diff --git a/ci/script.sh b/ci/script.sh
index 182f86a8b..64897ab65 100644
--- a/ci/script.sh
+++ b/ci/script.sh
@@ -13,8 +13,6 @@ main() {
 
     cargo install --force --path .
 
-    export QEMU_STRACE=1
-
     # test `cross check`
     if [ ! -z $STD ]; then
         td=$(mktemp -d)