diff --git a/examples/jsm/animation/MMDAnimationHelper.js b/examples/jsm/animation/MMDAnimationHelper.js
index b24dea116a84fe..03c452efe4ff36 100644
--- a/examples/jsm/animation/MMDAnimationHelper.js
+++ b/examples/jsm/animation/MMDAnimationHelper.js
@@ -61,6 +61,8 @@ class MMDAnimationHelper {
 		this.sharedPhysics = false;
 		this.masterPhysics = null;
 
+		console.warn( 'THREE.MMDAnimationHelper: The module has been deprecated and will be removed with r172. Please migrate to https://github.com/takahirox/three-mmd-loader instead.' );
+
 	}
 
 	/**
diff --git a/examples/jsm/animation/MMDPhysics.js b/examples/jsm/animation/MMDPhysics.js
index 057090112e818b..8c06d800ceef71 100644
--- a/examples/jsm/animation/MMDPhysics.js
+++ b/examples/jsm/animation/MMDPhysics.js
@@ -68,6 +68,8 @@ class MMDPhysics {
 
 		this._init( mesh, rigidBodyParams, constraintParams );
 
+		console.warn( 'THREE.MMDPhysics: The module has been deprecated and will be removed with r172. Please migrate to https://github.com/takahirox/three-mmd-loader instead.' );
+
 	}
 
 	/**
diff --git a/examples/jsm/exporters/MMDExporter.js b/examples/jsm/exporters/MMDExporter.js
index bcef712e81b1b4..79258ad423e0dc 100644
--- a/examples/jsm/exporters/MMDExporter.js
+++ b/examples/jsm/exporters/MMDExporter.js
@@ -12,6 +12,12 @@ import { MMDParser } from '../libs/mmdparser.module.js';
 
 class MMDExporter {
 
+	constructor() {
+
+		console.warn( 'THREE.MMDExporter: The module has been deprecated and will be removed with r172. Please migrate to https://github.com/takahirox/three-mmd-loader instead.' );
+
+	}
+
 	/* TODO: implement
 	// mesh -> pmd
 	this.parsePmd = function ( object ) {
diff --git a/examples/jsm/loaders/MMDLoader.js b/examples/jsm/loaders/MMDLoader.js
index 2c5f84c87a2603..503b647be9d3e5 100644
--- a/examples/jsm/loaders/MMDLoader.js
+++ b/examples/jsm/loaders/MMDLoader.js
@@ -86,6 +86,8 @@ class MMDLoader extends Loader {
 		this.meshBuilder = new MeshBuilder( this.manager );
 		this.animationBuilder = new AnimationBuilder();
 
+		console.warn( 'THREE.MMDLoader: The module has been deprecated and will be removed with r172. Please migrate to https://github.com/takahirox/three-mmd-loader instead.' );
+
 	}
 
 	/**