The La Liga champions, as it stands, will be appointing a new manager this summer, with current boss Xavi announcing at the end of January that he will be standing down from his position.
Arsenal head coach Arteta continues to be linked with the role at Camp Nou, with senior figures at Barcelona said to be hugely impressed by the Spaniard's work at the Emirates Stadium.
However, Deco has said that it is «pointless» to speak about the 41-year-old as a possible replacement for Xavi, as he is «not available» this summer.
The Barcelona chief also ruled out a move for Jurgen Klopp, who is leaving Liverpool at the end of the season, and Manchester City manager Pep Guardiola.
«Nothing has been decided yet, but we are attentive,» Deco told Que T'hi Jugues when asked for an update on the managerial situation at the club.
«Obviously you can appreciate top managers like Pep Guardiola and Jurgen Klopp as well, but they are not available. Just like Mikel Arteta, Andoni Iraola (Bournemouth manager) and Sergio Conceicao (Porto manager) too.
»We haven't spoken with them at all and it's pointless to mention them. We're not speaking to any manager yet."
Deco has opened the door for Xavi to remain as head coach this summer, with the team winning seven and drawing three of their 10 matches since the ex-midfielder announced that he would be leaving his role.
Barcelona remain in the La Liga title race, sitting second in the table, eight points behind the leaders Real Madrid, while they will take on Paris Saint-Germain in the quarter-finals of the Champions League.
«Xavi keeps telling us that
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