diff --git a/hutool-crypto/src/test/java/cn/hutool/crypto/test/symmetric/RC4Test.java b/hutool-crypto/src/test/java/cn/hutool/crypto/test/symmetric/RC4Test.java
index c54f09ef9..bb9980bd5 100644
--- a/hutool-crypto/src/test/java/cn/hutool/crypto/test/symmetric/RC4Test.java
+++ b/hutool-crypto/src/test/java/cn/hutool/crypto/test/symmetric/RC4Test.java
@@ -6,9 +6,6 @@ import org.junit.Test;
 
 import cn.hutool.crypto.symmetric.RC4;
 
-import java.nio.charset.Charset;
-import java.nio.charset.StandardCharsets;
-
 public class RC4Test {
 	
 	@Test