diff --git a/core/state_processor.go b/core/state_processor.go
index b9ee469831..7327dbd65f 100644
--- a/core/state_processor.go
+++ b/core/state_processor.go
@@ -93,7 +93,7 @@ func (p *StateProcessor) Process(block *types.Block, statedb *state.StateDB, cfg
 		ProcessParentBlockHash(block.ParentHash(), evm)
 	}
 
-	if hooks := cfg.Tracer; hooks != nil {
+	if hooks := cfg.Tracer; hooks != nil && hooks.OnPreTxExecutionDone != nil {
 		hooks.OnPreTxExecutionDone()
 	}
 
@@ -134,7 +134,7 @@ func (p *StateProcessor) Process(block *types.Block, statedb *state.StateDB, cfg
 	// Finalize the block, applying any consensus engine specific extras (e.g. block rewards)
 	p.chain.Engine().Finalize(p.chain, header, tracingStateDB, block.Body())
 
-	if hooks := cfg.Tracer; hooks != nil {
+	if hooks := cfg.Tracer; hooks != nil && hooks.OnBlockFinalization != nil {
 		hooks.OnBlockFinalization()
 	}