diff --git a/src/core/renderers/webgl/managers/_ShaderManager.js b/src/core/renderers/webgl/managers/_ShaderManager.js
deleted file mode 100644
index 3a967af..0000000
--- a/src/core/renderers/webgl/managers/_ShaderManager.js
+++ /dev/null
@@ -1,168 +0,0 @@
-var WebGLManager = require('./WebGLManager'),
-    TextureShader = require('../shaders/TextureShader'),
-    ComplexPrimitiveShader = require('../shaders/ComplexPrimitiveShader'),
-    PrimitiveShader = require('../shaders/PrimitiveShader'),
-    utils = require('../../../utils');
-
-/**
- * @class
- * @memberof PIXI
- * @extends PIXI.WebGLManager
- * @param renderer {PIXI.WebGLRenderer} The renderer this manager works for.
- */
-function ShaderManager(renderer)
-{
-    WebGLManager.call(this, renderer);
-
-    /**
-     * @member {number}
-     */
-    this.maxAttibs = 10;
-
-    /**
-     * @member {any[]}
-     */
-    this.attribState = [];
-
-    /**
-     * @member {any[]}
-     */
-    this.tempAttribState = [];
-
-    for (var i = 0; i < this.maxAttibs; i++)
-    {
-        this.attribState[i] = false;
-    }
-
-    /**
-     * @member {any[]}
-     */
-    this.stack = [];
-
-    /**
-     * @member {number}
-     * @private
-     */
-    this._currentId = -1;
-
-    /**
-     * @member {PIXI.Shader}
-     * @private
-     */
-    this.currentShader = null;
-
-//    this.initPlugins();
-}
-
-ShaderManager.prototype = Object.create(WebGLManager.prototype);
-ShaderManager.prototype.constructor = ShaderManager;
-utils.pluginTarget.mixin(ShaderManager);
-
-module.exports = ShaderManager;
-
-/**
- * Called when there is a WebGL context change.
- *
- */
-ShaderManager.prototype.onContextChange = function ()
-{
-    this.initPlugins();
-
-    var gl = this.renderer.gl;
-
-    // get the maximum number of attribute correctly as this tends to vary
-    this.maxAttibs = gl.getParameter(gl.MAX_VERTEX_ATTRIBS);
-
-    this.attribState = [];
-
-    for (var i = 0; i < this.maxAttibs; i++)
-    {
-        this.attribState[i] = false;
-    }
-
-    // TODO - Why are these not plugins? We can't decouple primitives unless they are....
-    this.defaultShader = new TextureShader(this);
-    this.primitiveShader = new PrimitiveShader(this);
-    this.complexPrimitiveShader = new ComplexPrimitiveShader(this);
-};
-
-/**
- * Takes the attributes given in parameters and uploads them.
- *
- * @param attribs {any[]} attribs
- */
-ShaderManager.prototype.setAttribs = function (attribs)
-{
-    // reset temp state
-    var i;
-
-    for (i = 0; i < this.tempAttribState.length; i++)
-    {
-        this.tempAttribState[i] = false;
-    }
-
-    // set the new attribs
-    for (var a in attribs)
-    {
-        this.tempAttribState[attribs[a]] = true;
-    }
-
-    var gl = this.renderer.gl;
-
-    for (i = 0; i < this.attribState.length; i++)
-    {
-        if (this.attribState[i] !== this.tempAttribState[i])
-        {
-            this.attribState[i] = this.tempAttribState[i];
-
-            if (this.attribState[i])
-            {
-                gl.enableVertexAttribArray(i);
-            }
-            else
-            {
-                gl.disableVertexAttribArray(i);
-            }
-        }
-    }
-};
-
-/**
- * Sets the current shader.
- *
- * @param shader {PIXI.Shader} the shader to upload
- */
-ShaderManager.prototype.setShader = function (shader)
-{
-    return;
-    if (this._currentId === shader.uid)
-    {
-        return false;
-    }
-
-    this._currentId = shader.uid;
-
-    this.currentShader = shader;
-
-    this.renderer.gl.useProgram(shader.program);
-    this.setAttribs(shader.attributes);
-
-    return true;
-};
-
-/**
- * Destroys this object.
- *
- */
-ShaderManager.prototype.destroy = function ()
-{
-    this.primitiveShader.destroy();
-    this.complexPrimitiveShader.destroy();
-    WebGLManager.prototype.destroy.call(this);
-
-    this.destroyPlugins();
-
-    this.attribState = null;
-
-    this.tempAttribState = null;
-};