabi.log.Logger;
-import io.vertx.reactivex.core.buffer.Buffer;
-import io.vertx.reactivex.core.http.HttpServerResponse;
-import org.reactivestreams.Subscriber;
-import org.reactivestreams.Subscription;
-
-/**
- * A dummy wrapper over {@link HttpServerResponse} to behave like a {@link Subscriber}, which
- * doesn't care about backpressure.
- *
- * @since 0.1
- */
-final class DummySubscriber implements Subscriber<Buffer> {
-
-    /**
-     * The wrapped response.
-     */
-    private final HttpServerResponse response;
-
-    /**
-     * Ctor.
-     * @param response The response.
-     */
-    DummySubscriber(final HttpServerResponse response) {
-        this.response = response;
-    }
-
-    @Override
-    public void onSubscribe(final Subscription subscription) {
-        this.response.setChunked(true);
-        subscription.request(Long.MAX_VALUE);
-    }
-
-    @Override
-    public void onNext(final Buffer buffer) {
-        this.response.write(buffer);
-    }
-
-    @Override
-    public void onError(final Throwable thr) {
-        Logger.error(DummySubscriber.class, "Error occurred: %s", thr.getMessage());
-        final int internal = 500;
-        this.response.setStatusCode(internal).end();
-    }
-
-    @Override
-    public void onComplete() {
-        this.response.end();
-    }
-}
diff --git a/src/main/java/com/artipie/vertx/VertxSliceServer.java b/src/main/java/com/artipie/vertx/VertxSliceServer.java
index d50af90..51e7fd9 100644
--- a/src/main/java/com/artipie/vertx/VertxSliceServer.java
+++ b/src/main/java/com/artipie/vertx/VertxSliceServer.java
@@ -135,12 +135,13 @@ private Handler<HttpServerRequest> proxyHandler() {
                     for (final Map.Entry<String, String> header : headers) {
                         response.putHeader(header.getKey(), header.getValue());
                     }
+                    response.setChunked(true);
                     Flowable.fromPublisher(FlowAdapters.toPublisher(body)).map(
                         buf -> {
                             final byte[] bytes = new byte[buf.remaining()];
                             buf.get(bytes);
                             return Buffer.buffer(bytes);
-                        }).subscribe(new DummySubscriber(response));
+                        }).subscribe(response.toSubscriber());
                 }
             );
         };