The draconian law was abolished with 38 votes in favour and 13 against.
The widely-condemned law introduced hefty fines and jail terms for journalists.
A bill to repeal the anti-defection law was proposed by PPM deputy leader Riyaz Rasheed.
The station has been fined millions since an anti-defamation law came into effect.
The station has been fined the maximum amount of US$130,000.
According to state media, the ‘Stealing Paradise’ documentary, which exposed systemic corruption, abuse of power and criminal activity at the highest level of government, was deemed...