1 files changed, 0 insertions, 3 deletions
diff --git a/crypto/src/cms/CMSEnvelopedData.cs b/crypto/src/cms/CMSEnvelopedData.cs
index 223d0ca73..8ecdcc8d7 100644
--- a/crypto/src/cms/CMSEnvelopedData.cs
+++ b/crypto/src/cms/CMSEnvelopedData.cs
@@ -1,12 +1,9 @@
 using System;
-using System.Collections;
 using System.IO;
 
 using Org.BouncyCastle.Asn1;
 using Org.BouncyCastle.Asn1.Cms;
 using Org.BouncyCastle.Asn1.X509;
-using Org.BouncyCastle.Crypto;
-using Org.BouncyCastle.Security;
 
 namespace Org.BouncyCastle.Cms
 {