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Ankle arthrodesis is still considered the gold standard in the treatment of advanced painful ankle osteoarthritis. More than 3 decades ago, it was performed under arthroscopy; thereafter, many authors have reported excellent results and a low complication rate. Despite the significant improvements in surgical techniques, nonunion remains a problematic and relatively frequent event. This is one of the reasons the research is constantly active in this field. Ten years ago, a fibular resection during ankle arthrodesis was, for the first time, described in the literature as a means to correct malalignment in varus cases. Nowadays, we perform a similar technique during all arthroscopic ankle arthrodeses, regardless of the kind of preoperative deformity (varus, valgus, or normal alignment). In this article, we describe the arthroscopic technique to perform a fibular intra-articular resection during arthroscopic ankle arthrodesis, joining the benefits of arthroscopic minimal invasiveness to the full joint contact gained after such a fibular osteotomy. In our opinion, this would be the only way through which full contact between the talar and tibial surfaces may be achieved.