diff --git a/types/three/test/css3d/css3d_periodictable.ts b/types/three/test/css3d/css3d_periodictable.ts
index 2d68cd2f53..5c8cb68614 100644
--- a/types/three/test/css3d/css3d_periodictable.ts
+++ b/types/three/test/css3d/css3d_periodictable.ts
@@ -1,5 +1,3 @@
-/// <reference types="tween.js" />
-
 // https://github.com/mrdoob/three.js/blob/master/examples/css3d_periodictable.html
 
 () => {
diff --git a/types/three/test/css3d/css3d_sprites.ts b/types/three/test/css3d/css3d_sprites.ts
index 41cf22ad47..4eda3d73a8 100644
--- a/types/three/test/css3d/css3d_sprites.ts
+++ b/types/three/test/css3d/css3d_sprites.ts
@@ -1,5 +1,3 @@
-/// <reference types="tween.js" />
-
 // https://github.com/mrdoob/three.js/blob/master/examples/css3d_sprites.html
 
 () => {