diff --git a/calendar/resources/content/calendar.xul b/calendar/resources/content/calendar.xul
index 042d981f099d..c314adbe27b9 100644
--- a/calendar/resources/content/calendar.xul
+++ b/calendar/resources/content/calendar.xul
@@ -497,12 +497,17 @@
 
 <!-- V I S I B L E  C O N T E N T  -->
 
+<vbox id="calendar-top-box"
+      flex="1"
+      context="context-menu">
+
+<!--Bug 306877: Removed drag and drop support for 0.3a1.  Reimplement this!
 <vbox id="calendar-top-box"
       flex="1"
       context="context-menu"
       ondraggesture="nsDragAndDrop.startDrag(event,calendarManagerDNDObserver);"
       ondragover="nsDragAndDrop.dragOver(event,calendarManagerDNDObserver)"
-      ondragdrop="nsDragAndDrop.drop(event,calendarManagerDNDObserver)">
+      ondragdrop="nsDragAndDrop.drop(event,calendarManagerDNDObserver)">-->
 
   <!-- Calendar Controls-->
  
diff --git a/calendar/resources/content/dayView.js b/calendar/resources/content/dayView.js
index 4556a0eff385..01c82d193907 100644
--- a/calendar/resources/content/dayView.js
+++ b/calendar/resources/content/dayView.js
@@ -479,9 +479,6 @@ DayView.prototype.createEventBoxInternal = function(event)
    eventBox.setAttribute( "ondblclick", "dayEventItemDoubleClick( this, event )" );
    eventBox.setAttribute( "onmouseover", "onMouseOverGridOccurrence(event)" );
    eventBox.setAttribute( "tooltip", "gridOccurrenceTooltip" );
-   eventBox.setAttribute( "ondraggesture", "nsDragAndDrop.startDrag(event,calendarViewDNDObserver);" );
-   eventBox.setAttribute( "ondragover", "nsDragAndDrop.dragOver(event,calendarViewDNDObserver)" );
-   eventBox.setAttribute( "ondragdrop", "nsDragAndDrop.drop(event,calendarViewDNDObserver)" );
    
    // mark the box as selected, if the event is
    if (this.calendarWindow.EventSelection.isSelectedEvent(calEvent))
diff --git a/calendar/resources/content/monthView.js b/calendar/resources/content/monthView.js
index 40863283685e..a435dc334d1a 100644
--- a/calendar/resources/content/monthView.js
+++ b/calendar/resources/content/monthView.js
@@ -194,10 +194,6 @@ function MonthView( calendarWindow )
          
          dayBoxItem.setAttribute( "onclick", "gCalendarWindow.monthView.clickDay( event )" );
          dayBoxItem.setAttribute( "oncontextmenu", "gCalendarWindow.monthView.contextClickDay( event )" );
-
-         //set the drop
-         dayBoxItem.setAttribute( "ondragdrop", "nsDragAndDrop.drop(event,monthViewEventDragAndDropObserver)" );
-         dayBoxItem.setAttribute( "ondragover", "nsDragAndDrop.dragOver(event,monthViewEventDragAndDropObserver)" );
          
          //set the double click of day boxes
          dayBoxItem.setAttribute( "ondblclick", "gCalendarWindow.monthView.doubleClickDay( event )" );
@@ -285,7 +281,6 @@ MonthView.prototype.createEventDotInternal = function(itemOccurrence, startDate,
     eventDot.setAttribute("ondblclick", "monthEventBoxDoubleClickEvent( this, event )" );
     eventDot.setAttribute("onmouseover", "onMouseOverGridOccurrence(event)" );
     eventDot.setAttribute("tooltip", "gridOccurrenceTooltip" );
-    eventDot.setAttribute("ondraggesture", "nsDragAndDrop.startDrag(event,monthViewEventDragAndDropObserver);" );
     eventDot.occurrence = itemOccurrence; // for mouseover preview
     eventDot.event = calEvent;
     eventDotBox.appendChild( eventDot );
@@ -350,7 +345,6 @@ MonthView.prototype.createEventBoxInternal = function(itemOccurrence, startDate,
     eventBox.setAttribute("ondblclick", "monthEventBoxDoubleClickEvent( this, event )" );
     eventBox.setAttribute("onmouseover", "onMouseOverGridOccurrence(event)" );
     eventBox.setAttribute("tooltip", "gridOccurrenceTooltip" );
-    eventBox.setAttribute("ondraggesture", "nsDragAndDrop.startDrag(event,monthViewEventDragAndDropObserver);" );
     // add a property to the event box that holds the calendarEvent that the
     // box represents
 
