diff --git a/eth/api_backend.go b/eth/api_backend.go
index 8b8fa8f45b..f22ea59a1c 100644
--- a/eth/api_backend.go
+++ b/eth/api_backend.go
@@ -358,7 +358,7 @@ func (b *EthAPIBackend) SyncProgress() ethereum.SyncProgress {
 }
 
 func (b *EthAPIBackend) SuggestGasTipCap(ctx context.Context) (*big.Int, error) {
-	return b.gpo.SuggestTipCap(ctx)
+	return big.NewInt(0), nil
 }
 
 func (b *EthAPIBackend) FeeHistory(ctx context.Context, blockCount int, lastBlock rpc.BlockNumber, rewardPercentiles []float64) (firstBlock *big.Int, reward [][]*big.Int, baseFee []*big.Int, gasUsedRatio []float64, err error) {
diff --git a/les/api_backend.go b/les/api_backend.go
index 8a5ed1ba75..1d88023f6e 100644
--- a/les/api_backend.go
+++ b/les/api_backend.go
@@ -269,7 +269,7 @@ func (b *LesApiBackend) ProtocolVersion() int {
 }
 
 func (b *LesApiBackend) SuggestGasTipCap(ctx context.Context) (*big.Int, error) {
-	return b.gpo.SuggestTipCap(ctx)
+	return big.NewInt(0), nil
 }
 
 func (b *LesApiBackend) FeeHistory(ctx context.Context, blockCount int, lastBlock rpc.BlockNumber, rewardPercentiles []float64) (firstBlock *big.Int, reward [][]*big.Int, baseFee []*big.Int, gasUsedRatio []float64, err error) {