- (set-specifier (symbol-value 'scrollbar-height) 0 (current-buffer))
- (set-specifier (symbol-value 'scrollbar-width) 0 (current-buffer)))
+ (when (featurep 'scrollbar)
+ (set-specifier (symbol-value 'scrollbar-height) 0 (current-buffer))
+ (set-specifier (symbol-value 'scrollbar-width) 0 (current-buffer))))