1 files changed, 5 insertions, 6 deletions
diff --git a/crypto/test/src/cms/test/AuthenticatedDataTest.cs b/crypto/test/src/cms/test/AuthenticatedDataTest.cs
index 55f220265..f1e7103b2 100644
--- a/crypto/test/src/cms/test/AuthenticatedDataTest.cs
+++ b/crypto/test/src/cms/test/AuthenticatedDataTest.cs
@@ -1,5 +1,4 @@
 using System;
-using System.Collections;
 using System.Text;
 
 using NUnit.Framework;
@@ -167,7 +166,7 @@ namespace Org.BouncyCastle.Cms.Tests
 
 			Assert.AreEqual(CmsAuthenticatedDataGenerator.DesEde3Cbc, ad.MacAlgOid);
 
-			ICollection c = recipients.GetRecipients();
+			var c = recipients.GetRecipients();
 
 			Assert.AreEqual(1, c.Count);
 
@@ -199,7 +198,7 @@ namespace Org.BouncyCastle.Cms.Tests
 
 			Assert.AreEqual(CmsAuthenticatedDataGenerator.DesEde3Cbc, ad.MacAlgOid);
 
-			ICollection c = recipients.GetRecipients();
+			var c = recipients.GetRecipients();
 
 			Assert.AreEqual(1, c.Count);
 
@@ -230,7 +229,7 @@ namespace Org.BouncyCastle.Cms.Tests
 
 			Assert.AreEqual(ad.MacAlgOid, macAlg);
 
-			ICollection c = recipients.GetRecipients();
+			var c = recipients.GetRecipients();
 
 			Assert.AreEqual(1, c.Count);
 
@@ -266,7 +265,7 @@ namespace Org.BouncyCastle.Cms.Tests
 
 			Assert.AreEqual(CmsAuthenticatedDataGenerator.DesEde3Cbc, ad.MacAlgOid);
 
-			ICollection c = recipients.GetRecipients();
+			var c = recipients.GetRecipients();
 
 			Assert.AreEqual(1, c.Count);
 
@@ -297,7 +296,7 @@ namespace Org.BouncyCastle.Cms.Tests
 
 			Assert.AreEqual(CmsAuthenticatedDataGenerator.DesEde3Cbc, ad.MacAlgOid);
 
-			ICollection c = recipients.GetRecipients();
+			var c = recipients.GetRecipients();
 
 			Assert.AreEqual(1, c.Count);