1 files changed, 0 insertions, 7 deletions
diff --git a/crypto/src/cms/SignerInfoGenerator.cs b/crypto/src/cms/SignerInfoGenerator.cs
index 04c437614..d55083a86 100644
--- a/crypto/src/cms/SignerInfoGenerator.cs
+++ b/crypto/src/cms/SignerInfoGenerator.cs
@@ -1,17 +1,10 @@
 using Org.BouncyCastle.Asn1;
 using Org.BouncyCastle.Asn1.Cms;
-using Org.BouncyCastle.Asn1.X509;
 using Org.BouncyCastle.Crypto;
 using Org.BouncyCastle.X509;
 
 namespace Org.BouncyCastle.Cms
 {
-    internal interface ISignerInfoGenerator
-    {
-        SignerInfo Generate(DerObjectIdentifier contentType, AlgorithmIdentifier digestAlgorithm,
-            byte[] calculatedDigest);
-    }
-
     public class SignerInfoGenerator
     {
         internal X509Certificate certificate;