Ask a rep why a dead deal is still on the board and you will get a reason. Ask them whether they think it will close and you will get the truth, usually within four seconds. They know. Everyone in the room knows. The deal survives because killing it is the only action in the sales process that has a cost to the rep and no visible reward.
This is not a discipline problem. It is an incentive design problem, and it is one of the cheapest things to fix in any sales organisation.
Why bad deals survive
The most expensive thing in a sales team is not a lost deal. It is a deal that takes seven months to be lost.
Make the kill visible
Invert every incentive listed above. Measure coverage on qualified pipeline only, so removing an unqualified deal does not damage the number. Open the weekly review with disqualifications rather than wins, named and briefly explained. Track disqualification velocity (average days from creation to close-lost) as a team metric that you want going down.
Then say the quiet part out loud, repeatedly, until it is believed: nobody has ever been managed out of this team for disqualifying too early. People have been managed out for a board full of deals that were never real.
Three questions that kill a deal cleanly
Two failures out of three and the deal moves to closed-lost with a reason code. Not "nurture". Not "revisit Q3". Closed. Nurture is where deals go to avoid being counted.
Send the buyer a short, unresentful email saying you are closing the file and why, and inviting them to say so if you have read it wrong. A meaningful minority reply and re-engage, because it is the first honest message they have had from a vendor in months. The rest cost you nothing.
What changes
Reported pipeline falls, and everyone panics for about a month. Then win rate rises, not because selling improved but because the denominator became honest. Sales cycle shortens for the same reason. Forecast accuracy improves measurably within two quarters, and the reviews get shorter because there is less to talk about.
The effect that matters most is harder to chart: reps stop spending forty per cent of their week maintaining relationships with people who are never going to buy anything. That capacity goes somewhere better. It usually goes into the top of the funnel, which is where the actual problem was.