diff --git a/docs/api/en/objects/InstancedMesh.html b/docs/api/en/objects/InstancedMesh.html
index 7c38b521dc9d57..44a92275e8cb35 100644
--- a/docs/api/en/objects/InstancedMesh.html
+++ b/docs/api/en/objects/InstancedMesh.html
@@ -21,7 +21,6 @@ <h2>Examples</h2>
 
 		<p>
 			[example:webgl_instancing_dynamic WebGL / instancing / dynamic]<br />
-			[example:webgl_instancing_modified WebGL / instancing / modified]<br />
 			[example:webgl_instancing_performance WebGL / instancing / performance]<br />
 			[example:webgl_instancing_scatter WebGL / instancing / scatter]<br />
 			[example:webgl_instancing_raycast WebGL / instancing / raycast]
diff --git a/docs/api/zh/objects/InstancedMesh.html b/docs/api/zh/objects/InstancedMesh.html
index 9b07956af15f3a..da3ccaf99fa3bc 100644
--- a/docs/api/zh/objects/InstancedMesh.html
+++ b/docs/api/zh/objects/InstancedMesh.html
@@ -20,7 +20,6 @@ <h2>示例</h2>
 
 		<p>
 			[example:webgl_instancing_dynamic WebGL / instancing / dynamic]<br />
-			[example:webgl_instancing_modified WebGL / instancing / modified]<br />
 			[example:webgl_instancing_performance WebGL / instancing / performance]<br />
 			[example:webgl_instancing_scatter WebGL / instancing / scatter]<br />
 			[example:webgl_instancing_raycast WebGL / instancing / raycast]
diff --git a/examples/files.json b/examples/files.json
index 7061670f1e669a..84edd3fc6eea6c 100644
--- a/examples/files.json
+++ b/examples/files.json
@@ -285,7 +285,6 @@
 		"webgl_gpgpu_birds_gltf",
 		"webgl_gpgpu_water",
 		"webgl_gpgpu_protoplanet",
-		"webgl_instancing_modified",
 		"webgl_lightningstrike",
 		"webgl_materials_modified",
 		"webgl_raymarching_reflect",
diff --git a/examples/screenshots/webgl_instancing_modified.jpg b/examples/screenshots/webgl_instancing_modified.jpg
deleted file mode 100644
index 1ad5bf35fa5e1a..00000000000000
Binary files a/examples/screenshots/webgl_instancing_modified.jpg and /dev/null differ
diff --git a/examples/webgl_instancing_modified.html b/examples/webgl_instancing_modified.html
deleted file mode 100644
index af7c04a98a5309..00000000000000
--- a/examples/webgl_instancing_modified.html
+++ /dev/null
@@ -1,208 +0,0 @@
-<!DOCTYPE html>
-<html lang="en">
-	<head>
-		<title>three.js webgl - instancing - modified</title>
-		<meta charset="utf-8">
-		<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
-		<link type="text/css" rel="stylesheet" href="main.css">
-	</head>
-
-	<body>
-		<div id="info">
-			<a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> - webgl instancing - modified
-		</div>
-
-		<!-- Import maps polyfill -->
-		<!-- Remove this when import maps will be widely supported -->
-		<script async src="https://unpkg.com/es-module-shims@1.3.6/dist/es-module-shims.js"></script>
-
-		<script type="importmap">
-			{
-				"imports": {
-					"three": "../build/three.module.js"
-				}
-			}
-		</script>
-
-		<script type="module">
-
-			import * as THREE from 'three';
-
-			import Stats from './jsm/libs/stats.module.js';
-
-			let camera, scene, renderer, stats;
-
-			let mesh;
-
-			const dummy = new THREE.Object3D();
-
-			const amount = 8;
-			const count = Math.pow( amount, 3 );
-
-			init();
-			animate();
-
-			function init() {
-
-				renderer = new THREE.WebGLRenderer( { antialias: false } ); // false improves the frame rate
-				renderer.setPixelRatio( window.devicePixelRatio );
-				renderer.setSize( window.innerWidth, window.innerHeight );
-				document.body.appendChild( renderer.domElement );
-
-				renderer.outputEncoding = THREE.sRGBEncoding;
-
-				scene = new THREE.Scene();
-
-				camera = new THREE.PerspectiveCamera( 40, window.innerWidth / window.innerHeight, 1, 100 );
