If you are talking about blockchain.info wallet it's probably an issue with their site or database. Contact their support:
https://blockchain.zendesk.com/homeOn the actual block chain itself it is not possible to delete transactions.
yes im talking regarding blockchain.info , I checked if it's their website , I used my other wallet address which only has 2 transactions and loads as soon as the page load but for my other address it always takes too long , thanks for your help
If you are talking about deleting transactions (history), it is not possible, as it is one of the factors that make the blockchain secure, so it is not possible.
I do not recommend using the same wallet for using faucet for a long time, especially for light weight ones, because they will easily lag on loading them.
BTW I'm still using my blockchain wallet with no issues.
so it seems I don't have a choice , maybe thats why for me it lags so much in loading , thanks for your help