diff --git a/threejs/tests/css3d/css3d_periodictable.ts b/threejs/tests/css3d/css3d_periodictable.ts
index 256755c9b0..6ce32c42f6 100644
--- a/threejs/tests/css3d/css3d_periodictable.ts
+++ b/threejs/tests/css3d/css3d_periodictable.ts
@@ -1,4 +1,5 @@
 /// <reference path="../../three.d.ts" />
+/// <reference path="../../../tween.js/tween.js.d.ts" />
 /// <reference path="../three-tests-setup.ts" />
 
 // https://github.com/mrdoob/three.js/blob/master/examples/css3d_periodictable.html
@@ -316,7 +317,6 @@
                 .start();
 
         }
-
         new TWEEN.Tween(this)
             .to({}, duration * 2)
             .onUpdate(render)
diff --git a/threejs/tests/three-tests-setup.ts b/threejs/tests/three-tests-setup.ts
index a586af2fac..33b36098bb 100644
--- a/threejs/tests/three-tests-setup.ts
+++ b/threejs/tests/three-tests-setup.ts
@@ -1,45 +1,12 @@
-/////////////////////////////////////////////////////////////////////
-// Lib.d.ts browser specific fixes necessary for these tests to work : 
-/////////////////////////////////////////////////////////////////////
-interface CSSStyleDeclaration {
-    WebkitFilter: string;
-}
-interface Document {
-    pointerLockElement: any;
-    mozPointerLockElement: any;
-    webkitPointerLockElement: any;
-    fullscreenElement: any;
-    mozFullscreenElement: any;
-    mozFullScreenElement: any;
-    webkitFullscreenElement: any;
-}
-interface HTMLElement {
-    requestPointerLock: any;
-    mozRequestPointerLock: any;
-    webkitRequestPointerLock: any;
-    requestFullScreen: any;
-    requestFullscreen: any;
-    mozRequestFullScreen: any;
-    mozRequestFullscreen: any;
-    webkitRequestFullscreen: any;
-}
-
-/////////////////////////////////////////////////////////////
+/////////////////////////////////////////////////////////////
 // https://github.com/mrdoob/three.js/tree/master/examples
 //////////////////////////////////////////////////////////////
 
 declare var Stats: any;
-declare var TWEEN: any;
 declare var Detector: any;
-declare var Qrcode: any;
-declare var ImprovedNoise: any;
-
 
 declare module THREE {
-    var AnaglyphEffect: any;
     var AWDLoader: any;
-    var PDBLoader: any;
-    var CSS3Renderer: any;
     var CSS3DSprite: any;
     var CSS3DRenderer: any;
     var CSS3DObject: any;
@@ -47,38 +14,13 @@ declare module THREE {
     var TrackballControls: any;
     var FlyControls: any;
     var RenderPass: any;
-    var FilmPass: any;
     var EffectComposer: any;
     var OrbitControls: any;
-    var PathControls: any;
-    var PointerLockControls: any;
     var RGBShiftShader: any;
-    var RollControls: any;
-    var FirstPersonControls: any;
-    var SVGRenderer: any;
-    var SoftwareRenderer: any;
-    var UVsDebug: any;
-    var UVsUtils: any;
-    var Curves: any;
-    var ParametricGeometries: any;
-    var BinaryLoader: any;
-    var OculusRiftEffect: any;
-    var SubdivisionModifier: any;
-    var TessellateModifier: any;
-    var ExplodeModifier: any;
     var RenderPass: any;
     var BloomPass: any;
-    var FilmPass: any;
     var ShaderPass: any;
     var FXAAShader: any;
     var CopyShader: any;
-    var ColladaLoader: any;
-    var CTMLoader: any;
-    var VTKLoader: any;
-    var STLLoader: any;
-    var OBJLoader: any;
-    var ColladaLoader: any;
-    var UTF8Loader: any;
-    var UnpackDepthRGBAShader: any;
 }
 
diff --git a/threejs/tests/webgl/webgl_custom_attributes.ts b/threejs/tests/webgl/webgl_custom_attributes.ts
index 8e8be41672..93d9bfbe92 100644
--- a/threejs/tests/webgl/webgl_custom_attributes.ts
+++ b/threejs/tests/webgl/webgl_custom_attributes.ts
@@ -35,7 +35,7 @@
 
             amplitude: { type: "f", value: 1.0 },
             color: { type: "c", value: new THREE.Color(0xff2200) },
-            texture: { type: "t", value: THREE.ImageUtils.loadTexture("textures/water.jpg") },
+            texture: { type: "t", value: THREE.ImageUtils.loadTexture("textures/water.jpg") }
 
         };
 
diff --git a/threejs/tests/webgl/webgl_sprites.ts b/threejs/tests/webgl/webgl_sprites.ts
index 5d256aa036..360a4f53d3 100644
--- a/threejs/tests/webgl/webgl_sprites.ts
+++ b/threejs/tests/webgl/webgl_sprites.ts
@@ -5,7 +5,7 @@
 
 () => {
     // ------- variable definitions that does not exist in the original code. These are for typescript.
-    var material: any;
+    var material: THREE.SpriteMaterial;
     // -------
 
     var camera, scene, renderer;
diff --git a/threejs/three.d.ts b/threejs/three.d.ts
index fcbbe9c22c..906774181c 100644
--- a/threejs/three.d.ts
+++ b/threejs/three.d.ts
@@ -3860,7 +3860,8 @@ declare module THREE {
     export class Sprite extends Object3D {
         constructor(material?: Material);
 
-        material: Material;
+        geometry: BufferGeometry;
+        material: SpriteMaterial;
 
         updateMatrix(): void;
         clone(object?: Sprite): Sprite;