1 files changed, 1 insertions, 3 deletions
diff --git a/crypto/src/cms/CMSSignedDataStreamGenerator.cs b/crypto/src/cms/CMSSignedDataStreamGenerator.cs
index e247beea0..91a8b4a43 100644
--- a/crypto/src/cms/CMSSignedDataStreamGenerator.cs
+++ b/crypto/src/cms/CMSSignedDataStreamGenerator.cs
@@ -174,9 +174,7 @@ namespace Org.BouncyCastle.Cms
                         {
                             if (signed != null && signed[CmsAttributes.ContentType] != null)
                             {
-                                IDictionary tmpSigned = signed.ToDictionary();
-                                tmpSigned.Remove(CmsAttributes.ContentType);
-                                signed = new Asn1.Cms.AttributeTable(tmpSigned);
+								signed = signed.Remove(CmsAttributes.ContentType);
                             }
                         }