diff --git a/handler/src/main/java/io/netty/handler/traffic/TrafficCounter.java b/handler/src/main/java/io/netty/handler/traffic/TrafficCounter.java
index b7a3610681..129535d52c 100644
--- a/handler/src/main/java/io/netty/handler/traffic/TrafficCounter.java
+++ b/handler/src/main/java/io/netty/handler/traffic/TrafficCounter.java
@@ -246,9 +246,6 @@ public class TrafficCounter {
      *            the checkInterval in millisecond between two computations.
      */
     public TrafficCounter(ScheduledExecutorService executor, String name, long checkInterval) {
-        if (executor == null) {
-            throw new NullPointerException("executor");
-        }
         if (name == null) {
             throw new NullPointerException("name");
         }
@@ -281,9 +278,6 @@ public class TrafficCounter {
         if (trafficShapingHandler == null) {
             throw new IllegalArgumentException("trafficShapingHandler");
         }
-        if (executor == null) {
-            throw new NullPointerException("executor");
-        }
         if (name == null) {
             throw new NullPointerException("name");
         }