The Blades were relegated this week and face Nottingham Forest on Saturday.
Wilder said: "We have got a massive obligation to our supporters to go out on a high and give them something for the summer to hang on to because they've had nothing to hang on to this season, very few moments.
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"We have two massive, fabulous home games. We all understand the connection and the rivalry between ourselves and Forest recently and going back a long time. We all understand that. On and off the pitch as well I think this stuff.
"Then an away day at Everton. Three big games for us. My attitude and preparation will be there as it has been since we walked through he door. There won't be any 'on the beach' unless the players produce 'on the beach' performances."