diff --git a/luisa_compute/tests/misc.rs b/luisa_compute/tests/misc.rs
index b0f3f1e..703c704 100644
--- a/luisa_compute/tests/misc.rs
+++ b/luisa_compute/tests/misc.rs
@@ -1414,7 +1414,7 @@ fn is_nan() {
         &track!(|| {
             let tid = dispatch_id().x;
             let x = x.read(tid) / 0.0 - x.read(tid) / 0.0;
-            cpu_dbg!(x);
+            // cpu_dbg!(x);
             lc_assert!(!x.is_finite());
             lc_assert!(x.is_nan());
             lc_assert!(!x.is_infinite());