diff --git a/tests/unit/draggable/draggable_common.js b/tests/unit/draggable/draggable_common.js
index 34fd20564..7c6961af2 100644
--- a/tests/unit/draggable/draggable_common.js
+++ b/tests/unit/draggable/draggable_common.js
@@ -6,7 +6,6 @@ TestHelpers.commonWidgetTests( "draggable", {
 		cancel: "input,textarea,button,select,option",
 		connectToSortable: false,
 		containment: false,
-		create: null,
 		cursor: "auto",
 		cursorAt: false,
 		delay: 0,
@@ -28,6 +27,12 @@ TestHelpers.commonWidgetTests( "draggable", {
 		snapMode: "both",
 		snapTolerance: 20,
 		stack: false,
-		zIndex: false
+		zIndex: false,
+
+		// callbacks
+		create: null,
+		drag: null,
+		start: null,
+		stop: null
 	}
 });
diff --git a/tests/unit/droppable/droppable_common.js b/tests/unit/droppable/droppable_common.js
index d86afe3dd..c112def3c 100644
--- a/tests/unit/droppable/droppable_common.js
+++ b/tests/unit/droppable/droppable_common.js
@@ -3,11 +3,18 @@ TestHelpers.commonWidgetTests( "droppable", {
 		accept: "*",
 		activeClass: false,
 		addClasses: true,
-		create: null,
 		disabled: false,
 		greedy: false,
 		hoverClass: false,
 		scope: "default",
-		tolerance: "intersect"
+		tolerance: "intersect",
+
+		// callbacks
+		activate: null,
+		create: null,
+		deactivate: null,
+		drop: null,
+		out: null,
+		over: null
 	}
 });
diff --git a/tests/unit/resizable/resizable_common.js b/tests/unit/resizable/resizable_common.js
index 6758214ad..c261ac5b9 100644
--- a/tests/unit/resizable/resizable_common.js
+++ b/tests/unit/resizable/resizable_common.js
@@ -1,4 +1,4 @@
-TestHelpers.commonWidgetTests("resizable", {
+TestHelpers.commonWidgetTests( "resizable", {
 	defaults: {
 		alsoResize: false,
 		animate: false,
@@ -22,6 +22,9 @@ TestHelpers.commonWidgetTests("resizable", {
 		zIndex: 90,
 
 		// callbacks
-		create: null
+		create: null,
+		resize: null,
+		start: null,
+		stop: null
 	}
 });
diff --git a/tests/unit/selectable/selectable_common.js b/tests/unit/selectable/selectable_common.js
index 00bbedc61..d00a47be5 100644
--- a/tests/unit/selectable/selectable_common.js
+++ b/tests/unit/selectable/selectable_common.js
@@ -3,11 +3,19 @@ TestHelpers.commonWidgetTests("selectable", {
 		appendTo: "body",
 		autoRefresh: true,
 		cancel: "input,textarea,button,select,option",
-		create: null,
 		delay: 0,
 		disabled: false,
 		distance: 0,
 		filter: "*",
-		tolerance: "touch"
+		tolerance: "touch",
+
+		// callbacks
+		create: null,
+		selected: null,
+		selecting: null,
+		start: null,
+		stop: null,
+		unselected: null,
+		unselecting: null
 	}
 });
diff --git a/tests/unit/sortable/sortable_common.js b/tests/unit/sortable/sortable_common.js
index 0a8e9f2b9..86850a658 100644
--- a/tests/unit/sortable/sortable_common.js
+++ b/tests/unit/sortable/sortable_common.js
@@ -5,7 +5,6 @@ TestHelpers.commonWidgetTests( "sortable", {
 		cancel: "input,textarea,button,select,option",
 		connectWith: false,
 		containment: false,
-		create: null,
 		cursor: "auto",
 		cursorAt: false,
 		delay: 0,
@@ -26,6 +25,21 @@ TestHelpers.commonWidgetTests( "sortable", {
 		scrollSpeed: 20,
 		scope: "default",
 		tolerance: "intersect",
-		zIndex: 1000
+		zIndex: 1000,
+
+		// callbacks
+		activate: null,
+		beforeStop: null,
+		change: null,
+		create: null,
+		deactivate: null,
+		out: null,
+		over: null,
+		receive: null,
+		remove: null,
+		sort: null,
+		start: null,
+		stop: null,
+		update: null
 	}
 });
diff --git a/ui/jquery.ui.draggable.js b/ui/jquery.ui.draggable.js
index 9e3267aed..ba81e9f22 100644
--- a/ui/jquery.ui.draggable.js
+++ b/ui/jquery.ui.draggable.js
@@ -42,7 +42,12 @@ $.widget("ui.draggable", $.ui.mouse, {
 		snapMode: "both",
 		snapTolerance: 20,
 		stack: false,
-		zIndex: false
+		zIndex: false,
+
+		// callbacks
+		drag: null,
+		start: null,
+		stop: null
 	},
 	_create: function() {
 
diff --git a/ui/jquery.ui.droppable.js b/ui/jquery.ui.droppable.js
index 35a260151..0f75774a7 100644
--- a/ui/jquery.ui.droppable.js
+++ b/ui/jquery.ui.droppable.js
@@ -30,7 +30,14 @@ $.widget("ui.droppable", {
 		greedy: false,
 		hoverClass: false,
 		scope: "default",
-		tolerance: "intersect"
+		tolerance: "intersect",
+
+		// callbacks
+		activate: null,
+		deactivate: null,
+		drop: null,
+		out: null,
+		over: null
 	},
 	_create: function() {
 
diff --git a/ui/jquery.ui.resizable.js b/ui/jquery.ui.resizable.js
index ce3efeb9d..c255ccc5e 100644
--- a/ui/jquery.ui.resizable.js
+++ b/ui/jquery.ui.resizable.js
@@ -43,7 +43,12 @@ $.widget("ui.resizable", $.ui.mouse, {
 		minHeight: 10,
 		minWidth: 10,
 		// See #7960
-		zIndex: 90
+		zIndex: 90,
+
+		// callbacks
+		resize: null,
+		start: null,
+		stop: null
 	},
 	_create: function() {
 
diff --git a/ui/jquery.ui.selectable.js b/ui/jquery.ui.selectable.js
index 8e6d03c1f..8a6db9007 100644
--- a/ui/jquery.ui.selectable.js
+++ b/ui/jquery.ui.selectable.js
@@ -22,7 +22,15 @@ $.widget("ui.selectable", $.ui.mouse, {
 		autoRefresh: true,
 		distance: 0,
 		filter: "*",
-		tolerance: "touch"
+		tolerance: "touch",
+
+		// callbacks
+		selected: null,
+		selecting: null,
+		start: null,
+		stop: null,
+		unselected: null,
+		unselecting: null
 	},
 	_create: function() {
 		var selectees,
diff --git a/ui/jquery.ui.sortable.js b/ui/jquery.ui.sortable.js
index f13a1d6bd..ccd293fbd 100644
--- a/ui/jquery.ui.sortable.js
+++ b/ui/jquery.ui.sortable.js
@@ -47,7 +47,21 @@ $.widget("ui.sortable", $.ui.mouse, {
 		scrollSpeed: 20,
 		scope: "default",
 		tolerance: "intersect",
-		zIndex: 1000
+		zIndex: 1000,
+
+		// callbacks
+		activate: null,
+		beforeStop: null,
+		change: null,
+		deactivate: null,
+		out: null,
+		over: null,
+		receive: null,
+		remove: null,
+		sort: null,
+		start: null,
+		stop: null,
+		update: null
 	},
 	_create: function() {