diff --git a/src/core.js b/src/core.js
index e988d48f9..fedd29275 100644
--- a/src/core.js
+++ b/src/core.js
@@ -1359,3 +1359,8 @@ jQuery.each([ "Height", "Width" ], function(i, name){
 					this.css( type, size.constructor == String ? size : size + "px" );
 	};
 });
+
+// Helper function used by the dimensions and offset modules
+function num(elem, prop) {
+	return elem[0] && parseInt( jQuery.curCSS(elem[0], prop, true), 10 ) || 0;
+}
\ No newline at end of file
diff --git a/src/dimensions.js b/src/dimensions.js
index 44ba35713..bcef47fdf 100644
--- a/src/dimensions.js
+++ b/src/dimensions.js
@@ -20,8 +20,4 @@ jQuery.each([ "Height", "Width" ], function(i, name){
 				num(this, "margin" + tl) + num(this, "margin" + br) : 0);
 	};
 
-});
-
-function num(elem, prop) {
-	return elem[0] && parseInt( jQuery.curCSS(elem[0], prop, true), 10 ) || 0;
-}
+});
\ No newline at end of file