diff --git a/httpcore5/src/main/java/org/apache/hc/core5/http/impl/nio/ClientHttp1IOEventHandler.java b/httpcore5/src/main/java/org/apache/hc/core5/http/impl/nio/ClientHttp1IOEventHandler.java
index cd23cb8..0ed0a6e 100644
--- a/httpcore5/src/main/java/org/apache/hc/core5/http/impl/nio/ClientHttp1IOEventHandler.java
+++ b/httpcore5/src/main/java/org/apache/hc/core5/http/impl/nio/ClientHttp1IOEventHandler.java
@@ -27,7 +27,6 @@
 
 package org.apache.hc.core5.http.impl.nio;
 
-import org.apache.hc.core5.annotation.Internal;
 import org.apache.hc.core5.net.InetAddressUtils;
 
 /**
@@ -37,7 +36,6 @@
  *
  * @since 5.0
  */
-@Internal
 public class ClientHttp1IOEventHandler extends AbstractHttp1IOEventHandler {
 
     public ClientHttp1IOEventHandler(final ClientHttp1StreamDuplexer streamDuplexer) {
diff --git a/httpcore5/src/main/java/org/apache/hc/core5/http/impl/nio/ClientHttp1IOEventHandlerFactory.java b/httpcore5/src/main/java/org/apache/hc/core5/http/impl/nio/ClientHttp1IOEventHandlerFactory.java
index 2c39255..f33e0c8 100644
--- a/httpcore5/src/main/java/org/apache/hc/core5/http/impl/nio/ClientHttp1IOEventHandlerFactory.java
+++ b/httpcore5/src/main/java/org/apache/hc/core5/http/impl/nio/ClientHttp1IOEventHandlerFactory.java
@@ -28,7 +28,6 @@
 package org.apache.hc.core5.http.impl.nio;
 
 import org.apache.hc.core5.annotation.Contract;
-import org.apache.hc.core5.annotation.Internal;
 import org.apache.hc.core5.annotation.ThreadingBehavior;
 import org.apache.hc.core5.http.HttpHost;
 import org.apache.hc.core5.http.URIScheme;
@@ -46,7 +45,6 @@
  * @since 5.0
  */
 @Contract(threading = ThreadingBehavior.IMMUTABLE_CONDITIONAL)
-@Internal
 public class ClientHttp1IOEventHandlerFactory implements IOEventHandlerFactory {
 
     private final ClientHttp1StreamDuplexerFactory streamDuplexerFactory;
diff --git a/httpcore5/src/main/java/org/apache/hc/core5/http/impl/nio/ServerHttp1IOEventHandler.java b/httpcore5/src/main/java/org/apache/hc/core5/http/impl/nio/ServerHttp1IOEventHandler.java
index e2ffa60..2398e3d 100644
--- a/httpcore5/src/main/java/org/apache/hc/core5/http/impl/nio/ServerHttp1IOEventHandler.java
+++ b/httpcore5/src/main/java/org/apache/hc/core5/http/impl/nio/ServerHttp1IOEventHandler.java
@@ -27,7 +27,6 @@
 
 package org.apache.hc.core5.http.impl.nio;
 
-import org.apache.hc.core5.annotation.Internal;
 import org.apache.hc.core5.net.InetAddressUtils;
 
 /**
@@ -37,7 +36,6 @@
  *
  * @since 5.0
  */
-@Internal
 public class ServerHttp1IOEventHandler extends AbstractHttp1IOEventHandler {
 
     public ServerHttp1IOEventHandler(final ServerHttp1StreamDuplexer streamDuplexer) {
diff --git a/httpcore5/src/main/java/org/apache/hc/core5/http/impl/nio/ServerHttp1IOEventHandlerFactory.java b/httpcore5/src/main/java/org/apache/hc/core5/http/impl/nio/ServerHttp1IOEventHandlerFactory.java
index 5d9668a..111f615 100644
--- a/httpcore5/src/main/java/org/apache/hc/core5/http/impl/nio/ServerHttp1IOEventHandlerFactory.java
+++ b/httpcore5/src/main/java/org/apache/hc/core5/http/impl/nio/ServerHttp1IOEventHandlerFactory.java
@@ -28,7 +28,6 @@
 package org.apache.hc.core5.http.impl.nio;
 
 import org.apache.hc.core5.annotation.Contract;
-import org.apache.hc.core5.annotation.Internal;
 import org.apache.hc.core5.annotation.ThreadingBehavior;
 import org.apache.hc.core5.http.URIScheme;
 import org.apache.hc.core5.http.nio.ssl.TlsStrategy;
@@ -45,7 +44,6 @@
  * @since 5.0
  */
 @Contract(threading = ThreadingBehavior.IMMUTABLE_CONDITIONAL)
-@Internal
 public class ServerHttp1IOEventHandlerFactory implements IOEventHandlerFactory {
 
     private final ServerHttp1StreamDuplexerFactory streamDuplexerFactory;