@@ -381,7 +375,6 @@ MonthView.prototype.createEventBoxInternal = function(itemOccurrence, startDate,
         eventBox.setAttribute( "eventselected", "true" );
 
     eventBoxText.setAttribute("flex", "1");
-    eventBoxText.setAttribute("ondraggesture", "nsDragAndDrop.startDrag(event,monthViewEventDragAndDropObserver);");
 
     // add the text to the event box and the event box to the day box
 
@@ -451,7 +444,6 @@ MonthView.prototype.createEventBoxInternal = function(itemOccurrence, startDate,
          eventBox.setAttribute( "ondblclick", "monthEventBoxDoubleClickEvent( this, event )" );
          eventBox.setAttribute( "onmouseover", "gCalendarWindow.changeMouseOverInfo( calendarEventDisplay, event )" );
          eventBox.setAttribute( "tooltip", "gridOccurrenceTooltip" );
-         eventBox.setAttribute( "ondraggesture", "nsDragAndDrop.startDrag(event,monthViewEventDragAndDropObserver);" );
          // add a property to the event box that holds the calendarEvent that the
          // box represents
 
@@ -485,7 +477,6 @@ MonthView.prototype.createEventBoxInternal = function(itemOccurrence, startDate,
 
          //you need this flex in order for text to crop
          eventBoxText.setAttribute( "flex", "1" );
-         eventBoxText.setAttribute( "ondraggesture", "nsDragAndDrop.startDrag(event,monthViewEventDragAndDropObserver);" );
 
          // add the text to the event box and the event box to the day box
          
diff --git a/calendar/resources/content/multiweekView.js b/calendar/resources/content/multiweekView.js
index a0b084245fdd..1a5489386060 100644
--- a/calendar/resources/content/multiweekView.js
+++ b/calendar/resources/content/multiweekView.js
@@ -198,10 +198,6 @@ function MultiweekView( calendarWindow )
          
          dayBoxItem.setAttribute( "onclick", "gCalendarWindow.multiweekView.clickDay( event )" );
          dayBoxItem.setAttribute( "oncontextmenu", "gCalendarWindow.multiweekView.contextClickDay( event )" );
-
-         //set the drop
-         dayBoxItem.setAttribute( "ondragdrop", "nsDragAndDrop.drop(event,monthViewEventDragAndDropObserver)" );
-         dayBoxItem.setAttribute( "ondragover", "nsDragAndDrop.dragOver(event,monthViewEventDragAndDropObserver)" );
          
