"devoid of human" is correct and can be used in written English.
You could use it in a sentence such as "The beach was completely devoid of human activity."
It's a heartless position, wholly devoid of human empathy.
The images in series by Gedney and Mr. Wool are almost completely devoid of human figures.
Bates is practically devoid of human sympathy, describing the children as "samples".
It is a land of primordial isolation, impenetrable, devoid of human intervention.
The terrain of the Deosai Mountains is rugged and almost devoid of human population.
Many have been driven to a suicidal despair that only those devoid of human empathy can fail to understand.
Evron's 2006 digital video "In Virgin Land," meanwhile, shows uncultivated landscapes devoid of human presence throughout Israel.
To a stranger entering the state from the north, the Florida landscape may appear devoid of human imprint.
In contrast, William Grabowski's "Afternoon, St. John's," which deservedly won first prize for color, is a calm and formal composition, devoid of human presence.
This image may be beautiful, but it belies a harsh environment virtually devoid of human habitation: the sea of sand dunes of the arid Libyan desert.
Devoid of human communication and indulged by her family, she grew into a wild, uruly child, confirming the popular belief that the disease left its victim brain damaged.
