diff --git a/chains/evm/listener/handlers/deposit.go b/chains/evm/listener/handlers/deposit.go
index df1ac3e..cf51deb 100644
--- a/chains/evm/listener/handlers/deposit.go
+++ b/chains/evm/listener/handlers/deposit.go
@@ -10,7 +10,6 @@ import (
 	"math/big"
 	"slices"
 	"strings"
-	"sync"
 
 	ethereumABI "github.com/ethereum/go-ethereum/accounts/abi"
 	"github.com/ethereum/go-ethereum/common"
@@ -56,7 +55,6 @@ type DepositEventHandler struct {
 	slotIndex        uint8
 	genericResources []string
 	msgChan          chan []*message.Message
-	lock             sync.Mutex
 }
 
 func NewDepositEventHandler(
@@ -76,14 +74,10 @@ func NewDepositEventHandler(
 		genericResources: genericResources,
 		msgChan:          msgChan,
 		domainID:         domainID,
-		lock:             sync.Mutex{},
 	}
 }
 
 func (h *DepositEventHandler) HandleEvents(destination uint8, startBlock *big.Int, endBlock *big.Int, slot *big.Int) error {
-	h.lock.Lock()
-	defer h.lock.Unlock()
-
 	deposits, err := h.fetchDeposits(destination, startBlock, endBlock)
 	if err != nil {
 		return err
diff --git a/chains/evm/listener/handlers/hashi.go b/chains/evm/listener/handlers/hashi.go
index 431f31f..e0c5ab5 100644
--- a/chains/evm/listener/handlers/hashi.go
+++ b/chains/evm/listener/handlers/hashi.go
@@ -8,7 +8,6 @@ import (
 	"fmt"
 	"math/big"
 	"strings"
-	"sync"
 
 	"github.com/attestantio/go-eth2-client/api"
 	apiv1 "github.com/attestantio/go-eth2-client/api/v1"
@@ -54,7 +53,6 @@ type HashiEventHandler struct {
 	beaconClient  BeaconClient
 	client        Client
 	chainIDS      map[uint8]uint64
-	lock          sync.Mutex
 }
 
 func NewHashiEventHandler(
@@ -78,14 +76,10 @@ func NewHashiEventHandler(
 		rootProver:    rootProver,
 		chainIDS:      chainIDS,
 		msgChan:       msgChan,
-		lock:          sync.Mutex{},
 	}
 }
 
 func (h *HashiEventHandler) HandleEvents(destination uint8, startBlock *big.Int, endBlock *big.Int, slot *big.Int) error {
-	h.lock.Lock()
-	defer h.lock.Unlock()
-
 	logs, err := h.fetchMessages(startBlock, endBlock)
 	if err != nil {
 		return err
diff --git a/chains/evm/message/stateRoot.go b/chains/evm/message/stateRoot.go
index 42cd10c..bbd80f4 100644
--- a/chains/evm/message/stateRoot.go
+++ b/chains/evm/message/stateRoot.go
@@ -7,6 +7,7 @@ import (
 	"context"
 	"encoding/hex"
 	"math/big"
+	"sync"
 
 	"github.com/attestantio/go-eth2-client/api"
 	"github.com/attestantio/go-eth2-client/spec"
@@ -54,6 +55,7 @@ type StateRootHandler struct {
 	eventHandlers []EventHandler
 	startBlock    *big.Int
 	domainID      uint8
+	lock          sync.Mutex
 }
 
 func NewStateRootHandler(
@@ -69,12 +71,16 @@ func NewStateRootHandler(
 		domainID:      domainID,
 		startBlock:    startBlock,
 		eventHandlers: eventHandlers,
+		lock:          sync.Mutex{},
 	}
 }
 
 // HandleMessage fetches deposits for the given state root and submits a transfer message
 // with execution state proofs per transfer
 func (h *StateRootHandler) HandleMessage(m *message.Message) (*proposal.Proposal, error) {
+	h.lock.Lock()
+	defer h.lock.Unlock()
+
 	stateRoot := m.Data.(StateRootData)
 	log.Debug().Uint8(
 		"domainID", m.Destination).Str(