the fact that many countries have eliminated the dollar in international trade in recent years is showing that the dollar is gradually losing its position.
Keep in mind that they haven't "eliminated" dollar from their international trades, they have decreased its usage. For example China as the biggest bagholder of US debt has dumped $175 billion of it last year but they are still bagholding more of it.
As you correctly pointed out, this is a gradual move where every country goes through the dedollarisation process.
The 15th BRICS summit is going to be very interesting which will be held on 22 – 24 August (about a month from now) and some are saying the BRICS new currency will be revealed then. This could potentially have a significant effect on the ongoing dedollarisation around the globe.
China USD reserves are around 3 Trillon USD, so China itself will suffer huge blow if dollar collapse unless they get rid of there all USD holdings. Meanwhile there are news that 40 more countries are in line to join BRICS and this is enough to prove that the platform is getting popular globally. The most interesting part is that gulf countries are also taking interest in joining BRICS and if that happens then what will be fate of billion of USD that belongs to gulf countries but residing in US banks?