As with most of the tagmata, the regiment of the Excubitors did not survive the great upheavals of the later 11th century, when foreign invasion and constant civil wars destroyed much of the Byzantine army.
Seperti kebanyakan tagmata, resimen Excubitor tidak bertahan dari pergolakan besar pada abad ke-11, ketika serangan asing dan perang sipil terus menerus menghancurkan banyak pasukan Bizantium.