Rubber glueing

Hello may sound like a stupid question but whilst gluing on my rubber I noticed that when I peeled it off a little bit as I had to do something there was like dried up glue patches on the sponge. I know that this means that I didn't leave the glue to dry properly but I was just wondering would it be ok to just reglue the rubber back on to the blade and go up the dry bits of glue if anyone can help it will be much apprecaited :D
 
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