Trade CS Moses Kuria has vowed not to interfere with the ongoing Meru feud.
Kuria asked the governor to put her house in order before it became too late.
He said that the days of fighting are long gone and that leaders should consider uniting to work for Kenyans.
The CS said that Governor Mwangaza should not put her enemies together but scatter them.
"Punguza vita, kama mimi niliweza kupunguza vita pia wewe unaweza. Nimekupatia wiki moja ya kuhesabu maadui wote na upunguze kwa asilimia hamsini. Usikuwe unapigana na kila mtu. Wacha kuweka maadui wako wote pamoja,"he said.
(Reduce the fights, if I was able to reduce them, you will also be able to do it. I have given you one week to count and reduce them by 50 per cent. You should not fight with everyone and avoid uniting your enemies).
Kuria spoke during a visit to the county to launch the county Aggregation and Industrial Park.
The CS launched the park despite claims of calls from other leaders to postpone it due to the prevailing political situation in Meru.
"I have received requests from my colleague Mithika Linturi and the Meru Leadership to postpone due to the prevailing political situation in Meru," Kuria said on Sunday.
However, the CS said he declined the request noting that Kenya had more serious issues than the political situation in Meru
Governor Mwangaza is staring at the risk of being impeached for the second time in just 10 months.
This is after 61 out of the county's 69 MCAs expressed support for the ouster bid.
The ward representatives include 27 from President William Ruto's UDA party, 21 from the Devolution Empowerment Party, 10 from Jubilee and three from the National Ordinary Peoples Empowerment Union.
The impeachment motion is being crafted and will be tabled in the assembly soon.
Top leaders seem to steer away from the ongoing feud by avoiding commenting about it.
Deputy President Rigathi Gachagua said he would no longer intervene to broker a truce between the feuding leaders.
He told the gathering that he had been requested by a section of leaders from the county to steer clear of the matter.