diff --git a/tools/rss_measure.sh b/tools/rss_measure.sh
index 12028ff10..2fff3f6ab 100755
--- a/tools/rss_measure.sh
+++ b/tools/rss_measure.sh
@@ -22,7 +22,6 @@ OUTPUT=
 
 $JERRY $TEST &
 PID=$!
-echo $PID; 
 
 while true;
 do