diff --git a/src/Java.Interop/GlobalSuppressions.cs b/src/Java.Interop/GlobalSuppressions.cs
index 2d9b410c6..d05a0ead4 100644
--- a/src/Java.Interop/GlobalSuppressions.cs
+++ b/src/Java.Interop/GlobalSuppressions.cs
@@ -8,6 +8,8 @@
 
 [assembly: SuppressMessage ("Design", "CA1008:Enums should have zero value", Justification = "No thanks", Scope = "type", Target = "~T:Java.Interop.JniVersion")]
 
+[assembly: SuppressMessage ("Design", "CA1012:Abstract types should not have constructors", Justification = "Public API checker in flux - Can change later", Scope = "type", Target = "~T:Java.Interop.JniRuntime.JniObjectReferenceManager")]
+
 [assembly: SuppressMessage ("Design", "CA1030:Use events where appropriate", Justification = "This isn't 'raising' an event; it's 'raising' a pending exception within the JVM.", Scope = "member", Target = "~M:Java.Interop.JniRuntime.RaisePendingException(System.Exception)")]
 
 [assembly: SuppressMessage ("Design", "CA1024:Use properties where appropriate", Justification = "<Pending>", Scope = "member", Target = "~M:Java.Interop.JniRuntime.GetRegisteredRuntimes()")]
diff --git a/src/Java.Interop/Java.Interop/JniRuntime.JniObjectReferenceManager.cs b/src/Java.Interop/Java.Interop/JniRuntime.JniObjectReferenceManager.cs
index f3fa06b43..5679f993a 100644
--- a/src/Java.Interop/Java.Interop/JniRuntime.JniObjectReferenceManager.cs
+++ b/src/Java.Interop/Java.Interop/JniRuntime.JniObjectReferenceManager.cs
@@ -14,6 +14,10 @@ partial class JniRuntime {
 
 		public abstract class JniObjectReferenceManager : IDisposable, ISetRuntime {
 
+			public JniObjectReferenceManager ()
+			{
+			}
+
 			public  JniRuntime      Runtime { get; private set; }
 
 			public virtual void OnSetRuntime (JniRuntime runtime)