Wales forward Bale returned for a second spell with Tottenham in September after being frozen out by Real manager Zinedine Zidane.
He has endured a difficult time back in the Premier League, plagued by fitness issues, inconsistent form and a dispute with Tottenham manager Jose Mourinho over his readiness for an FA Cup tie at Everton.
The 31-year-old's Madrid contract runs until the end of the 2021-22 season and he revealed he will head back to Spain after the delayed Euro 2020 this summer.
"There's no distraction for me," Bale told a press conference. "I think the main reason I came to Spurs this year was to play football first and foremost.