Two councils have rejected a call from a Conservative MP for them to merge.
The leaders of Shropshire Council and Telford & Wrekin BC reacted frostily to the idea put forward by Daniel Kawczynski, MP for Shrewsbury & Atcham.
The MP told the Shropshire Star newspaper that such a merger could save £12m a year.
But Telford & Wrekin leader Kuldip Sahota (Lab) said: “We have absolutely no interest in merging with Shropshire Council, or any other authority.
“Telford & Wrekin Council continues to work with other authorities, including Shropshire Council, when it best services the interests of the people of Telford and Wrekin.
“Our borough has a very different economy, a population with very different needs and challenges and, most importantly, very different opportunities compared with Shropshire, opportunities that we are now exploiting to benefit the borough, its residents and this council.”
These differences lay behind the borough leaving Shropshire to become a unitary council in 1998 and had not changed, he added.
Cllr Sahota also reacted with hostility last winter to the idea that Telford & Wrekin should join the West Midlands combined authority.
Shropshire leader Keith Barrow (Con) said he was “all in favour of councils co-operating but I see no need to go beyond that and I can’t see the need for a merger”.
The region is one of few in England in which no devolution proposals have been raised ahead of the government’s 4 September deadline for applications.