diff --git a/src/main/java/io/vertx/core/http/HttpHeaders.java b/src/main/java/io/vertx/core/http/HttpHeaders.java
index 2b603af4feb..6cac31db38d 100644
--- a/src/main/java/io/vertx/core/http/HttpHeaders.java
+++ b/src/main/java/io/vertx/core/http/HttpHeaders.java
@@ -35,6 +35,7 @@
 public interface HttpHeaders {
 
   /** JVM system property that disables HTTP headers validation, don't use this in production. */
+  @Deprecated
   String DISABLE_HTTP_HEADERS_VALIDATION_PROP_NAME = "vertx.disableHttpHeadersValidation";
 
   /** Constant that disables HTTP headers validation, this is a constant so the JIT can eliminate validation code. */