diff --git a/cmd/juno/dbcmd.go b/cmd/juno/dbcmd.go
index d9892b6be1..a29485d94e 100644
--- a/cmd/juno/dbcmd.go
+++ b/cmd/juno/dbcmd.go
@@ -2,6 +2,7 @@ package main
 
 import (
 	"encoding/json"
+	"errors"
 	"fmt"
 	"os"
 
@@ -265,7 +266,7 @@ func getNetwork(head *core.Block, stateDiff *core.StateDiff) string {
 func openDB(path string) (db.DB, error) {
 	_, err := os.Stat(path)
 	if os.IsNotExist(err) {
-		return nil, fmt.Errorf("database path does not exist")
+		return nil, errors.New("database path does not exist")
 	}
 
 	database, err := pebble.New(path)
diff --git a/core/trie/key.go b/core/trie/key.go
index 2d94c4ad73..0d0ca7aa88 100644
--- a/core/trie/key.go
+++ b/core/trie/key.go
@@ -3,6 +3,7 @@ package trie
 import (
 	"bytes"
 	"encoding/hex"
+	"errors"
 	"fmt"
 	"math/big"
 
@@ -111,7 +112,7 @@ func (k *Key) shiftRight(n uint8) {
 // MostSignificantBits returns a new key with the most significant n bits of the current key.
 func (k *Key) MostSignificantBits(n uint8) (*Key, error) {
 	if n > k.len {
-		return nil, fmt.Errorf("cannot get more bits than the key length")
+		return nil, errors.New("cannot get more bits than the key length")
 	}
 
 	keyCopy := k.Copy()
diff --git a/core/trie/trie.go b/core/trie/trie.go
index 0dd6f4c77c..c21168c505 100644
--- a/core/trie/trie.go
+++ b/core/trie/trie.go
@@ -191,7 +191,7 @@ func (s *StorageNodeSet) Get(key Key) (*StorageNode, bool) {
 // Put adds a new StorageNode or updates an existing one.
 func (s *StorageNodeSet) Put(key Key, node *StorageNode) error {
 	if node == nil {
-		return fmt.Errorf("cannot put nil node")
+		return errors.New("cannot put nil node")
 	}
 
 	// If key exists, update the node
diff --git a/p2p/starknet/iterator.go b/p2p/starknet/iterator.go
index 62bdb8f1c9..7e0d511364 100644
--- a/p2p/starknet/iterator.go
+++ b/p2p/starknet/iterator.go
@@ -2,7 +2,6 @@ package starknet
 
 import (
 	"errors"
-	"fmt"
 
 	"github.com/NethermindEth/juno/blockchain"
 	"github.com/NethermindEth/juno/core"
@@ -23,10 +22,10 @@ type iterator struct {
 
 func newIteratorByNumber(bcReader blockchain.Reader, blockNumber, limit, step uint64, forward bool) (*iterator, error) {
 	if step == 0 {
-		return nil, fmt.Errorf("step is zero")
+		return nil, errors.New("step is zero")
 	}
 	if limit == 0 {
-		return nil, fmt.Errorf("limit is zero")
+		return nil, errors.New("limit is zero")
 	}
 
 	return &iterator{
@@ -41,7 +40,7 @@ func newIteratorByNumber(bcReader blockchain.Reader, blockNumber, limit, step ui
 
 func newIteratorByHash(bcReader blockchain.Reader, blockHash *felt.Felt, limit, step uint64, forward bool) (*iterator, error) {
 	if blockHash == nil {
-		return nil, fmt.Errorf("block hash is nil")
+		return nil, errors.New("block hash is nil")
 	}
 
 	block, err := bcReader.BlockByHash(blockHash)
diff --git a/rpc/l1.go b/rpc/l1.go
index 908b9e2a78..4438c6e7d5 100644
--- a/rpc/l1.go
+++ b/rpc/l1.go
@@ -2,6 +2,7 @@ package rpc
 
 import (
 	"context"
+	"errors"
 	"fmt"
 	"math/big"
 
@@ -81,7 +82,7 @@ func (h *Handler) GetMessageStatus(ctx context.Context, l1TxnHash *common.Hash)
 
 func (h *Handler) messageToL2Logs(ctx context.Context, txHash *common.Hash) ([]*common.Hash, *jsonrpc.Error) {
 	if h.l1Client == nil {
-		return nil, jsonrpc.Err(jsonrpc.InternalError, fmt.Errorf("11 client not found, cannot serve starknet_getMessage"))
+		return nil, jsonrpc.Err(jsonrpc.InternalError, errors.New("11 client not found, cannot serve starknet_getMessage"))
 	}
 
 	receipt, err := h.l1Client.TransactionReceipt(ctx, *txHash)
diff --git a/rpc/transaction.go b/rpc/transaction.go
index 311955b890..0610671299 100644
--- a/rpc/transaction.go
+++ b/rpc/transaction.go
@@ -609,7 +609,7 @@ func (h *Handler) AddTransaction(ctx context.Context, tx BroadcastedTransaction)
 	}, nil
 }
 
-var errTransactionNotFound = fmt.Errorf("transaction not found")
+var errTransactionNotFound = errors.New("transaction not found")
 
 func (h *Handler) TransactionStatus(ctx context.Context, hash felt.Felt) (*TransactionStatus, *jsonrpc.Error) {
 	receipt, txErr := h.TransactionReceiptByHash(hash)