diff --git a/src/core/engine/composer.js b/src/core/engine/composer.js
deleted file mode 100644
index 5a1e2672ce..0000000000
--- a/src/core/engine/composer.js
+++ /dev/null
@@ -1,150 +0,0 @@
-// jscs:disable
-/* eslint-disable */
-
-import THREE from '../three';
-import CopyShader from './CopyShader';
-import ShaderPass from './ShaderPass';
-import MaskPass, {ClearMaskPass} from './MaskPass';
-
-/**
- * @author alteredq / http://alteredqualia.com/
- */
-
-var EffectComposer = function ( renderer, renderTarget ) {
-
-	this.renderer = renderer;
-
-	if ( renderTarget === undefined ) {
-
-		var pixelRatio = renderer.getPixelRatio();
-
-		var width  = Math.floor( renderer.context.canvas.width  / pixelRatio ) || 1;
-		var height = Math.floor( renderer.context.canvas.height / pixelRatio ) || 1;
-		var parameters = { minFilter: THREE.LinearFilter, magFilter: THREE.LinearFilter, format: THREE.RGBAFormat, stencilBuffer: false };
-
-		renderTarget = new THREE.WebGLRenderTarget( width, height, parameters );
-
-	}
-
-	this.renderTarget1 = renderTarget;
-	this.renderTarget2 = renderTarget.clone();
-
-	this.writeBuffer = this.renderTarget1;
-	this.readBuffer = this.renderTarget2;
-
-	this.passes = [];
-
-	if ( CopyShader === undefined )
-		console.error( "EffectComposer relies on THREE.CopyShader" );
-
-	this.copyPass = new ShaderPass( CopyShader );
-
-};
-
-EffectComposer.prototype = {
-
-	swapBuffers: function() {
-
-		var tmp = this.readBuffer;
-		this.readBuffer = this.writeBuffer;
-		this.writeBuffer = tmp;
-
-	},
-
-	addPass: function ( pass ) {
-
-		this.passes.push( pass );
-
-	},
-
-	insertPass: function ( pass, index ) {
-
-		this.passes.splice( index, 0, pass );
-
-	},
-
-	render: function ( delta ) {
-
-		this.writeBuffer = this.renderTarget1;
-		this.readBuffer = this.renderTarget2;
-
-		var maskActive = false;
-
-		var pass, i, il = this.passes.length;
-
-		for ( i = 0; i < il; i ++ ) {
-
-			pass = this.passes[ i ];
-
-			if ( ! pass.enabled ) continue;
-
-			pass.render( this.renderer, this.writeBuffer, this.readBuffer, delta, maskActive );
-
-			if ( pass.needsSwap ) {
-
-				if ( maskActive ) {
-
-					var context = this.renderer.context;
-
-					context.stencilFunc( context.NOTEQUAL, 1, 0xffffffff );
-
-					this.copyPass.render( this.renderer, this.writeBuffer, this.readBuffer, delta );
-
-					context.stencilFunc( context.EQUAL, 1, 0xffffffff );
-
-				}
-
-				this.swapBuffers();
-
-			}
-
-			if ( pass instanceof MaskPass ) {
-
-				maskActive = true;
-
-			} else if ( pass instanceof ClearMaskPass ) {
-
-				maskActive = false;
-
-			}
-
-		}
-
-	},
-
-	reset: function ( renderTarget ) {
-
-		if ( renderTarget === undefined ) {
-
-			renderTarget = this.renderTarget1.clone();
-
-			var pixelRatio = this.renderer.getPixelRatio();
-
-			renderTarget.setSize(
-				Math.floor( this.renderer.context.canvas.width  / pixelRatio ),
-				Math.floor( this.renderer.context.canvas.height / pixelRatio )
-			);
-
-		}
-
-		this.renderTarget1.dispose();
-		this.renderTarget1 = renderTarget;
-		this.renderTarget2.dispose();
-		this.renderTarget2 = renderTarget.clone();
-
-		this.writeBuffer = this.renderTarget1;
-		this.readBuffer = this.renderTarget2;
-
-	},
-
-	setSize: function ( width, height ) {
-
-		this.renderTarget1.setSize( width, height );
-		this.renderTarget2.setSize( width, height );
-
-	}
-
-};
-
-export default EffectComposer;
-THREE.EffectComposer = EffectComposer;