Independent Greeks (ANEL) leader and Defence Minister Panos Kammenos said that "the measures for the reduction of pensions will not be applied" in an interview on Monday, adding that the relevant legislation will be repealed.
Budget inspectors are due in Athens next week to get an update on the country's fiscal and economic situation, a European Commission official said on Tuesday.
Cutting pensions will likely not prove essential, government spokesman Dimitris Tzanakopoulos said on Monday in an interview, expressing confidence that Greece will be able to meet its fiscal targets without pension cuts.
"The IMF's insistence on cutting pensions, as reported in the media, is not surprising," Nikos Pappas, Minister of Digital Policy, Telecommunications and Information posted on Twitter on Thursday.
"The main opposition welcomes the possibility of non-reduction of pensions," New Democracy (ND) Shadow Labour Minister Yiannis Vroutsis said on Sunday in an interview.
European Commissioner Pierre Moscovici said referring to the pension cuts in 2019 that "we will discuss it when the time comes" in an interview on Wednesday
Official figures showed on Thursday that Greek authorities paid a total of 4,496,290 pensions in December 2017, of which 2,851,060 were main, 1,237,924 supplementary and 407,306 were dividends.
Main opposition New Democracy leader Kyriakos Mitsotakis lashed out at the government on Tuesday during the first meeting of ND shadow ministers in 2018.
Thousands of pensioners from around Greece descended on central Athens on Friday to protest against the new pension cuts, ahead of the vote of the 2018 budget in parliament.