The former Celtic defender quit Firhill in January to take over at Tannadice before Alan Archibald led the Maryhill outfit to the Irn-Bru First Division title.
A legal row followed over the payment of an £80,000 compensation clause and reports last week suggested McNamara had issued his former employers with a counter-claim worth £40,000 for bonus payments for his part in helping Thistle clinch a place in the Clydesdale Bank Premier League.
But McNamara said: "I can assure everyone I don't want anything from Partick Thistle money-wise. I wish it was resolved, that's the frustrating thing.
"Since I have left there has been a lot coming from Partick Thistle's side, including the stuff last Friday.
"I think they way they have handled it has been very disappointing, instead of just wishing us good luck.
"The compensation thing could have been sorted last month but they decided not to take it for some reason. They could have had the full money.
"I'm just waiting on the legal side of things. They are playing legal games at the moment, which I hope to get resolved because as much as I'm disappointed and frustrated by the way they have dealt with it, I'm delighted for the players that they have managed to get promotion."
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- Partick Thistle