They have been replaced by Chandana Jayakody and Hector Bethmage respectively.
Accounts committee chairman Meryl Perera too, has been replaced by Sumith Wijayamuni Soyza.
Chief minister Isura Devapriya has made these changes on an order by the president.
All the removed members are supporters of Mahinda Rajapaksa and the joint opposition.
Weerasumana Weerasinghe, another such figure, has been removed as the southern provincial sports and youth affairs minister.
The ministries have been taken over by chief minister Shan Wijelal de Silva.