diff --git a/x/cert/keeper/keeper.go b/x/cert/keeper/keeper.go
index 9b7a28548..c43ba0847 100644
--- a/x/cert/keeper/keeper.go
+++ b/x/cert/keeper/keeper.go
@@ -147,10 +147,7 @@ func (k keeper) WithCertificates1(ctx sdk.Context, fn func(id types.CertID, cert
 	}()
 
 	for ; iter.Valid(); iter.Next() {
-		id, err := parseCertID(iter.Key())
-		if err != nil {
-			panic(err.Error())
-		}
+		id := parseCertID(iter.Key())
 
 		item := k.mustUnmarshal(iter.Key(), iter.Value())
 		if stop := fn(id, item); stop {
diff --git a/x/cert/keeper/key.go b/x/cert/keeper/key.go
index 0c4573ccd..3ec10fbe9 100644
--- a/x/cert/keeper/key.go
+++ b/x/cert/keeper/key.go
@@ -51,7 +51,7 @@ func certificateSerialFromKey(key []byte) big.Int {
 	return *new(big.Int).SetBytes(key[keyAddrPrefixLen+addrLen:])
 }
 
-func parseCertID(from []byte) (types.CertID, error) {
+func parseCertID(from []byte) types.CertID {
 	res := types.CertID{
 		Serial: *big.NewInt(0),
 	}
@@ -66,5 +66,5 @@ func parseCertID(from []byte) (types.CertID, error) {
 	strOwner := res.Owner.String()
 	_ = strOwner
 
-	return res, nil
+	return res
 }