diff --git a/binding/java/src/main/java/org/lionsoul/ip2region/xdb/Header.java b/binding/java/src/main/java/org/lionsoul/ip2region/xdb/Header.java
index 8ff0680..a55cedc 100644
--- a/binding/java/src/main/java/org/lionsoul/ip2region/xdb/Header.java
+++ b/binding/java/src/main/java/org/lionsoul/ip2region/xdb/Header.java
@@ -6,9 +6,6 @@
 
 package org.lionsoul.ip2region.xdb;
 
-
-import java.awt.image.SampleModel;
-
 public class Header {
     public final int version;
     public final int indexPolicy;