Quite a few tennis programs have been terminated at schools, including Arkansas and Illinois State. Schools are looking at the financial burden of a program and reallocating the money to Football, Basketball, etc. Not sure if any sports are completely safe unless they're profitable.

https://www.videtteonline.com/sports/illinois-state-men-s-tennis-program-discontinued-isu-athletics-confirms/article_a5de89a1-9ff4-47d2-b677-819ca60d76f5.html