Disable minecraft 1.6.4 AABB pool when using heavily AABB-intensive functions

private static boolean disabled;
private static int prevCleans;
public static void disableAABBPool() {
    if (disabled) {
        return;
    }

    prevCleans = AxisAlignedBB.func_72332_a().field_72301_f;
    AxisAlignedBB.func_72332_a().field_72301_f = 0;
    disabled = true;
}
public static void enableAABBPool() {
    if (disabled) {
        AxisAlignedBB.func_72332_a().field_72301_f = prevCleans;
        prevCleans = 0;
        disabled = false;
    }
}