diff --git a/bench/layers.mjs b/bench/layers.mjs
index 1394e34..85a0ffd 100644
--- a/bench/layers.mjs
+++ b/bench/layers.mjs
@@ -176,6 +176,11 @@ function runCellx(layers, done) {
   const solution = [end.a.get(), end.b.get(), end.c.get(), end.d.get()]
   const endTime = performance.now() - startTime
 
+  start.a.dispose();
+  start.b.dispose();
+  start.c.dispose();
+  start.d.dispose();
+
   done(isSolution(layers, solution) ? endTime : 'wrong')
 }