diff --git a/eth/backend.go b/eth/backend.go
index 81d84028a5..ba3381fce7 100644
--- a/eth/backend.go
+++ b/eth/backend.go
@@ -57,10 +57,6 @@ import (
 	"github.com/ethereum/go-ethereum/rpc"
 )
 
-// Config contains the configuration options of the ETH protocol.
-// Deprecated: use ethconfig.Config instead.
-type Config = ethconfig.Config
-
 // Ethereum implements the Ethereum full node service.
 type Ethereum struct {
 	config *ethconfig.Config
diff --git a/ethclient/simulated/backend.go b/ethclient/simulated/backend.go
index 0c2a0b453c..6602e9e484 100644
--- a/ethclient/simulated/backend.go
+++ b/ethclient/simulated/backend.go
@@ -104,7 +104,7 @@ func NewBackend(alloc types.GenesisAlloc, options ...func(nodeConf *node.Config,
 
 // newWithNode sets up a simulated backend on an existing node. The provided node
 // must not be started and will be started by this method.
-func newWithNode(stack *node.Node, conf *eth.Config, blockPeriod uint64) (*Backend, error) {
+func newWithNode(stack *node.Node, conf *ethconfig.Config, blockPeriod uint64) (*Backend, error) {
 	backend, err := eth.New(stack, conf)
 	if err != nil {
 		return nil, err