In speaking of a new covenant, he makes the first one obsolete (pepalaiōken | πεπαλαίωκεν | perf act ind 3 sg). And what is becoming obsolete (palaioumenon | παλαιούμενον | pres pass ptcp nom sg neut) and growing old is ready to disappear.
Reference
Hebrews 8:13
Sequence
3