diff --git a/build/three.js b/build/three.js
index cb527a47d30e5def8cf2196d68275081b5452ca7..ce41799a3cfad3f7aa83975b13bf61de7be075bc 100644
--- a/build/three.js
+++ b/build/three.js
@@ -4992,8 +4992,6 @@ THREE.Geometry = function () {
 	this.colors = [];  // one-to-one vertex colors, used in ParticleSystem, Line and Ribbon
 	this.normals = []; // one-to-one vertex normals, used in Ribbon
 
-	this.materials = [];
-
 	this.faces = [];
 
 	this.faceUvs = [[]];
@@ -22817,18 +22815,6 @@ THREE.GeometryUtils = {
 		uvs1 = geometry1.faceVertexUvs[ 0 ],
 		uvs2 = geometry2.faceVertexUvs[ 0 ];
 
-		/*
-		var geo1MaterialsMap = {};
-
-		for ( var i = 0; i < geometry1.materials.length; i ++ ) {
-
-			var id = geometry1.materials[ i ].id;
-
-			geo1MaterialsMap[ id ] = i;
-
-		}
-		*/
-
 		if ( object2 instanceof THREE.Mesh ) {
 
 			object2.matrixAutoUpdate && object2.updateMatrix();
@@ -22896,24 +22882,6 @@ THREE.GeometryUtils = {
 
 			if ( face.materialIndex !== undefined ) {
 
-				/*
-				var material2 = geometry2.materials[ face.materialIndex ];
-				var materialId2 = material2.id;
-
-				var materialIndex = geo1MaterialsMap[ materialId2 ];
-
-				if ( materialIndex === undefined ) {
-
-					materialIndex = geometry1.materials.length;
-					geo1MaterialsMap[ materialId2 ] = materialIndex;
-
-					geometry1.materials.push( material2 );
-
-				}
-
-				faceCopy.materialIndex = materialIndex;
-				*/
-
 				faceCopy.materialIndex = face.materialIndex;
 
 			}
@@ -22953,16 +22921,6 @@ THREE.GeometryUtils = {
 			faces = geometry.faces,
 			uvs = geometry.faceVertexUvs[ 0 ];
 
-		/*
-		// materials
-
-		if ( geometry.materials ) {
-
-			cloneGeo.materials = geometry.materials.slice();
-
-		}
-		*/
-
 		// vertices
 
