diff --git a/demos/widget/default.html b/demos/widget/default.html
index 885960abf..62a373114 100644
--- a/demos/widget/default.html
+++ b/demos/widget/default.html
@@ -139,7 +139,7 @@
 		});
 
 		// click to toggle enabled/disabled
-		$( "#disable" ).click(function() {
+		$( "#disable" ).on( "click", function() {
 			// use the custom selector created for each widget to find all instances
 			// all instances are toggled together, so we can check the state from the first
 			if ( $( ":custom-colorize" ).colorize( "option", "disabled" ) ) {
@@ -150,7 +150,7 @@
 		});
 
 		// click to set options after initialization
-		$( "#green" ).click( function() {
+		$( "#green" ).on( "click", function() {
 			$( ":custom-colorize" ).colorize( "option", {
 				red: 64,
 				green: 250,
diff --git a/tests/unit/widget/core.js b/tests/unit/widget/core.js
index c1fb44f3c..235bc6bb6 100644
--- a/tests/unit/widget/core.js
+++ b/tests/unit/widget/core.js
@@ -131,7 +131,7 @@ test( "jQuery usage", function() {
 
 	shouldCreate = true;
 	elem = $( "<div>" )
-		.bind( "testwidgetcreate", function() {
+		.on( "testwidgetcreate", function() {
 			ok( shouldCreate, "create event triggered on instantiation" );
 		})
 		.testWidget();
@@ -902,7 +902,7 @@ test( "_on() with delegate", function() {
 		_create: function() {
 			var uuid = this.uuid;
 			this.element = {
-				bind: function( event, handler ) {
+				on: function( event, handler ) {
 					equal( event, "click.testWidget" + uuid );
 					ok( $.isFunction(handler) );
 				},
@@ -910,7 +910,7 @@ test( "_on() with delegate", function() {
 			};
 			this.widget = function() {
 				return {
-					delegate: function( selector, event, handler ) {
+					on: function( event, selector, handler ) {
 						equal( selector, "a" );
 						equal( event, "click.testWidget" + uuid );
 						ok( $.isFunction(handler) );
@@ -923,7 +923,7 @@ test( "_on() with delegate", function() {
 			});
 			this.widget = function() {
 				return {
-					delegate: function( selector, event, handler ) {
+					on: function( event, selector, handler ) {
 						equal( selector, "form fieldset > input" );
 						equal( event, "change.testWidget" + uuid );
 						ok( $.isFunction(handler) );
@@ -1005,7 +1005,7 @@ test( "_off() - single event", function() {
 	widget._on( element, { foo: function() {
 		ok( shouldTriggerWidget, "foo called from _on" );
 	}});
-	element.bind( "foo", function() {
+	element.on( "foo", function() {
 		ok( shouldTriggerOther, "foo called from bind" );
 	});
 	shouldTriggerWidget = true;
@@ -1031,7 +1031,7 @@ test( "_off() - multiple events", function() {
 			ok( shouldTriggerWidget, "bar called from _on" );
 		}
 	});
-	element.bind( "foo bar", function( event ) {
+	element.on( "foo bar", function( event ) {
 		ok( shouldTriggerOther, event.type + " called from bind" );
 	});
 	shouldTriggerWidget = true;
@@ -1059,7 +1059,7 @@ test( "_off() - all events", function() {
 			ok( shouldTriggerWidget, "bar called from _on" );
 		}
 	});
-	element.bind( "foo bar", function( event ) {
+	element.on( "foo bar", function( event ) {
 		ok( shouldTriggerOther, event.type + " called from bind" );
 	});
 	shouldTriggerWidget = true;
@@ -1152,7 +1152,7 @@ test( "._trigger() - no event, no ui", function() {
 		}
 	});
 	$( document ).add( "#widget-wrapper" ).add( "#widget" )
-		.bind( "testwidgetfoo", function( event, ui ) {
+		.on( "testwidgetfoo", function( event, ui ) {
 			deepEqual( ui, {}, "empty ui hash passed" );
 			handlers.push( this );
 		});
@@ -1165,7 +1165,7 @@ test( "._trigger() - no event, no ui", function() {
 		"callback"
 	], "event bubbles and then invokes callback" );
 
