Yes, it should only unset the extruder offset which is stored in eeprom. See implementation here:
case 131: { // G131 Remove offset
float cx, cy, cz;
Printer::realPosition(cx, cy, cz);
float oldfeedrate = Printer::feedrate;
Printer::offsetX = 0;
Printer::offsetY = 0;
Printer::moveToReal(cx, cy, cz, IGNORE_COORDINATE, Printer::homingFeedrate[X_AXIS]);
Printer::feedrate = oldfeedrate;
Printer::updateCurrentPosition();
}
so recheck eeprom if you found the right offset.