Uniswap's UNIfication governance initiative, approved in December 2025, included a direct one-time treasury burn of 100 million UNI tokens

From the articleUniswap Turns v4 Into an Aggregator, Sending Fees From Outside Liquidity to UNI Burn - UnchainedAlso in DeFi Giant Uniswap Taps 7 Rival Liquidity Sources to Burn UNI Tokens