diff --git a/pulsar-client/src/main/java/org/apache/pulsar/client/impl/ConsumerImpl.java b/pulsar-client/src/main/java/org/apache/pulsar/client/impl/ConsumerImpl.java
index e86651523167d6..fd9d2d41af1924 100644
--- a/pulsar-client/src/main/java/org/apache/pulsar/client/impl/ConsumerImpl.java
+++ b/pulsar-client/src/main/java/org/apache/pulsar/client/impl/ConsumerImpl.java
@@ -35,7 +35,6 @@
 import java.nio.ByteBuffer;
 import java.util.ArrayList;
 import java.util.Arrays;
-import java.util.BitSet;
 import java.util.Collections;
 import java.util.HashMap;
 import java.util.List;