diff --git a/examples/jsm/Addons.js b/examples/jsm/Addons.js
index 67c4f66382e585..91614d94ed73a5 100644
--- a/examples/jsm/Addons.js
+++ b/examples/jsm/Addons.js
@@ -104,7 +104,6 @@ export * from './loaders/LUT3dlLoader.js';
 export * from './loaders/LUTCubeLoader.js';
 export * from './loaders/LUTImageLoader.js';
 export * from './loaders/LWOLoader.js';
-export * from './loaders/LottieLoader.js';
 export * from './loaders/MD2Loader.js';
 export * from './loaders/MDDLoader.js';
 export * from './loaders/MTLLoader.js';
diff --git a/examples/jsm/loaders/LottieLoader.js b/examples/jsm/loaders/LottieLoader.js
deleted file mode 100644
index 360fce2ef8a852..00000000000000
--- a/examples/jsm/loaders/LottieLoader.js
+++ /dev/null
@@ -1,130 +0,0 @@
-import {
-	FileLoader,
-	Loader,
-	CanvasTexture,
-	NearestFilter,
-	SRGBColorSpace
-} from 'three';
-
-import lottie from 'https://cdn.jsdelivr.net/npm/lottie-web@5.13.0/+esm';
-
-/**
- * A loader for the Lottie texture animation format.
- *
- * The loader returns an instance of {@link CanvasTexture} to represent
- * the animated texture. Two additional properties are added to each texture:
- * - `animation`: The return value of `lottie.loadAnimation()` which is an object
- * with an API for controlling the animation's playback.
- * - `image`: The image container.
- *
- * ```js
- * const loader = new LottieLoader();
- * loader.setQuality( 2 );
- * const texture = await loader.loadAsync( 'textures/lottie/24017-lottie-logo-animation.json' );
- *
- * const geometry = new THREE.BoxGeometry();
- * const material = new THREE.MeshBasicMaterial( { map: texture } );
- * const mesh = new THREE.Mesh( geometry, material );
- * scene.add( mesh );
- * ```
- *
- * @augments Loader
- * @three_import import { LottieLoader } from 'three/addons/loaders/LottieLoader.js';
- */
-class LottieLoader extends Loader {
-
-	/**
-	 * Constructs a new Lottie loader.
-	 *
-	 * @deprecated The loader has been deprecated and will be removed with r186. Use lottie-web instead and create your animated texture manually.
-	 * @param {LoadingManager} [manager] - The loading manager.
-	 */
-	constructor( manager ) {
-
-		super( manager );
-
-		console.warn( 'THREE.LottieLoader: The loader has been deprecated and will be removed with r186. Use lottie-web instead and create your animated texture manually.' );
-
-	}
-
-	/**
-	 * Sets the texture quality.
-	 *
-	 * @param {number} value - The texture quality.
-	 */
-	setQuality( value ) {
-
-		this._quality = value;
-
-	}
-
-	/**
-	 * Starts loading from the given URL and passes the loaded Lottie asset
-	 * to the `onLoad()` callback.
-	 *
-	 * @param {string} url - The path/URL of the file to be loaded. This can also be a data URI.
-	 * @param {function(CanvasTexture)} onLoad - Executed when the loading process has been finished.
-	 * @param {onProgressCallback} onProgress - Executed while the loading is in progress.
-	 * @param {onErrorCallback} onError - Executed when errors occur.
-	 * @returns {CanvasTexture} The Lottie texture.
-	 */
-	load( url, onLoad, onProgress, onError ) {
-
-		const quality = this._quality || 1;
-
-		const texture = new CanvasTexture();
-		texture.minFilter = NearestFilter;
-		texture.generateMipmaps = false;
-		texture.colorSpace = SRGBColorSpace;
-
-		const loader = new FileLoader( this.manager );
-		loader.setPath( this.path );
-		loader.setWithCredentials( this.withCredentials );
-
-		loader.load( url, function ( text ) {
-
-			const data = JSON.parse( text );
-
-			// lottie uses container.offsetWidth and offsetHeight
-			// to define width/height
-
-			const container = document.createElement( 'div' );
-			container.style.width = data.w + 'px';
-			container.style.height = data.h + 'px';
-			document.body.appendChild( container );
-
-			const animation = lottie.loadAnimation( {
-				container: container,
-				animType: 'canvas',
-				loop: true,
-				autoplay: true,
-				animationData: data,
-				rendererSettings: { dpr: quality }
-			} );
-
-			texture.animation = animation;
-			texture.image = animation.container;
-
-			animation.addEventListener( 'enterFrame', function () {
-
-				texture.needsUpdate = true;
-
-			} );
-
-			container.style.display = 'none';
-
-			if ( onLoad !== undefined ) {
-
-				onLoad( texture );
-
-			}
-
-		}, onProgress, onError );
-
-		return texture;
-
-	}
-
-}
-
-export { LottieLoader };
diff --git a/src/nodes/pmrem/PMREMNode.js b/src/nodes/pmrem/PMREMNode.js
index fc65e547aab918..8137920810cdbd 100644
--- a/src/nodes/pmrem/PMREMNode.js
+++ b/src/nodes/pmrem/PMREMNode.js
@@ -343,7 +343,7 @@ class PMREMNode extends TempNode {
 		// PMREMGenerator renders into a render target with inverted Y, so its output needs the Y
 		// flip on sampling. Externally authored PMREMs follow the standard convention and don't.
 
-		uvNode = this._pmrem.isRenderTargetTexture
+		uvNode = this._pmrem === null || this._pmrem.isRenderTargetTexture
 			? materialEnvRotation.mul( vec3( uvNode.x, uvNode.y.negate(), uvNode.z ) )
 			: materialEnvRotation.mul( uvNode );
 
diff --git a/src/nodes/tsl/TSLCore.js b/src/nodes/tsl/TSLCore.js
index 291c84be4a781e..e2185a06546c85 100644
--- a/src/nodes/tsl/TSLCore.js
+++ b/src/nodes/tsl/TSLCore.js
@@ -1269,27 +1269,3 @@ export const split = ( node, channels ) => new SplitNode( nodeObject( node ), ch
 
 addMethodChaining( 'element', element );
 addMethodChaining( 'convert', convert );
-
-// deprecated
-
-/**
- * @tsl
- * @function
- * @deprecated since r176. Use {@link Stack} instead.
- *
- * @param {Node} node - The node to add.
- * @returns {Function}
- */
-export const append = ( node ) => { // @deprecated, r176
-
-	warn( 'TSL: append() has been renamed to Stack().', new StackTrace() );
-	return Stack( node );
-
-};
-
-addMethodChaining( 'append', ( node ) => { // @deprecated, r176
-
-	warn( 'TSL: .append() has been renamed to .toStack().', new StackTrace() );
-	return Stack( node );
-
-} );