diff --git a/accounts/abi/bind/backends/simulated.go b/accounts/abi/bind/backends/simulated.go
index 400227c3a8..22a233f261 100644
--- a/accounts/abi/bind/backends/simulated.go
+++ b/accounts/abi/bind/backends/simulated.go
@@ -240,7 +240,7 @@ func (b *SimulatedBackend) EstimateGas(ctx context.Context, call ethereum.CallMs
 
 	// Determine the lowest and highest possible gas limits to binary search in between
 	var (
-		lo  uint64 = params.TxGas - 1
+		lo  = params.TxGas - 1
 		hi  uint64
 		cap uint64
 	)