diff --git a/src/event.js b/src/event.js
index e9c223448b..071deb6458 100644
--- a/src/event.js
+++ b/src/event.js
@@ -3,15 +3,13 @@ define( [
 	"./var/document",
 	"./var/documentElement",
 	"./var/rnothtmlwhite",
-	"./var/rcheckableType",
 	"./var/slice",
 	"./data/var/dataPriv",
 	"./core/nodeName",
 
 	"./core/init",
 	"./selector"
-], function( jQuery, document, documentElement, rnothtmlwhite,
-             rcheckableType, slice, dataPriv, nodeName ) {
+], function( jQuery, document, documentElement, rnothtmlwhite, slice, dataPriv, nodeName ) {
 
 "use strict";
 
@@ -477,11 +475,9 @@ jQuery.event = {
 		},
 		click: {
 
-			// For checkable types, fire native event so checked state will be right
+			// For checkbox, fire native event so checked state will be right
 			trigger: function() {
-				if ( rcheckableType.test( this.type ) &&
-					this.click && nodeName( this, "input" ) ) {
-
+				if ( this.type === "checkbox" && this.click && nodeName( this, "input" ) ) {
 					this.click();
 					return false;
 				}
diff --git a/src/manipulation.js b/src/manipulation.js
index eebcd138ef..cd225a6dbb 100644
--- a/src/manipulation.js
+++ b/src/manipulation.js
@@ -2,8 +2,8 @@ define( [
 	"./core",
 	"./var/concat",
 	"./var/push",
-	"./var/rcheckableType",
 	"./core/access",
+	"./manipulation/var/rcheckableType",
 	"./manipulation/var/rtagName",
 	"./manipulation/var/rscriptType",
 	"./manipulation/wrapMap",
@@ -22,8 +22,8 @@ define( [
 	"./traversing",
 	"./selector",
 	"./event"
-], function( jQuery, concat, push, rcheckableType,
-	access, rtagName, rscriptType,
+], function( jQuery, concat, push, access,
+	rcheckableType, rtagName, rscriptType,
 	wrapMap, getAll, setGlobalEval, buildFragment, support,
 	dataPriv, dataUser, acceptData, DOMEval, nodeName ) {
 
diff --git a/src/var/rcheckableType.js b/src/manipulation/var/rcheckableType.js
similarity index 100%
rename from src/var/rcheckableType.js
rename to src/manipulation/var/rcheckableType.js
diff --git a/src/serialize.js b/src/serialize.js
index 4008093c50..2e28ce1e00 100644
--- a/src/serialize.js
+++ b/src/serialize.js
@@ -1,6 +1,6 @@
 define( [
 	"./core",
-	"./var/rcheckableType",
+	"./manipulation/var/rcheckableType",
 	"./core/init",
 	"./traversing", // filter
 	"./attributes/prop"