diff --git a/src/viewport-three/viewport-host.ts b/src/viewport-three/viewport-host.ts
index f524baeb..b1c7f239 100644
--- a/src/viewport-three/viewport-host.ts
+++ b/src/viewport-three/viewport-host.ts
@@ -3380,6 +3380,10 @@ export class ViewportHost {
 
     this.brushRenderObjects.clear();
     this.volumeAnimatedUniforms.length = 0;
+    for (const binding of this.viewportWaterSurfaceBindings) {
+      binding.reflectionRenderTarget?.dispose();
+    }
+    this.viewportWaterSurfaceBindings.length = 0;
   }
 
   private clearEntityMarkers() {