diff --git a/client.go b/client.go
index 0fdc2ac..aa5235f 100644
--- a/client.go
+++ b/client.go
@@ -1622,7 +1622,7 @@ func (a *arkClient) makeDeleteIntentBIP322Signature(
 		BaseIntentMessage: bip322.BaseIntentMessage{
 			Type: bip322.IntentMessageTypeDelete,
 		},
-		ExpireAt: time.Now().Add(2 * time.Minute).Unix(),
+		ExpireAt: 0,
 	}.Encode()
 	if err != nil {
 		return "", "", err
diff --git a/utils.go b/utils.go
index af1bf3e..6628867 100644
--- a/utils.go
+++ b/utils.go
@@ -478,7 +478,6 @@ func registerIntentMessage(
 	cosignersPublicKeys []string,
 ) (string, []*wire.TxOut, error) {
 	validAt := time.Now()
-	expireAt := validAt.Add(2 * time.Minute).Unix()
 	outputsTxOut := make([]*wire.TxOut, 0)
 	onchainOutputsIndexes := make([]int, 0)
 	inputTapTrees := make([]string, 0)
@@ -517,7 +516,7 @@ func registerIntentMessage(
 		},
 		InputTapTrees:        inputTapTrees,
 		OnchainOutputIndexes: onchainOutputsIndexes,
-		ExpireAt:             expireAt,
+		ExpireAt:             0,
 		ValidAt:              validAt.Unix(),
 		CosignersPublicKeys:  cosignersPublicKeys,
 	}.Encode()