diff --git a/examples/jsm/tsl/display/AfterImageNode.js b/examples/jsm/tsl/display/AfterImageNode.js
index dcccac4a6e16de..52751f3931eab8 100644
--- a/examples/jsm/tsl/display/AfterImageNode.js
+++ b/examples/jsm/tsl/display/AfterImageNode.js
@@ -80,6 +80,14 @@ class AfterImageNode extends TempNode {
 		 */
 		this._textureNodeOld = texture( this._oldRT.texture );
 
+		/**
+		 * The material for the composite pass.
+		 *
+		 * @private
+		 * @type {?NodeMaterial}
+		 */
+		this._materialComposed = null;
+
 		/**
 		 * The `updateBeforeType` is set to `NodeUpdateType.FRAME` since the node renders
 		 * its effect once per frame in `updateBefore()`.
@@ -226,6 +234,8 @@ class AfterImageNode extends TempNode {
 		this._compRT.dispose();
 		this._oldRT.dispose();
 
+		if ( this._materialComposed !== null ) this._materialComposed.dispose();
+
 	}
 
 }
diff --git a/examples/jsm/tsl/display/AnamorphicNode.js b/examples/jsm/tsl/display/AnamorphicNode.js
index bc965a816cdd76..3033ca4baf1855 100644
--- a/examples/jsm/tsl/display/AnamorphicNode.js
+++ b/examples/jsm/tsl/display/AnamorphicNode.js
@@ -98,6 +98,15 @@ class AnamorphicNode extends TempNode {
 		 */
 		this._textureNode = passTexture( this, this._renderTarget.texture );
 
+		/**
+		 * The material for the anamorphic pass.
+		 *
+		 * @private
+		 * @type {?NodeMaterial}
+		 */
+		this._material = null;
+
+
 		/**
 		 * The `updateBeforeType` is set to `NodeUpdateType.FRAME` since the node renders
 		 * its effect once per frame in `updateBefore()`.
@@ -239,6 +248,8 @@ class AnamorphicNode extends TempNode {
 
 		this._renderTarget.dispose();
 
+		if ( this._material !== null ) this._material.dispose();
+
 	}
 
 	/**
diff --git a/examples/jsm/tsl/display/BilateralBlurNode.js b/examples/jsm/tsl/display/BilateralBlurNode.js
index 8e1b407574dd5b..c0f356cc15aade 100644
--- a/examples/jsm/tsl/display/BilateralBlurNode.js
+++ b/examples/jsm/tsl/display/BilateralBlurNode.js
@@ -112,6 +112,14 @@ class BilateralBlurNode extends TempNode {
 		this._textureNode = passTexture( this, this._verticalRT.texture );
 		this._textureNode.uvNode = textureNode.uvNode;
 
+		/**
+		 * The material for the blur pass.
+		 *
+		 * @private
+		 * @type {?NodeMaterial}
+		 */
+		this._material = null;
+
 		/**
 		 * The `updateBeforeType` is set to `NodeUpdateType.FRAME` since the node renders
 		 * its effect once per frame in `updateBefore()`.
@@ -318,6 +326,8 @@ class BilateralBlurNode extends TempNode {
 		this._horizontalRT.dispose();
 		this._verticalRT.dispose();
 
+		if ( this._material !== null ) this._material.dispose();
+
 	}
 
 	/**
diff --git a/examples/jsm/tsl/display/GaussianBlurNode.js b/examples/jsm/tsl/display/GaussianBlurNode.js
index e84ff9ed289144..f9a16ab59489b1 100644
--- a/examples/jsm/tsl/display/GaussianBlurNode.js
+++ b/examples/jsm/tsl/display/GaussianBlurNode.js
@@ -98,6 +98,14 @@ class GaussianBlurNode extends TempNode {
 		this._textureNode = passTexture( this, this._verticalRT.texture );
 		this._textureNode.uvNode = textureNode.uvNode;
 
+		/**
+		 * The material for the blur pass.
+		 *
+		 * @private
+		 * @type {?NodeMaterial}
+		 */
+		this._material = null;
+
 		/**
 		 * The `updateBeforeType` is set to `NodeUpdateType.FRAME` since the node renders
 		 * its effect once per frame in `updateBefore()`.
@@ -303,6 +311,8 @@ class GaussianBlurNode extends TempNode {
 		this._horizontalRT.dispose();
 		this._verticalRT.dispose();
 
+		if ( this._material !== null ) this._material.dispose();
+
 	}
 
 	/**
diff --git a/examples/jsm/tsl/display/SSGINode.js b/examples/jsm/tsl/display/SSGINode.js
index 7c1068cff7f5ee..54f912caea8a05 100644
--- a/examples/jsm/tsl/display/SSGINode.js
+++ b/examples/jsm/tsl/display/SSGINode.js
@@ -461,8 +461,6 @@ class SSGINode extends TempNode {
 
 			const color = vec3( 0 );
 
-			const lastSampleViewPosition = vec3( viewPosition ).toVar();
-
 			Loop( { start: uint( 0 ), end: STEP_COUNT, type: 'uint', condition: '<' }, ( { i } ) => {
 
 				const offset = pow( abs( mul( stepRadius, float( i ).add( initialRayStep ) ).div( radiusVS ) ), EXP_FACTOR ).mul( radiusVS ).toConst();
@@ -529,8 +527,6 @@ class SSGINode extends TempNode {
 
 				} );
 
-				lastSampleViewPosition.assign( sampleViewPosition );
-
 			} );
 
 			return vec3( color );