diff --git a/extensions/websockets-next/deployment/src/test/java/io/quarkus/websockets/next/test/client/UnhandledMessageFailureLogStrategyTest.java b/extensions/websockets-next/deployment/src/test/java/io/quarkus/websockets/next/test/client/UnhandledMessageFailureLogStrategyTest.java
index 1b047d03e5bd7..664cbf1caf286 100644
--- a/extensions/websockets-next/deployment/src/test/java/io/quarkus/websockets/next/test/client/UnhandledMessageFailureLogStrategyTest.java
+++ b/extensions/websockets-next/deployment/src/test/java/io/quarkus/websockets/next/test/client/UnhandledMessageFailureLogStrategyTest.java
@@ -38,7 +38,7 @@ void testError() throws InterruptedException {
                 .connectAndAwait();
         connection.sendTextAndAwait("foo");
         assertFalse(connection.isClosed());
-        connection.sendText("bar");
+        connection.sendTextAndAwait("bar");
         assertTrue(ClientMessageErrorEndpoint.MESSAGE_LATCH.await(5, TimeUnit.SECONDS));
         assertEquals("bar", ClientMessageErrorEndpoint.MESSAGES.get(0));
     }
diff --git a/extensions/websockets-next/runtime/src/main/java/io/quarkus/websockets/next/runtime/BasicWebSocketConnectorImpl.java b/extensions/websockets-next/runtime/src/main/java/io/quarkus/websockets/next/runtime/BasicWebSocketConnectorImpl.java
index fb33732ca6c47..620369dddf0f4 100644
--- a/extensions/websockets-next/runtime/src/main/java/io/quarkus/websockets/next/runtime/BasicWebSocketConnectorImpl.java
+++ b/extensions/websockets-next/runtime/src/main/java/io/quarkus/websockets/next/runtime/BasicWebSocketConnectorImpl.java
@@ -22,7 +22,6 @@
 import io.quarkus.websockets.next.WebSocketClientException;
 import io.quarkus.websockets.next.WebSocketsClientRuntimeConfig;
 import io.smallrye.mutiny.Uni;
-import io.smallrye.mutiny.vertx.UniHelper;
 import io.vertx.core.Context;
 import io.vertx.core.Handler;
 import io.vertx.core.Vertx;
@@ -144,7 +143,7 @@ public Uni<WebSocketClientConnection> connect() {
             throw new WebSocketClientException(e);
         }
 
-        return UniHelper.toUni(client.connect(connectOptions))
+        return Uni.createFrom().completionStage(() -> client.connect(connectOptions).toCompletionStage())
                 .map(ws -> {
                     String clientId = BasicWebSocketConnector.class.getName();
                     TrafficLogger trafficLogger = TrafficLogger.forClient(config);
diff --git a/extensions/websockets-next/runtime/src/main/java/io/quarkus/websockets/next/runtime/WebSocketConnectionBase.java b/extensions/websockets-next/runtime/src/main/java/io/quarkus/websockets/next/runtime/WebSocketConnectionBase.java
index 4a0749a4f875c..3b5694e9ac8c6 100644
--- a/extensions/websockets-next/runtime/src/main/java/io/quarkus/websockets/next/runtime/WebSocketConnectionBase.java
+++ b/extensions/websockets-next/runtime/src/main/java/io/quarkus/websockets/next/runtime/WebSocketConnectionBase.java
@@ -11,7 +11,6 @@
 import io.quarkus.websockets.next.HandshakeRequest;
 import io.quarkus.websockets.next.WebSocketConnection.BroadcastSender;
 import io.smallrye.mutiny.Uni;
-import io.smallrye.mutiny.vertx.UniHelper;
 import io.vertx.core.buffer.Buffer;
 import io.vertx.core.buffer.impl.BufferImpl;
 import io.vertx.core.http.WebSocketBase;
@@ -55,14 +54,14 @@ public String pathParam(String name) {
     }
 
