diff --git a/testing/scripts/diff-remove-timestamps b/testing/scripts/diff-remove-timestamps
index 5c5956a0ed..0bcc458739 100755
--- a/testing/scripts/diff-remove-timestamps
+++ b/testing/scripts/diff-remove-timestamps
@@ -9,6 +9,4 @@ else
    sed="sed -E"
 fi
 
-# $a\ adds a newline to the end of the file if it does not exist.
-# This unifies the behavior of BSD and GNU sed
-$sed -e 's/(^|[^0-9])([0-9]{9,10}\.[0-9]{1,8})/\1XXXXXXXXXX.XXXXXX/g' -e  's/^ *#(open|close).(19|20)..-..-..-..-..-..$/#\1 XXXX-XX-XX-XX-XX-XX/g' -e '$a\'
+$sed -e 's/(^|[^0-9])([0-9]{9,10}\.[0-9]{1,8})/\1XXXXXXXXXX.XXXXXX/g' -e  's/^ *#(open|close).(19|20)..-..-..-..-..-..$/#\1 XXXX-XX-XX-XX-XX-XX/g'