diff --git a/handler/src/main/java/io/netty/handler/traffic/ChannelTrafficShapingHandler.java b/handler/src/main/java/io/netty/handler/traffic/ChannelTrafficShapingHandler.java
index 4fc4151124..4609c2ad36 100644
--- a/handler/src/main/java/io/netty/handler/traffic/ChannelTrafficShapingHandler.java
+++ b/handler/src/main/java/io/netty/handler/traffic/ChannelTrafficShapingHandler.java
@@ -23,7 +23,7 @@ import io.netty.channel.ChannelStateEvent;
 import io.netty.handler.execution.ExecutionHandler;
 import io.netty.handler.execution.MemoryAwareThreadPoolExecutor;
 import io.netty.handler.execution.OrderedMemoryAwareThreadPoolExecutor;
-import io.netty.util.ObjectSizeEstimator;
+import io.netty.handler.execution.ObjectSizeEstimator;
 
 /**
  * This implementation of the {@link AbstractTrafficShapingHandler} is for channel
diff --git a/handler/src/main/java/io/netty/handler/traffic/GlobalTrafficShapingHandler.java b/handler/src/main/java/io/netty/handler/traffic/GlobalTrafficShapingHandler.java
index 06055e2cb9..a9a96a436c 100644
--- a/handler/src/main/java/io/netty/handler/traffic/GlobalTrafficShapingHandler.java
+++ b/handler/src/main/java/io/netty/handler/traffic/GlobalTrafficShapingHandler.java
@@ -21,7 +21,7 @@ import io.netty.channel.ChannelHandler.Sharable;
 import io.netty.handler.execution.ExecutionHandler;
 import io.netty.handler.execution.MemoryAwareThreadPoolExecutor;
 import io.netty.handler.execution.OrderedMemoryAwareThreadPoolExecutor;
-import io.netty.util.ObjectSizeEstimator;
+import io.netty.handler.execution.ObjectSizeEstimator;
 
 /**
  * This implementation of the {@link AbstractTrafficShapingHandler} is for global