diff --git a/transport/src/main/java/io/netty/channel/ChannelHandlerInvokerUtil.java b/transport/src/main/java/io/netty/channel/ChannelHandlerInvokerUtil.java
index 9015bd787e..c820cd649e 100644
--- a/transport/src/main/java/io/netty/channel/ChannelHandlerInvokerUtil.java
+++ b/transport/src/main/java/io/netty/channel/ChannelHandlerInvokerUtil.java
@@ -168,11 +168,6 @@ public final class ChannelHandlerInvokerUtil {
         }
     }
 
-    public static void invokeWriteAndFlushNow(ChannelHandlerContext ctx, Object msg, ChannelPromise promise) {
-        invokeWriteNow(ctx, msg, promise);
-        invokeFlushNow(ctx);
-    }
-
     public static boolean validatePromise(
             ChannelHandlerContext ctx, ChannelPromise promise, boolean allowVoidPromise) {
         if (ctx == null) {