XkbFreeIndicatorMaps - Man Page
Frees memory used by the indicators member of an XkbDescRec structure
void XkbFreeIndicatorMaps (XkbDescPtr xkb);
keyboard description structure
If the indicators member of the keyboard description record pointed to by xkb is not NULL, XkbFreeIndicatorMaps frees the memory associated with the indicators member of xkb.
If xkb is NULL, no operation is performed.
libX11 1.8.4 X Version 11 XKB FUNCTIONS