SeaWorld security guards voted 23-10 against joining the same union that represents guards at Disney World.
A team from Gov. Gavin Newsom's administration recently visited Disney World to analyze its parks' COVID-19 safety measures.
Universal didn't specify the number of workers losing their jobs, but did say the cuts did not involve hourly employees.
In Disney World, the latest layoffs will affect only part-time employees after union negotiations.
Theme parks didn't like the state's proposed reopening guidelines and there's no date in sight for finalizing them.
Theme park news: New Disneyland store / Disneyland layoff update / Camp Snoopy at Michigan’s Adventure
Downtown Disney is temporarily expanding to a space inside a Disney theme park to sell seasonal merchandise.
The park will close on Nov. 2 and reopen on or before March 1.
After weeks of demanding guidelines be released, theme park operators asked for a delay and further discussion with the state of California.