-	$( document ).unbind( "testwidgetfoo" );
+	$( document ).off( "testwidgetfoo" );
 });
 
 test( "._trigger() - cancelled event", function() {
@@ -1180,7 +1180,7 @@ test( "._trigger() - cancelled event", function() {
 			ok( true, "callback invoked even if event is cancelled" );
 		}
 	})
-	.bind( "testwidgetfoo", function() {
+	.on( "testwidgetfoo", function() {
 		ok( true, "event was triggered" );
 		return false;
 	});
@@ -1227,7 +1227,7 @@ test( "._trigger() - provide event and ui", function() {
 			}, "ui object modified" );
 		}
 	});
-	$( "#widget" ).bind( "testwidgetfoo", function( event, ui ) {
+	$( "#widget" ).on( "testwidgetfoo", function( event, ui ) {
 		equal( event.originalEvent, originalEvent, "original event object passed" );
 		deepEqual( ui, {
 			foo: "bar",
@@ -1238,7 +1238,7 @@ test( "._trigger() - provide event and ui", function() {
 		}, "ui hash passed" );
 		ui.foo = "notbar";
 	});
-	$( "#widget-wrapper" ).bind( "testwidgetfoo", function( event, ui ) {
+	$( "#widget-wrapper" ).on( "testwidgetfoo", function( event, ui ) {
 		equal( event.originalEvent, originalEvent, "original event object passed" );
 		deepEqual( ui, {
 			foo: "notbar",
@@ -1285,7 +1285,7 @@ test( "._trigger() - array as ui", function() {
 			this._trigger( "foo", null, [ ui, extra ] );
 		}
 	});
-	$( "#widget" ).bind( "testwidgetfoo", function( event, ui, extra ) {
+	$( "#widget" ).on( "testwidgetfoo", function( event, ui, extra ) {
 		deepEqual( ui, {
 			foo: "bar",
 			baz: {
@@ -1328,7 +1328,7 @@ test( "._trigger() - instance as element", function() {
 			deepEqual( ui, { foo: "bar" }, "ui object passed to callback" );
 		}
 	});
-	$( instance ).bind( "testwidgetfoo", function( event, ui ) {
+	$( instance ).on( "testwidgetfoo", function( event, ui ) {
 		equal( event.type, "testwidgetfoo", "event object passed to event handler" );
 		deepEqual( ui, { foo: "bar" }, "ui object passed to event handler" );
 	});
diff --git a/ui/widget.js b/ui/widget.js
index ae72c709b..603a49136 100644
--- a/ui/widget.js
+++ b/ui/widget.js
@@ -313,14 +313,14 @@ $.Widget.prototype = {
 		// we can probably remove the unbind calls in 2.0
 		// all event bindings should go through this._on()
 		this.element
-			.unbind( this.eventNamespace )
+			.off( this.eventNamespace )
 			.removeData( this.widgetFullName );
 		this.widget()
-			.unbind( this.eventNamespace )
+			.off( this.eventNamespace )
 			.removeAttr( "aria-disabled" );
 
 		// clean up events and states
-		this.bindings.unbind( this.eventNamespace );
+		this.bindings.off( this.eventNamespace );
 	},
 	_destroy: $.noop,
 
@@ -535,9 +535,9 @@ $.Widget.prototype = {
 				eventName = match[ 1 ] + instance.eventNamespace,
 				selector = match[ 2 ];
 			if ( selector ) {
-				delegateElement.delegate( selector, eventName, handlerProxy );
+				delegateElement.on( eventName, selector, handlerProxy );
 			} else {
-				element.bind( eventName, handlerProxy );
+				element.on( eventName, handlerProxy );
 			}
 		} );
 	},
@@ -545,7 +545,7 @@ $.Widget.prototype = {
 	_off: function( element, eventName ) {
 		eventName = ( eventName || "" ).split( " " ).join( this.eventNamespace + " " ) +
 			this.eventNamespace;
-		element.unbind( eventName ).undelegate( eventName );
+		element.off( eventName ).off( eventName );
 
 		// Clear the stack to avoid memory leaks (#10056)
 		this.bindings = $( this.bindings.not( element ).get() );