diff --git a/handler/src/main/java/io/netty/handler/execution/MemoryAwareThreadPoolExecutor.java b/handler/src/main/java/io/netty/handler/execution/MemoryAwareThreadPoolExecutor.java
index f2d13f2765..7d6589b10d 100644
--- a/handler/src/main/java/io/netty/handler/execution/MemoryAwareThreadPoolExecutor.java
+++ b/handler/src/main/java/io/netty/handler/execution/MemoryAwareThreadPoolExecutor.java
@@ -452,10 +452,6 @@ public class MemoryAwareThreadPoolExecutor extends ThreadPoolExecutor {
      * make sure important tasks are not counted.
      */
     protected boolean shouldCount(Runnable task) {
-        if (task instanceof ChannelDownstreamEventRunnable) {
-            return false;
-        }
-
         if (task instanceof ChannelUpstreamEventRunnable) {
             ChannelUpstreamEventRunnable r = (ChannelUpstreamEventRunnable) task;
             ChannelEvent e = r.getEvent();