 		for ( i = 0, il = vertices.length; i < il; i ++ ) {
diff --git a/build/three.min.js b/build/three.min.js
index a2e0c927c17e6dbb0c4b54426780ba436a5d08d3..319e7eb28cfc94d50e102c45c0f9ef2a03a4fc91 100644
--- a/build/three.min.js
+++ b/build/three.min.js
@@ -103,8 +103,8 @@ THREE.Face3.prototype={constructor:THREE.Face3,clone:function(){var a=new THREE.
 return a}};THREE.Face4=function(a,b,c,d,e,f,g){this.a=a;this.b=b;this.c=c;this.d=d;this.normal=e instanceof THREE.Vector3?e:new THREE.Vector3;this.vertexNormals=e instanceof Array?e:[];this.color=f instanceof THREE.Color?f:new THREE.Color;this.vertexColors=f instanceof Array?f:[];this.vertexTangents=[];this.materialIndex=g;this.centroid=new THREE.Vector3};
 THREE.Face4.prototype={constructor:THREE.Face4,clone:function(){var a=new THREE.Face4(this.a,this.b,this.c,this.d);a.normal.copy(this.normal);a.color.copy(this.color);a.centroid.copy(this.centroid);a.materialIndex=this.materialIndex;var b,c;b=0;for(c=this.vertexNormals.length;b<c;b++)a.vertexNormals[b]=this.vertexNormals[b].clone();b=0;for(c=this.vertexColors.length;b<c;b++)a.vertexColors[b]=this.vertexColors[b].clone();b=0;for(c=this.vertexTangents.length;b<c;b++)a.vertexTangents[b]=this.vertexTangents[b].clone();
 return a}};THREE.UV=function(a,b){this.u=a||0;this.v=b||0};THREE.UV.prototype={constructor:THREE.UV,set:function(a,b){this.u=a;this.v=b;return this},copy:function(a){this.u=a.u;this.v=a.v;return this},lerpSelf:function(a,b){this.u+=(a.u-this.u)*b;this.v+=(a.v-this.v)*b;return this},clone:function(){return new THREE.UV(this.u,this.v)}};
-THREE.Geometry=function(){THREE.GeometryLibrary.push(this);this.id=THREE.GeometryIdCount++;this.name="";this.vertices=[];this.colors=[];this.normals=[];this.materials=[];this.faces=[];this.faceUvs=[[]];this.faceVertexUvs=[[]];this.morphTargets=[];this.morphColors=[];this.morphNormals=[];this.skinWeights=[];this.skinIndices=[];this.lineDistances=[];this.boundingSphere=this.boundingBox=null;this.hasTangents=!1;this.dynamic=!0;this.buffersNeedUpdate=this.lineDistancesNeedUpdate=this.colorsNeedUpdate=
-this.tangentsNeedUpdate=this.normalsNeedUpdate=this.uvsNeedUpdate=this.elementsNeedUpdate=this.verticesNeedUpdate=!1};
+THREE.Geometry=function(){THREE.GeometryLibrary.push(this);this.id=THREE.GeometryIdCount++;this.name="";this.vertices=[];this.colors=[];this.normals=[];this.faces=[];this.faceUvs=[[]];this.faceVertexUvs=[[]];this.morphTargets=[];this.morphColors=[];this.morphNormals=[];this.skinWeights=[];this.skinIndices=[];this.lineDistances=[];this.boundingSphere=this.boundingBox=null;this.hasTangents=!1;this.dynamic=!0;this.buffersNeedUpdate=this.lineDistancesNeedUpdate=this.colorsNeedUpdate=this.tangentsNeedUpdate=
+this.normalsNeedUpdate=this.uvsNeedUpdate=this.elementsNeedUpdate=this.verticesNeedUpdate=!1};
 THREE.Geometry.prototype={constructor:THREE.Geometry,applyMatrix:function(a){var b=new THREE.Matrix3;b.getInverse(a).transpose();for(var c=0,d=this.vertices.length;c<d;c++)a.multiplyVector3(this.vertices[c]);c=0;for(d=this.faces.length;c<d;c++){var e=this.faces[c];b.multiplyVector3(e.normal).normalize();for(var f=0,g=e.vertexNormals.length;f<g;f++)b.multiplyVector3(e.vertexNormals[f]).normalize();a.multiplyVector3(e.centroid)}},computeCentroids:function(){var a,b,c;a=0;for(b=this.faces.length;a<b;a++)c=
 this.faces[a],c.centroid.set(0,0,0),c instanceof THREE.Face3?(c.centroid.addSelf(this.vertices[c.a]),c.centroid.addSelf(this.vertices[c.b]),c.centroid.addSelf(this.vertices[c.c]),c.centroid.divideScalar(3)):c instanceof THREE.Face4&&(c.centroid.addSelf(this.vertices[c.a]),c.centroid.addSelf(this.vertices[c.b]),c.centroid.addSelf(this.vertices[c.c]),c.centroid.addSelf(this.vertices[c.d]),c.centroid.divideScalar(4))},computeFaceNormals:function(){var a,b,c,d,e,f,g=new THREE.Vector3,h=new THREE.Vector3;
 a=0;for(b=this.faces.length;a<b;a++)c=this.faces[a],d=this.vertices[c.a],e=this.vertices[c.b],f=this.vertices[c.c],g.sub(f,e),h.sub(d,e),g.crossSelf(h),g.normalize(),c.normal.copy(g)},computeVertexNormals:function(a){var b,c,d,e;if(void 0===this.__tmpVertices){e=this.__tmpVertices=Array(this.vertices.length);b=0;for(c=this.vertices.length;b<c;b++)e[b]=new THREE.Vector3;b=0;for(c=this.faces.length;b<c;b++)d=this.faces[b],d instanceof THREE.Face3?d.vertexNormals=[new THREE.Vector3,new THREE.Vector3,
diff --git a/src/core/Geometry.js b/src/core/Geometry.js
index d2eebce1cda66eaba161808722068a1786160822..3b0b0eafc5367bccde436f490ec4fd2ab146ba65 100644
--- a/src/core/Geometry.js
+++ b/src/core/Geometry.js
@@ -18,8 +18,6 @@ THREE.Geometry = function () {
 	this.colors = [];  // one-to-one vertex colors, used in ParticleSystem, Line and Ribbon
 	this.normals = []; // one-to-one vertex normals, used in Ribbon
 
-	this.materials = [];
-
 	this.faces = [];
 
 	this.faceUvs = [[]];
diff --git a/src/extras/GeometryUtils.js b/src/extras/GeometryUtils.js
index ef260b8c01d6ed939bfad3cfd0d344b16b6cdd78..2dc5167b335df26c674997cf862c3c11e2bd6fda 100644
--- a/src/extras/GeometryUtils.js
+++ b/src/extras/GeometryUtils.js
@@ -20,18 +20,6 @@ THREE.GeometryUtils = {
 		uvs1 = geometry1.faceVertexUvs[ 0 ],
 		uvs2 = geometry2.faceVertexUvs[ 0 ];
 
-		/*
-		var geo1MaterialsMap = {};
-
-		for ( var i = 0; i < geometry1.materials.length; i ++ ) {
-
-			var id = geometry1.materials[ i ].id;
-
-			geo1MaterialsMap[ id ] = i;
-
-		}
-		*/
-
 		if ( object2 instanceof THREE.Mesh ) {
 
 			object2.matrixAutoUpdate && object2.updateMatrix();
@@ -99,24 +87,6 @@ THREE.GeometryUtils = {
 
 			if ( face.materialIndex !== undefined ) {
 
-				/*
-				var material2 = geometry2.materials[ face.materialIndex ];
-				var materialId2 = material2.id;
-
-				var materialIndex = geo1MaterialsMap[ materialId2 ];
-
-				if ( materialIndex === undefined ) {
-
-					materialIndex = geometry1.materials.length;
-					geo1MaterialsMap[ materialId2 ] = materialIndex;
-
-					geometry1.materials.push( material2 );
-
-				}
-
-				faceCopy.materialIndex = materialIndex;
-				*/
-
 				faceCopy.materialIndex = face.materialIndex;
 
 			}
@@ -156,16 +126,6 @@ THREE.GeometryUtils = {
 			faces = geometry.faces,
 			uvs = geometry.faceVertexUvs[ 0 ];
 
-		/*
-		// materials
-
-		if ( geometry.materials ) {
-
-			cloneGeo.materials = geometry.materials.slice();
-
-		}
-		*/
-
 		// vertices
 
 		for ( i = 0, il = vertices.length; i < il; i ++ ) {