diff --git a/core/blockchain.go b/core/blockchain.go
index 3eb8f650dd..8387b9e64a 100644
--- a/core/blockchain.go
+++ b/core/blockchain.go
@@ -664,13 +664,8 @@ func (bc *BlockChain) ProcessBlock(block *types.Block, parent *types.Header, wit
 
 		go func() {
 			statedb.StartPrefetcher("chain", witness)
-
-			// Disable tracing for prefetcher executions.
-			vmCfg := bc.vmConfig
-			vmCfg.Tracer = nil
-
 			pstart := time.Now()
-			res, err := bc.processor.Process(block, statedb, vmCfg, ctx)
+			res, err := bc.processor.Process(block, statedb, bc.vmConfig, ctx)
 			blockExecutionSerialTimer.UpdateSince(pstart)
 			if err == nil {
 				vstart := time.Now()