diff --git a/test/unit/org/apache/cassandra/config/DatabaseDescriptorRefTest.java b/test/unit/org/apache/cassandra/config/DatabaseDescriptorRefTest.java
index 937783d46add..f9584b466edb 100644
--- a/test/unit/org/apache/cassandra/config/DatabaseDescriptorRefTest.java
+++ b/test/unit/org/apache/cassandra/config/DatabaseDescriptorRefTest.java
@@ -207,7 +207,11 @@ public class DatabaseDescriptorRefTest
     "org.apache.cassandra.transport.ProtocolException",
     "org.apache.cassandra.utils.Closeable",
     "org.apache.cassandra.utils.CloseableIterator",
+    "org.apache.cassandra.utils.Clock",
+    "org.apache.cassandra.utils.Clock$Global",
     "org.apache.cassandra.utils.FBUtilities",
+    "org.apache.cassandra.utils.NoSpamLogger",
+    "org.apache.cassandra.utils.NoSpamLogger$Clock",
     "org.apache.cassandra.utils.Pair",
     "org.apache.cassandra.utils.StorageCompatibilityMode",
     "org.apache.cassandra.utils.binlog.BinLogOptions",