When converting the source to AMD, don't forget to AMD

build/tasks/build.js

@@ -57,10 +57,13 @@ module.exports = function( grunt ) {
 			}
 
 			// Remove define wrappers, closure ends, and empty declarations
+			// Unless it's the proper AMD define
 			contents = contents
 				.replace( /define\([^{]*?{/, "" )
-				.replace( rdefineEnd, "" )
-				// Remove empty definitions
+				.replace( rdefineEnd, "" );
+
+			// Remove empty definitions
+			contents = contents
 				.replace( /define\(\[[^\]]+\]\)[\W\n]+$/, "" );
 		}
 		return contents;

src/exports/amd.js

@@ -1,3 +1,7 @@
+define([
+	"../core"
+], function( jQuery ) {
+
 // Register as a named AMD module, since jQuery can be concatenated with other
 // files that may use define, but not via a proper concatenation script that
 // understands anonymous AMD modules. A named AMD is safest and most robust
@@ -10,3 +14,5 @@ if ( typeof define === "function" && define.amd ) {
 		return jQuery;
 	});
 }
+
+});

src/jquery.js

@@ -27,7 +27,8 @@ define([
 	"./effects/animated-selector",
 	"./offset",
 	"./dimensions",
-	"./deprecated"
+	"./deprecated",
+	"./exports/amd"
 ], function( jQuery ) {
 
 // Expose jQuery and $ identifiers, even in