group/annotation association housekeeping

[jalview.git] / src / jalview / datamodel / AlignmentAnnotation.java

diff --git a/src/jalview/datamodel/AlignmentAnnotation.java b/src/jalview/datamodel/AlignmentAnnotation.java
index 22d637b..ddb420a 100755 (executable)
--- a/src/jalview/datamodel/AlignmentAnnotation.java
+++ b/src/jalview/datamodel/AlignmentAnnotation.java
@@ -124,6 +124,7 @@ public class AlignmentAnnotation
    */
   protected void finalize() throws Throwable
   {
+    sequenceRef = null;
     groupRef = null;
     super.finalize();
   }