diff --git a/new.sh b/new.sh
index c3e22e0..afcda5d 100755
--- a/new.sh
+++ b/new.sh
@@ -4,4 +4,4 @@ day=$(echo $1 | sed 's/..//')
 year=$(printf %02d $2)
 cp -n template.hs src/Day${day}${year}.hs
 
-alias run="ghc src/Day${day}${year}.hs -o out && cat inputs/$1-$2 | ./out && hyperfine --input inputs/$1-$2 -N --warmup 10 --runs 10 \"./out\" && rm out"
+alias run="ghc -no-keep-hi-files -no-keep-o-files src/Day${day}${year}.hs -o out && cat inputs/$1-$2 | ./out && hyperfine --input inputs/$1-$2 -N --warmup 10 --runs 10 \"./out\" && rm out"