diff --git a/codec-redis/src/test/java/io/netty/handler/codec/redis/RedisEncoderTest.java b/codec-redis/src/test/java/io/netty/handler/codec/redis/RedisEncoderTest.java
index 31bbc9688d..32803f4ee1 100644
--- a/codec-redis/src/test/java/io/netty/handler/codec/redis/RedisEncoderTest.java
+++ b/codec-redis/src/test/java/io/netty/handler/codec/redis/RedisEncoderTest.java
@@ -17,16 +17,13 @@
 package io.netty.handler.codec.redis;
 
 import io.netty.buffer.ByteBuf;
-import io.netty.buffer.CompositeByteBuf;
 import io.netty.buffer.Unpooled;
-import io.netty.channel.Channel;
 import io.netty.channel.embedded.EmbeddedChannel;
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
 
 import java.util.ArrayList;
-import java.util.Collections;
 import java.util.List;
 
 import static org.hamcrest.CoreMatchers.*;