-				camera.position.set( 0, 0, 20 );
-
-				new THREE.BufferGeometryLoader().load( 'models/json/suzanne_buffergeometry.json', function ( geometry ) {
-
-					const instanceColors = [];
-
-					for ( let i = 0; i < count; i ++ ) {
-
-						instanceColors.push( Math.random() );
-						instanceColors.push( Math.random() );
-						instanceColors.push( Math.random() );
-
-					}
-
-					geometry.setAttribute( 'instanceColor', new THREE.InstancedBufferAttribute( new Float32Array( instanceColors ), 3 ) );
-
-					geometry.computeVertexNormals();
-
-					geometry.scale( 0.5, 0.5, 0.5 );
-
-					//console.log( geometry );
-
-					//
-
-					new THREE.TextureLoader().load( 'textures/matcaps/matcap-porcelain-white.jpg', function ( texture ) {
-
-						texture.encoding = THREE.sRGBEncoding;
-
-						const material = new THREE.MeshMatcapMaterial( { color: 0xaaaaff, matcap: texture } );
-
-						const colorParsChunk = [
-							'attribute vec3 instanceColor;',
-							'varying vec3 vInstanceColor;',
-							'#include <common>'
-						].join( '\n' );
-
-						const instanceColorChunk = [
-							'#include <begin_vertex>',
-							'\tvInstanceColor = instanceColor;'
-						].join( '\n' );
-
-						const fragmentParsChunk = [
-							'varying vec3 vInstanceColor;',
-							'#include <common>'
-						].join( '\n' );
-
-						const colorChunk = [
-							'vec4 diffuseColor = vec4( diffuse * vInstanceColor, opacity );'
-						].join( '\n' );
-
-						material.onBeforeCompile = function ( shader ) {
-
-							shader.vertexShader = shader.vertexShader
-								.replace( '#include <common>', colorParsChunk )
-								.replace( '#include <begin_vertex>', instanceColorChunk );
-
-							shader.fragmentShader = shader.fragmentShader
-								.replace( '#include <common>', fragmentParsChunk )
-								.replace( 'vec4 diffuseColor = vec4( diffuse, opacity );', colorChunk );
-
-							//console.log( shader.uniforms );
-							//console.log( shader.vertexShader );
-							//console.log( shader.fragmentShader );
-
-						};
-
-						mesh = new THREE.InstancedMesh( geometry, material, count );
-
-						mesh.instanceMatrix.setUsage( THREE.DynamicDrawUsage ); // will be updated every frame
-
-						scene.add( mesh );
-
-					} );
-
-				} );
-
-				//
-
-				stats = new Stats();
-				document.body.appendChild( stats.dom );
-
-				//
-
-				window.addEventListener( 'resize', onWindowResize );
-
-			}
-
-			function onWindowResize() {
-
-				camera.aspect = window.innerWidth / window.innerHeight;
-				camera.updateProjectionMatrix();
-
-				renderer.setSize( window.innerWidth, window.innerHeight );
-
-			}
-
-			//
-
-			function animate() {
-
-				requestAnimationFrame( animate );
-
-				render();
-
-				stats.update();
-
-			}
-
-			function render() {
-
-				if ( mesh ) {
-
-					const time = Date.now() * 0.001;
-
-					mesh.rotation.x = Math.sin( time / 4 );
-					mesh.rotation.y = Math.sin( time / 2 );
-
-					let i = 0;
-					const offset = ( amount - 1 ) / 2;
-
-					for ( let x = 0; x < amount; x ++ ) {
-
-						for ( let y = 0; y < amount; y ++ ) {
-
-							for ( let z = 0; z < amount; z ++ ) {
-
-								dummy.position.set( offset - x, offset - y, offset - z );
-								dummy.rotation.y = ( Math.sin( x / 4 + time ) + Math.sin( y / 4 + time ) + Math.sin( z / 4 + time ) );
-								dummy.rotation.z = dummy.rotation.y * 2;
-
-								dummy.updateMatrix();
-
-								mesh.setMatrixAt( i ++, dummy.matrix );
-
-							}
-
-						}
-
-					}
-
-					mesh.instanceMatrix.needsUpdate = true;
-
-				}
-
-				renderer.render( scene, camera );
-
-			}
-
-		</script>
-
-	</body>
-</html>