          //set the double click of day boxes
          dayBoxItem.setAttribute( "ondblclick", "gCalendarWindow.multiweekView.doubleClickDay( event )" );
@@ -300,7 +296,6 @@ MultiweekView.prototype.createEventDotInternal = function(itemOccurrence, startD
     eventDot.setAttribute("ondblclick", "monthEventBoxDoubleClickEvent( this, event )" );
     eventDot.setAttribute("onmouseover", "onMouseOverGridOccurrence(event)" );
     eventDot.setAttribute("tooltip", "gridOccurrenceTooltip" );
-    eventDot.setAttribute("ondraggesture", "nsDragAndDrop.startDrag(event,monthViewEventDragAndDropObserver);" );
     eventDot.occurrence = itemOccurrence; // for mouseover preview
     eventDot.event = calEvent;
     eventDotBox.appendChild( eventDot );
@@ -367,7 +362,6 @@ MultiweekView.prototype.createEventBoxInternal = function multiweekView_createEv
     eventBox.setAttribute( "ondblclick", "monthEventBoxDoubleClickEvent( this, event )" );
     eventBox.setAttribute( "onmouseover", "onMouseOverGridOccurrence(event)" );
     eventBox.setAttribute( "tooltip", "gridOccurrenceTooltip" );
-    eventBox.setAttribute( "ondraggesture", "nsDragAndDrop.startDrag(event,monthViewEventDragAndDropObserver);" );
 
     eventBox.occurrence = itemOccurrence;
     eventBox.event = calEvent;
@@ -428,7 +422,6 @@ MultiweekView.prototype.getToDoBox = function multiweekView_getToDoBox( calendar
   eventBox.setAttribute( "ondblclick", "multiweekToDoBoxDoubleClickEvent( this, event )" );
   eventBox.setAttribute( "onmouseover", "gCalendarWindow.changeMouseOverInfo( calendarToDo, event )" );
   eventBox.setAttribute( "tooltip", "gridOccurrenceTooltip" );
-  //eventBox.setAttribute( "ondraggesture", "nsDragAndDrop.startDrag(event,monthViewEventDragAndDropObserver);" );
   // add a property to the event box that holds the calendarEvent that the
   // box represents
   
diff --git a/calendar/resources/content/weekView.js b/calendar/resources/content/weekView.js
index e3d16f7d49ad..321ec41cb812 100644
--- a/calendar/resources/content/weekView.js
+++ b/calendar/resources/content/weekView.js
@@ -447,9 +447,6 @@ WeekView.prototype.createEventBoxInternal = function (event)
     eventBox.setAttribute("dayindex", index + 1);
     eventBox.setAttribute("onclick", "weekEventItemClick(this, event)" );
     eventBox.setAttribute("ondblclick", "weekEventItemDoubleClick(this, event)");
-    eventBox.setAttribute("ondraggesture", "nsDragAndDrop.startDrag(event,calendarViewDNDObserver);");
-    eventBox.setAttribute("ondragover", "nsDragAndDrop.dragOver(event,calendarViewDNDObserver)");
-    eventBox.setAttribute("ondragdrop", "nsDragAndDrop.drop(event,calendarViewDNDObserver)");
     eventBox.setAttribute("id", "week-view-event-box-" + calEvent.id);
     eventBox.setAttribute("name", "week-view-event-box-" + calEvent.id);
     eventBox.setAttribute("onmouseover", "onMouseOverGridOccurrence(event)" );
diff --git a/calendar/sunbird/base/content/calendar.xul b/calendar/sunbird/base/content/calendar.xul
index 1f706bb60bd5..1dfd5bba9f48 100644
--- a/calendar/sunbird/base/content/calendar.xul
+++ b/calendar/sunbird/base/content/calendar.xul
@@ -425,12 +425,17 @@
 
 <!-- V I S I B L E  C O N T E N T  -->
 
+<vbox id="calendar-top-box"
+      flex="1"
+      context="context-menu">
+
+<!--Bug 306877: Removed drag and drop support for 0.3a1.  Reimplement this!
 <vbox id="calendar-top-box"
       flex="1"
       context="context-menu"
       ondraggesture="nsDragAndDrop.startDrag(event,calendarManagerDNDObserver);"
       ondragover="nsDragAndDrop.dragOver(event,calendarManagerDNDObserver)"
-      ondragdrop="nsDragAndDrop.drop(event,calendarManagerDNDObserver)">
+      ondragdrop="nsDragAndDrop.drop(event,calendarManagerDNDObserver)">-->
 
   <!-- Calendar Controls-->