diff --git a/notebook/static/notebook/js/cell.js b/notebook/static/notebook/js/cell.js
index 76c3897f1..963a856ec 100644
--- a/notebook/static/notebook/js/cell.js
+++ b/notebook/static/notebook/js/cell.js
@@ -299,7 +299,6 @@ define([
                     this.element.removeClass('marked');
                 }
             }
-            this.events.trigger('marked_changed.Cell', {cell:this, value:value});
         }
     });
 
diff --git a/notebook/static/notebook/js/notebook.js b/notebook/static/notebook/js/notebook.js
index b21cc35f5..71f88273b 100644
--- a/notebook/static/notebook/js/notebook.js
+++ b/notebook/static/notebook/js/notebook.js
@@ -186,10 +186,6 @@ define(function (require) {
     Notebook.prototype.bind_events = function () {
         var that = this;
 
-        this.events.on('marked_changed.Cell', function(){
-            that.update_marked_status();
-        });
-
         this.events.on('set_next_input.Notebook', function (event, data) {
             if (data.replace) {
                 data.cell.set_text(data.text);
@@ -625,7 +621,6 @@ define(function (require) {
     Notebook.prototype.toggle_cells_marked = function(cells) {
         cells = cells || this.get_cells();
         cells.forEach(function(cell) { cell.marked = !cell.marked; });
-        this.update_marked_status();
     };
     
     /**
@@ -635,7 +630,6 @@ define(function (require) {
     Notebook.prototype.mark_all_cells = function(cells) {
         cells = cells || this.get_cells();
         cells.forEach(function(cell) { cell.marked = true; });
-        this.update_marked_status();
     };
     
     /**
@@ -644,7 +638,6 @@ define(function (require) {
      */
     Notebook.prototype.unmark_all_cells = function(cells) {
         this.get_marked_cells(cells).forEach(function(cell) { cell.marked = false; });
-        this.update_marked_status();
     };
     
     /**
@@ -736,13 +729,8 @@ define(function (require) {
         this.select(selectedIndex);
         this.get_selected_cell().marked = true;
         this.ensure_focused();
-        this.update_marked_status()
     };
 
-    Notebook.prototype.update_marked_status = function(){
-        // doesn't do anything for now.
-    }
-
     // Cell selection.
 
     /**
@@ -1031,7 +1019,6 @@ define(function (require) {
         this.set_dirty(true);
 
         return this;
-        this.update_marked_status();
     };
 
     /**
@@ -1075,7 +1062,6 @@ define(function (require) {
             this.undelete_index = null;
         }
         $('#undelete_cell').addClass('disabled');
-        this.update_marked_status();
     };
 
     /**
@@ -1499,7 +1485,6 @@ define(function (require) {
             new_cell.set_text(texta);
             new_cell.marked = cell.marked;
         }
-        this.update_marked_status();
     };
 
     /**