diff --git a/store/iavl/store.go b/store/iavl/store.go
index 77f611380535..3721400e2023 100644
--- a/store/iavl/store.go
+++ b/store/iavl/store.go
@@ -142,10 +142,7 @@ func (st *Store) Commit() types.CommitID {
 
 // LastCommitID implements Committer.
 func (st *Store) LastCommitID() types.CommitID {
-	hash, err := st.tree.Hash()
-	if err != nil {
-		panic(err)
-	}
+	hash := st.tree.Hash()
 
 	return types.CommitID{
 		Version: st.tree.Version(),
@@ -246,19 +243,13 @@ func (st *Store) LazyLoadVersionForOverwriting(targetVersion int64) (int64, erro
 
 // Implements types.KVStore.
 func (st *Store) Iterator(start, end []byte) types.Iterator {
-	iterator, err := st.tree.Iterator(start, end, true)
-	if err != nil {
-		panic(err)
-	}
+	iterator := st.tree.Iterator(start, end, true)
 	return iterator
 }
 
 // Implements types.KVStore.
 func (st *Store) ReverseIterator(start, end []byte) types.Iterator {
-	iterator, err := st.tree.Iterator(start, end, false)
-	if err != nil {
-		panic(err)
-	}
+	iterator := st.tree.Iterator(start, end, false)
 	return iterator
 }
 
diff --git a/store/iavl/store_test.go b/store/iavl/store_test.go
index f73c86197c07..ae83b863e485 100644
--- a/store/iavl/store_test.go
+++ b/store/iavl/store_test.go
@@ -7,9 +7,9 @@ import (
 
 	"github.com/cosmos/cosmos-sdk/store/cachekv"
 
-	dbm "github.com/cometbft/cometbft-db"
+	"cosmossdk.io/log"
 	abci "github.com/cometbft/cometbft/abci/types"
-	"github.com/cometbft/cometbft/libs/log"
+	dbm "github.com/cosmos/cosmos-db"
 	"github.com/cosmos/iavl"
 	"github.com/stretchr/testify/require"
 
@@ -34,8 +34,7 @@ func randBytes(numBytes int) []byte {
 
 // make a tree with data from above and save it
 func newAlohaTree(t *testing.T, db dbm.DB) (*iavl.MutableTree, types.CommitID) {
-	tree, err := iavl.NewMutableTree(db, cacheSize, false)
-	require.NoError(t, err)
+	tree := iavl.NewMutableTree(dbm.NewMemDB(), 100, false, log.NewNopLogger())
 
 	for k, v := range treeData {
 		tree.Set([]byte(k), []byte(v))
@@ -280,10 +279,8 @@ func TestIAVLIterator(t *testing.T) {
 }
 
 func TestIAVLReverseIterator(t *testing.T) {
-	db := dbm.NewMemDB()
 
-	tree, err := iavl.NewMutableTree(db, cacheSize, false)
-	require.NoError(t, err)
+	tree := iavl.NewMutableTree(dbm.NewMemDB(), 100, false, log.NewNopLogger())
 
 	iavlStore := UnsafeNewStore(tree)
 
@@ -314,9 +311,7 @@ func TestIAVLReverseIterator(t *testing.T) {
 }
 
 func TestIAVLPrefixIterator(t *testing.T) {
-	db := dbm.NewMemDB()
-	tree, err := iavl.NewMutableTree(db, cacheSize, false)
-	require.NoError(t, err)
+	tree := iavl.NewMutableTree(dbm.NewMemDB(), 100, false, log.NewNopLogger())
 
 	iavlStore := UnsafeNewStore(tree)
 
diff --git a/store/prefix/store_test.go b/store/prefix/store_test.go
index d7b655968814..c5c43f372c63 100644
--- a/store/prefix/store_test.go
+++ b/store/prefix/store_test.go
@@ -4,9 +4,10 @@ import (
 	"crypto/rand"
 	"testing"
 
+	"cosmossdk.io/log"
 	"github.com/cosmos/cosmos-sdk/store/cachekv"
 
-	dbm "github.com/cometbft/cometbft-db"
+	dbm "github.com/cosmos/cosmos-db"
 	"github.com/stretchr/testify/require"
 
 	tiavl "github.com/cosmos/iavl"
@@ -89,9 +90,7 @@ func testPrefixStore(t *testing.T, baseStore types.KVStore, prefix []byte) {
 }
 
 func TestIAVLStorePrefix(t *testing.T) {
-	db := dbm.NewMemDB()
-	tree, err := tiavl.NewMutableTree(db, cacheSize, false)
-	require.NoError(t, err)
+	tree := tiavl.NewMutableTree(dbm.NewMemDB(), 100, false, log.NewNopLogger())
 	iavlStore := iavl.UnsafeNewStore(tree)
 
 	testPrefixStore(t, iavlStore, []byte("test"))