diff --git a/btc/explorer_api.go b/btc/explorer_api.go
index f6c0e8b..18d0073 100644
--- a/btc/explorer_api.go
+++ b/btc/explorer_api.go
@@ -230,7 +230,7 @@ func (a *ExplorerAPI) PublishTx(rawTxHex string) (string, error) {
 	return body.String(), nil
 }
 
-func fetchJSON(url string, target interface{}) error {
+func fetchJSON(url string, target any) error {
 	resp, err := http.Get(url)
 	if err != nil {
 		return fmt.Errorf("error fetching data from API '%s', "+
diff --git a/cmd/chantools/rescueclosed.go b/cmd/chantools/rescueclosed.go
index f4ae827..f6043c3 100644
--- a/cmd/chantools/rescueclosed.go
+++ b/cmd/chantools/rescueclosed.go
@@ -309,6 +309,7 @@ outer:
 
 	importStr := ""
 	for addr, wif := range resultMap {
+		//nolint:modernize,perfsprint
 		importStr += fmt.Sprintf(`importprivkey "%s" "%s" false%s`, wif,
 			addr, "\n")
 	}
diff --git a/cmd/chantools/walletinfo.go b/cmd/chantools/walletinfo.go
index 9458df0..158cd3f 100644
--- a/cmd/chantools/walletinfo.go
+++ b/cmd/chantools/walletinfo.go
@@ -227,6 +227,7 @@ func printScopeInfo(name string, w *wallet.Wallet,
 			return "", fmt.Errorf("error fetching account "+
 				"properties: %w", err)
 		}
+		//nolint:modernize,perfsprint
 		scopeInfo += fmt.Sprintf(
 			keyScopeformat, scope.Purpose, scope.Coin, name,
 			props.InternalKeyCount, name, props.ExternalKeyCount,
diff --git a/cmd/chantools/zombierecovery_findmatches.go b/cmd/chantools/zombierecovery_findmatches.go
index f89d8ae..b88fda3 100644
--- a/cmd/chantools/zombierecovery_findmatches.go
+++ b/cmd/chantools/zombierecovery_findmatches.go
@@ -368,7 +368,7 @@ func fetchChannels(client *graphql.Client, pubkey string) ([]*gqChannel,
 
 	offset := 0.0
 	limit := 50.0
-	variables := map[string]interface{}{
+	variables := map[string]any{
 		"pubkey": pubkey,
 		"limit":  50.0,
 		"offset": offset,
diff --git a/lnd/hdkeychain.go b/lnd/hdkeychain.go
index 510b1f3..4161333 100644
--- a/lnd/hdkeychain.go
+++ b/lnd/hdkeychain.go
@@ -4,6 +4,7 @@ import (
 	"crypto/sha256"
 	"errors"
 	"fmt"
+	"slices"
 	"strconv"
 	"strings"
 
@@ -524,25 +525,15 @@ func CheckAndEstimateAddress(addr string, chainParams *chaincfg.Params,
 }
 
 func matchAddrType(addr btcutil.Address, allowedTypes ...AddrType) bool {
-	contains := func(allowedTypes []AddrType, addrType AddrType) bool {
-		for _, allowedType := range allowedTypes {
-			if allowedType == addrType {
-				return true
-			}
-		}
-
-		return false
-	}
-
 	switch addr.(type) {
 	case *btcutil.AddressWitnessPubKeyHash:
-		return contains(allowedTypes, AddrTypeP2WKH)
+		return slices.Contains(allowedTypes, AddrTypeP2WKH)
 
 	case *btcutil.AddressWitnessScriptHash:
-		return contains(allowedTypes, AddrTypeP2WSH)
+		return slices.Contains(allowedTypes, AddrTypeP2WSH)
 
 	case *btcutil.AddressTaproot:
-		return contains(allowedTypes, AddrTypeP2TR)
+		return slices.Contains(allowedTypes, AddrTypeP2TR)
 
 	default:
 		return false