diff --git a/extensions/vertx-http/deployment/src/main/java/io/quarkus/devui/deployment/menu/ContinuousTestingProcessor.java b/extensions/vertx-http/deployment/src/main/java/io/quarkus/devui/deployment/menu/ContinuousTestingProcessor.java
index 08787c427ab8f..ed41598d1cf3c 100644
--- a/extensions/vertx-http/deployment/src/main/java/io/quarkus/devui/deployment/menu/ContinuousTestingProcessor.java
+++ b/extensions/vertx-http/deployment/src/main/java/io/quarkus/devui/deployment/menu/ContinuousTestingProcessor.java
@@ -203,4 +203,4 @@ private void registerGetResultsMethod(LaunchModeBuildItem launchModeBuildItem) {
     private static final String NAMESPACE = "devui-continuous-testing";
     private static final String DASH = "-";
 
-}
\ No newline at end of file
+}
diff --git a/extensions/vertx-http/runtime/src/main/java/io/quarkus/devui/runtime/continuoustesting/ContinuousTestingJsonRPCService.java b/extensions/vertx-http/runtime/src/main/java/io/quarkus/devui/runtime/continuoustesting/ContinuousTestingJsonRPCService.java
index 6ca7ffa2a3532..7fc979b102c23 100644
--- a/extensions/vertx-http/runtime/src/main/java/io/quarkus/devui/runtime/continuoustesting/ContinuousTestingJsonRPCService.java
+++ b/extensions/vertx-http/runtime/src/main/java/io/quarkus/devui/runtime/continuoustesting/ContinuousTestingJsonRPCService.java
@@ -60,7 +60,6 @@ public String lastKnownResults() {
         return this.lastKnownResults;
     }
 
-    @NonBlocking
     public boolean start() {
         return invokeAction("start");
     }