diff --git a/src/fxaa.ts b/src/fxaa.ts
index 30fc2c0..24d461f 100644
--- a/src/fxaa.ts
+++ b/src/fxaa.ts
@@ -1,4 +1,5 @@
 import { EffectComposer } from "three/examples/jsm/postprocessing/EffectComposer.js";
+import { Pass } from "three/examples/jsm/postprocessing/Pass.js";
 import { RenderPass } from "three/examples/jsm/postprocessing/RenderPass.js";
 import { ShaderPass } from "three/examples/jsm/postprocessing/ShaderPass.js";
 import { FXAAShader } from "three/examples/jsm/shaders/FXAAShader.js";
@@ -42,4 +43,9 @@ export class FXAASkinViewer extends SkinViewer {
     render(): void {
         this.composer.render();
     }
+
+    dispose(): void {
+        super.dispose();
+        (this.fxaaPass.fsQuad as Pass.FullScreenQuad).dispose();
+    }
 }