A minor
diff --git a/kerby-asn1/src/main/java/org/apache/kerby/asn1/Asn1.java b/kerby-asn1/src/main/java/org/apache/kerby/asn1/Asn1.java
index 6da9a25..ec891f8 100644
--- a/kerby-asn1/src/main/java/org/apache/kerby/asn1/Asn1.java
+++ b/kerby-asn1/src/main/java/org/apache/kerby/asn1/Asn1.java
@@ -22,7 +22,6 @@
 import org.apache.kerby.asn1.type.Asn1ParsingContainer;
 import org.apache.kerby.asn1.type.Asn1Type;
 import org.apache.kerby.asn1.util.Asn1Reader1;
-import org.apache.kerby.asn1.util.Asn1Reader2;
 import org.apache.kerby.asn1.util.HexUtil;
 
 import java.io.IOException;