diff --git a/miner/bid_simulator.go b/miner/bid_simulator.go
index baa2c9c1c5..50d74e576d 100644
--- a/miner/bid_simulator.go
+++ b/miner/bid_simulator.go
@@ -670,14 +670,17 @@ func (b *bidSimulator) simBid(interruptCh chan int32, bidRuntime *BidRuntime) {
 
 	// if enable greedy merge, fill bid env with transactions from mempool
 	if b.config.GreedyMergeTx {
-		delay := b.engine.Delay(b.chain, bidRuntime.env.header, &b.delayLeftOver)
+		endingBidsExtra := 20 * time.Millisecond // Add a buffer to ensure ending bids before `delayLeftOver`
+		minTimeLeftForEndingBids := b.delayLeftOver + endingBidsExtra
+		delay := b.engine.Delay(b.chain, bidRuntime.env.header, &minTimeLeftForEndingBids)
 		if delay != nil && *delay > 0 {
 			bidTxsSet := mapset.NewThreadUnsafeSetWithSize[common.Hash](len(bidRuntime.bid.Txs))
 			for _, tx := range bidRuntime.bid.Txs {
 				bidTxsSet.Add(tx.Hash())
 			}
-
-			fillErr := b.bidWorker.fillTransactions(interruptCh, bidRuntime.env, nil, bidTxsSet)
+			stopTimer := time.NewTimer(*delay)
+			defer stopTimer.Stop()
+			fillErr := b.bidWorker.fillTransactions(interruptCh, bidRuntime.env, stopTimer, bidTxsSet)
 			log.Trace("BidSimulator: greedy merge stopped", "block", bidRuntime.env.header.Number,
 				"builder", bidRuntime.bid.Builder, "tx count", bidRuntime.env.tcount-bidTxLen+1, "err", fillErr)
 
diff --git a/miner/worker.go b/miner/worker.go
index 6a32188484..261596ad09 100644
--- a/miner/worker.go
+++ b/miner/worker.go
@@ -70,9 +70,6 @@ const (
 	// save height, keep recently mined blocks to avoid double sign for safety,
 	recentMinedCacheLimit = 20
 
-	// the default to wait for the mev miner to finish
-	waitMEVMinerEndTimeLimit = 50 * time.Millisecond
-
 	// Reserve block size for the following 3 components:
 	// a. System transactions at the end of the block
 	// b. Seal in the block header
@@ -1403,8 +1400,8 @@ LOOP:
 		// We want to start sealing the block as late as possible here if mev is enabled, so we could give builder the chance to send their final bid.
 		// Time left till sealing the block.
 		tillSealingTime := time.Until(time.Unix(int64(bestWork.header.Time), 0)) - w.config.DelayLeftOver
-		if tillSealingTime > max(100*time.Millisecond, w.config.DelayLeftOver) {
-			// Still a lot of time left, wait for the best bid.
+		if tillSealingTime > 0 {
+			// Still some time left, wait for the best bid.
 			// This happens during the peak time of the network, the local block building LOOP would break earlier than
 			// the final sealing time by meeting the errBlockInterruptedByOutOfGas criteria.
 
@@ -1418,15 +1415,6 @@ LOOP:
 			}
 		}
 
-		if pendingBid := w.bidFetcher.GetSimulatingBid(bestWork.header.ParentHash); pendingBid != nil {
-			waitBidTimer := time.NewTimer(waitMEVMinerEndTimeLimit)
-			defer waitBidTimer.Stop()
-			select {
-			case <-waitBidTimer.C:
-			case <-pendingBid.finished:
-			}
-		}
-
 		bestBid := w.bidFetcher.GetBestBid(bestWork.header.ParentHash)
 
 		if bestBid != nil {