     public Uni<Void> sendText(String message) {
-        Uni<Void> uni = UniHelper.toUni(webSocket().writeTextMessage(message));
+        Uni<Void> uni = Uni.createFrom().completionStage(() -> webSocket().writeTextMessage(message).toCompletionStage());
         return trafficLogger == null ? uni : uni.invoke(() -> {
             trafficLogger.textMessageSent(this, message);
         });
     }
 
     public Uni<Void> sendBinary(Buffer message) {
-        Uni<Void> uni = UniHelper.toUni(webSocket().writeBinaryMessage(message));
+        Uni<Void> uni = Uni.createFrom().completionStage(() -> webSocket().writeBinaryMessage(message).toCompletionStage());
         return trafficLogger == null ? uni : uni.invoke(() -> trafficLogger.binaryMessageSent(this, message));
     }
 
@@ -81,7 +80,7 @@ public <M> Uni<Void> sendText(M message) {
     }
 
     public Uni<Void> sendPing(Buffer data) {
-        return UniHelper.toUni(webSocket().writePing(data));
+        return Uni.createFrom().completionStage(() -> webSocket().writePing(data).toCompletionStage());
     }
 
     void sendAutoPing() {
@@ -93,7 +92,7 @@ void sendAutoPing() {
     }
 
     public Uni<Void> sendPong(Buffer data) {
-        return UniHelper.toUni(webSocket().writePong(data));
+        return Uni.createFrom().completionStage(() -> webSocket().writePong(data).toCompletionStage());
     }
 
     public Uni<Void> close() {
@@ -105,7 +104,8 @@ public Uni<Void> close(CloseReason reason) {
             LOG.warnf("Connection already closed: %s", this);
             return Uni.createFrom().voidItem();
         }
-        return UniHelper.toUni(webSocket().close((short) reason.getCode(), reason.getMessage()));
+        return Uni.createFrom()
+                .completionStage(() -> webSocket().close((short) reason.getCode(), reason.getMessage()).toCompletionStage());
     }
 
     public boolean isSecure() {
diff --git a/extensions/websockets-next/runtime/src/main/java/io/quarkus/websockets/next/runtime/WebSocketConnectorImpl.java b/extensions/websockets-next/runtime/src/main/java/io/quarkus/websockets/next/runtime/WebSocketConnectorImpl.java
index 359a400f5160a..cb04b5cbb61ad 100644
--- a/extensions/websockets-next/runtime/src/main/java/io/quarkus/websockets/next/runtime/WebSocketConnectorImpl.java
+++ b/extensions/websockets-next/runtime/src/main/java/io/quarkus/websockets/next/runtime/WebSocketConnectorImpl.java
@@ -23,7 +23,6 @@
 import io.quarkus.websockets.next.runtime.WebSocketClientRecorder.ClientEndpoint;
 import io.quarkus.websockets.next.runtime.WebSocketClientRecorder.ClientEndpointsContext;
 import io.smallrye.mutiny.Uni;
-import io.smallrye.mutiny.vertx.UniHelper;
 import io.vertx.core.Vertx;
 import io.vertx.core.http.WebSocketClient;
 import io.vertx.core.http.WebSocketConnectOptions;
@@ -92,7 +91,7 @@ public Uni<WebSocketClientConnection> connect() {
         }
         subprotocols.forEach(connectOptions::addSubProtocol);
 
-        return UniHelper.toUni(client.connect(connectOptions))
+        return Uni.createFrom().completionStage(() -> client.connect(connectOptions).toCompletionStage())
                 .map(ws -> {
                     TrafficLogger trafficLogger = TrafficLogger.forClient(config);
                     WebSocketClientConnectionImpl connection = new WebSocketClientConnectionImpl(clientEndpoint.clientId, ws,
diff --git a/extensions/websockets-next/runtime/src/main/java/io/quarkus/websockets/next/runtime/WebSocketEndpointBase.java b/extensions/websockets-next/runtime/src/main/java/io/quarkus/websockets/next/runtime/WebSocketEndpointBase.java
index 5a1874647a0e3..937532cd52636 100644
--- a/extensions/websockets-next/runtime/src/main/java/io/quarkus/websockets/next/runtime/WebSocketEndpointBase.java
+++ b/extensions/websockets-next/runtime/src/main/java/io/quarkus/websockets/next/runtime/WebSocketEndpointBase.java
@@ -18,7 +18,6 @@
 import io.quarkus.websockets.next.runtime.ConcurrencyLimiter.PromiseComplete;
 import io.smallrye.mutiny.Multi;
 import io.smallrye.mutiny.Uni;
-import io.smallrye.mutiny.vertx.UniHelper;
 import io.vertx.core.Context;
 import io.vertx.core.Future;
 import io.vertx.core.Handler;
@@ -256,7 +255,7 @@ public void handle(Void event) {
                 }
             }
         });
-        return UniHelper.toUni(promise.future());
+        return Uni.createFrom().completionStage(() -> promise.future().toCompletionStage());
     }
 
