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Experienced striker Ben Williamson has left Dover by mutual consent, the club have announced.
The 33-year-old, who joined Andy Hessenthaler's team in June after leaving Bromley, made 25 appearances for the club this season, scoring twice.
He started for Whites as they were beaten 5-0 at Solihull Moors on Saturday before not being in their squad on Tuesday as Dover beat Eastleigh 1-0 in the National League on Tuesday to claim a long-awaited victory.
His Dover goals came in league defeats to Stockport (5-2) and Halifax (3-1).
Williamson had also played under Hessenthaler at Eastleigh, while he had a brief spell at Gillingham but left Priestfield in January 2016 for Cambridge after a loan spell with them.
In a club statement, Dover said: "We would like to thank Ben for his efforts while at Crabble and wish him the very best of luck in the future."
Whites have bolstered their attacking ranks this week, signing forward Michael Gyasi on loan from fellow league strugglers King's Lynn until the end of the season, with Gyasi coming off the bench against Eastleigh.
Bottom side Dover welcome Kevin Maher's Southend to Crabble this Saturday.