diff --git a/src/clojurefx/FXClassLoader.java b/src/clojurefx/FXClassLoader.java
deleted file mode 100644
index 8ec49a8..0000000
--- a/src/clojurefx/FXClassLoader.java
+++ /dev/null
@@ -1,28 +0,0 @@
-package clojurefx;
-
-public class FXClassLoader {
-
-    public static Class loadClass(String className, byte[] b) {
-	//override classDefine (as it is protected) and define the class.
-	Class clazz = null;
-	try {
-	    ClassLoader loader = ClassLoader.getSystemClassLoader();
-	    Class cls = Class.forName("java.lang.ClassLoader");
-	    java.lang.reflect.Method method =
-		cls.getDeclaredMethod("defineClass", new Class[] { String.class, byte[].class, int.class, int.class });
-
-	    // protected method invocaton
-	    method.setAccessible(true);
-	    try {
-		Object[] args = new Object[] { className, b, new Integer(0), new Integer(b.length)};
-		clazz = (Class) method.invoke(loader, args);
-	    } finally {
-		method.setAccessible(false);
-	    }
-	} catch (Exception e) {
-	    e.printStackTrace();
-	    System.exit(1);
-	}
-	return clazz;
-    }
-}
diff --git a/src/clojurefx/controllergen.clj b/src/clojurefx/controllergen.clj
index 73eff6a..73d3a97 100644
--- a/src/clojurefx/controllergen.clj
+++ b/src/clojurefx/controllergen.clj
@@ -2,8 +2,7 @@
   ;; (:gen-class :name Controllergen
   ;;             :implements [org.objectweb.asm.Opcodes])
   ;; (:import (net.openhft.compiler CachedCompiler CompilerUtils))
-  (:import (org.objectweb.asm ClassWriter Opcodes)
-           clojurefx.FXClassLoader)
+  (:import (org.objectweb.asm ClassWriter Opcodes))
   (:use swiss.arrows)
   (:require [clojure.xml :as xml]
             [clojure.zip :as zip]
@@ -175,6 +174,15 @@
 
 ;; ;; Plumber
 
+(defn define-class [name bytes]
+  (let [cl (.getClassLoader clojure.lang.RT)
+        method (.getDeclaredMethod java.lang.ClassLoader "defineClass"
+                                   (into-array [String (Class/forName "[B") (Integer/TYPE) (Integer/TYPE)]))]
+    (try
+      (.setAccessible method true)
+      (.invoke method cl (into-array Object [name bytes (int 0) (int (count bytes))]))
+      (finally (.setAccessible method false)))))
+
 (defn gen-fx-controller-class [fxmlpath clj-fn] 
   (let [clj-fn ^String (if (symbol? clj-fn)
                          (str (namespace clj-fn) "/" (name clj-fn))
@@ -186,5 +194,5 @@
     (try
       (Class/forName (str pkg "." classname))
       (catch Exception e
-        (FXClassLoader/loadClass (str pkg "." classname)
-                                 (gen-fx-controller fxmlzip fxmlpath cljvec [pkg classname]))))))
+        (define-class (str pkg "." classname)
+          (gen-fx-controller fxmlzip fxmlpath cljvec [pkg classname]))))))