don't finness the alignment annotation modification methods by modifying the vector...

diff --git a/src/jalview/viewmodel/AlignmentViewport.java b/src/jalview/viewmodel/AlignmentViewport.java
index 07ec95e..9e9c3fe 100644 (file)
--- a/src/jalview/viewmodel/AlignmentViewport.java
+++ b/src/jalview/viewmodel/AlignmentViewport.java
@@ -1506,7 +1506,6 @@ public abstract class AlignmentViewport implements AlignViewportI
         {
           oldrfs.add(aan[an].groupRef);
           alignment.deleteAnnotation(aan[an]);
-          aan[an] = null;
         }
       }
     }