diff --git a/scripts/compare-diffs.sh b/scripts/compare-diffs.sh
index 371a53e..51e116b 100755
--- a/scripts/compare-diffs.sh
+++ b/scripts/compare-diffs.sh
@@ -14,15 +14,13 @@ shift $((OPTIND - 1))
 A=${1:-geth}
 B=${2:-plugeth}
 
-if [[ -n "$output_dir" ]]; then
-  mkdir -p $output_dir
-  A_OUTPUT="$output_dir/A"
-  B_OUTPUT="$output_dir/B"
-else
-  A_OUTPUT=$(mktemp -d -t A_XXXX)
-  B_OUTPUT=$(mktemp -d -t B_XXXX)
+if [[ -z "$output_dir" ]]; then
+  output_dir=$(mktemp -d)
 fi
 
+A_OUTPUT="$output_dir/A"
+B_OUTPUT="$output_dir/B"
+
 ./dumpdiff.$A $A_OUTPUT
 ./dumpdiff.$B $B_OUTPUT
 
@@ -34,5 +32,4 @@ for file in $(ls $A_OUTPUT); do
     mv $tmpfile "$dir/$file"
   done
   (set -x; diff "${A_OUTPUT}/$file" "${B_OUTPUT}/$file")
-  echo Files match: "$PLUGIN_OUTPUT/$file" "$GETH_OUTPUT/$file"
 done