diff --git a/HIRS_Utils/src/main/java/hirs/data/persist/certificate/Certificate.java b/HIRS_Utils/src/main/java/hirs/data/persist/certificate/Certificate.java
index 79146587..feafa223 100644
--- a/HIRS_Utils/src/main/java/hirs/data/persist/certificate/Certificate.java
+++ b/HIRS_Utils/src/main/java/hirs/data/persist/certificate/Certificate.java
@@ -12,9 +12,6 @@ import org.bouncycastle.asn1.ASN1Integer;
 import org.bouncycastle.asn1.ASN1Primitive;
 import org.bouncycastle.asn1.ASN1Sequence;
 import org.bouncycastle.asn1.x500.X500Name;
-import org.bouncycastle.asn1.x500.style.RFC4519Style;
-import org.bouncycastle.asn1.x500.AttributeTypeAndValue;
-import org.bouncycastle.asn1.x500.RDN;
 import org.bouncycastle.asn1.x509.AttributeCertificate;
 import org.bouncycastle.asn1.x509.AttributeCertificateInfo;
 import org.bouncycastle.asn1.x509.AttCertIssuer;