Index: lams_central/web/includes/javascript/authoring/authoringActivity.js
===================================================================
diff -u -r7e4e5c5afea0404304cf2f15fbfa79488fd1e92d -r707c51d0e1951053e406ad4fac8013ccb7f550ab
--- lams_central/web/includes/javascript/authoring/authoringActivity.js	(.../authoringActivity.js)	(revision 7e4e5c5afea0404304cf2f15fbfa79488fd1e92d)
+++ lams_central/web/includes/javascript/authoring/authoringActivity.js	(.../authoringActivity.js)	(revision 707c51d0e1951053e406ad4fac8013ccb7f550ab)
@@ -1786,6 +1786,8 @@
 				DecorationLib.removeLabel(item);
 			} else if (item instanceof DecorationDefs.Region) {
 				DecorationLib.removeRegion(item);
+			} else if (item instanceof ActivityDefs.Transition) {
+				ActivityLib.removeTransition(item);
 			} else {
 				ActivityLib.removeActivity(item);
 			}
Index: lams_central/web/includes/javascript/authoring/authoringProperty.js
===================================================================
diff -u -rab357d72e45b37b56d358c61b37f2e29286a7e80 -r707c51d0e1951053e406ad4fac8013ccb7f550ab
--- lams_central/web/includes/javascript/authoring/authoringProperty.js	(.../authoringProperty.js)	(revision ab357d72e45b37b56d358c61b37f2e29286a7e80)
+++ lams_central/web/includes/javascript/authoring/authoringProperty.js	(.../authoringProperty.js)	(revision 707c51d0e1951053e406ad4fac8013ccb7f550ab)
@@ -1803,8 +1803,7 @@
 		// hide trashcan button on properties dialog if read only or the item should not be deleted
 		$('.propertyBinButton', dialog).toggle(!object.readOnly 
 			&& !(object.parentActivity && object.parentActivity.readOnly) 
-			&& !(object.branchingActivity && object.branchingActivity.readOnly)
-			&& !(object instanceof ActivityDefs.Transition));
+			&& !(object.branchingActivity && object.branchingActivity.readOnly));
 		
 		modalBody.find('input').blur();
 		dialog.on('shown.bs.modal', function(){