     public Object beanInstance() {
diff --git a/extensions/websockets-next/runtime/src/main/java/io/quarkus/websockets/next/runtime/devui/WebSocketNextJsonRPCService.java b/extensions/websockets-next/runtime/src/main/java/io/quarkus/websockets/next/runtime/devui/WebSocketNextJsonRPCService.java
index 5df2e1d395b28..5878b1e6950fd 100644
--- a/extensions/websockets-next/runtime/src/main/java/io/quarkus/websockets/next/runtime/devui/WebSocketNextJsonRPCService.java
+++ b/extensions/websockets-next/runtime/src/main/java/io/quarkus/websockets/next/runtime/devui/WebSocketNextJsonRPCService.java
@@ -23,7 +23,6 @@
 import io.smallrye.mutiny.Multi;
 import io.smallrye.mutiny.Uni;
 import io.smallrye.mutiny.operators.multi.processors.BroadcastProcessor;
-import io.smallrye.mutiny.vertx.UniHelper;
 import io.vertx.core.Vertx;
 import io.vertx.core.http.WebSocket;
 import io.vertx.core.http.WebSocketClient;
@@ -110,12 +109,13 @@ public Uni<JsonObject> openDevConnection(String path, String endpointPath) {
         }
         WebSocketClient client = vertx.createWebSocketClient();
         String connectionKey = UUID.randomUUID().toString();
-        Uni<WebSocket> uni = UniHelper.toUni(client
+        Uni<WebSocket> uni = Uni.createFrom().completionStage(() -> client
                 .connect(new WebSocketConnectOptions()
                         .setPort(httpConfig.port)
                         .setHost(httpConfig.host)
                         .setURI(path)
-                        .addHeader(DEVUI_SOCKET_KEY_HEADER, connectionKey)));
+                        .addHeader(DEVUI_SOCKET_KEY_HEADER, connectionKey))
+                .toCompletionStage());
         return uni.onItem().transform(s -> {
             LOG.debugf("Opened Dev UI connection with key %s to %s", connectionKey, path);
             List<TextMessage> messages = new ArrayList<>();
@@ -181,7 +181,7 @@ private static String normalize(String path) {
     public Uni<JsonObject> closeDevConnection(String connectionKey) {
         DevWebSocket socket = sockets.remove(connectionKey);
         if (socket != null) {
-            Uni<Void> uni = UniHelper.toUni(socket.socket.close());
+            Uni<Void> uni = Uni.createFrom().completionStage(() -> socket.socket.close().toCompletionStage());
             return uni.onItem().transform(v -> {
                 LOG.debugf("Closed Dev UI connection with key %s", connectionKey);
                 return new JsonObject().put("success", true);
@@ -196,7 +196,7 @@ public Uni<JsonObject> closeDevConnection(String connectionKey) {
     public Uni<JsonObject> sendTextMessage(String connectionKey, String message) {
         DevWebSocket socket = sockets.get(connectionKey);
         if (socket != null) {
-            Uni<Void> uni = UniHelper.toUni(socket.socket.writeTextMessage(message));
+            Uni<Void> uni = Uni.createFrom().completionStage(() -> socket.socket.writeTextMessage(message).toCompletionStage());
             return uni.onItem().transform(v -> {
                 List<TextMessage> messages = socket.messages;
                 synchronized (messages) {