diff --git a/go.mod b/go.mod
index 90602dbee..ec54ef334 100644
--- a/go.mod
+++ b/go.mod
@@ -9,7 +9,7 @@ require (
 	github.com/btcsuite/btcd v0.20.1-beta
 	github.com/confio/ics23/go v0.0.0-20200804135932-65ad804e8539
 	github.com/cosmos/go-bip39 v0.0.0-20180819234021-555e2067c45d
-	github.com/cosmos/iavl v0.15.0-rc1
+	github.com/cosmos/iavl v0.15.0-rc2
 	github.com/cosmos/ledger-cosmos-go v0.11.1
 	github.com/enigmampc/btcutil v1.0.3-0.20200723161021-e2fb6adb2a25
 	github.com/gogo/protobuf v1.3.1
diff --git a/go.sum b/go.sum
index 95c4fc39b..0e13eeba8 100644
--- a/go.sum
+++ b/go.sum
@@ -103,6 +103,8 @@ github.com/cosmos/go-bip39 v0.0.0-20180819234021-555e2067c45d h1:49RLWk1j44Xu4fj
 github.com/cosmos/go-bip39 v0.0.0-20180819234021-555e2067c45d/go.mod h1:tSxLoYXyBmiFeKpvmq4dzayMdCjCnu8uqmCysIGBT2Y=
 github.com/cosmos/iavl v0.15.0-rc1 h1:cYMPAxu5xpGPhGYvGlpeCmgmgH7oY+kebZm2oHfh2nE=
 github.com/cosmos/iavl v0.15.0-rc1/go.mod h1:qFTkoCC00sBKWCG3Ws8GAUaYR1jIOtwNZ9p8uFOu4Jo=
+github.com/cosmos/iavl v0.15.0-rc2 h1:4HI/LYLjWUnou8dehPD+NqEsDc8uamJOU2yHcqdTKv8=
+github.com/cosmos/iavl v0.15.0-rc2/go.mod h1:bXLXbwmww0kYtAYRCYNXR/k44lWaK8rIZJlCmqSK8lQ=
 github.com/cosmos/ledger-cosmos-go v0.11.1 h1:9JIYsGnXP613pb2vPjFeMMjBI5lEDsEaF6oYorTy6J4=
 github.com/cosmos/ledger-cosmos-go v0.11.1/go.mod h1:J8//BsAGTo3OC/vDLjMRFLW6q0WAaXvHnVc7ZmE8iUY=
 github.com/cosmos/ledger-go v0.9.2 h1:Nnao/dLwaVTk1Q5U9THldpUMMXU94BOTWPddSmVB6pI=
diff --git a/store/rootmulti/store_test.go b/store/rootmulti/store_test.go
index cb3cd44dd..1166adcc6 100644
--- a/store/rootmulti/store_test.go
+++ b/store/rootmulti/store_test.go
@@ -159,19 +159,6 @@ func TestMultistoreCommitLoad(t *testing.T) {
 	require.Nil(t, err)
 	commitID = getExpectedCommitID(store, ver)
 	checkStore(t, store, commitID, commitID)
-
-	// XXX: commit this older version
-	commitID = store.Commit()
-	expectedCommitID = getExpectedCommitID(store, ver+1)
-	checkStore(t, store, expectedCommitID, commitID)
-
-	// XXX: confirm old commit is overwritten and we have rolled back
-	// LatestVersion
-	store = newMultiStoreWithMounts(db, types.PruneDefault)
-	err = store.LoadLatestVersion()
-	require.Nil(t, err)
-	commitID = getExpectedCommitID(store, ver+1)
-	checkStore(t, store, commitID, commitID)
 }
 
 func TestMultistoreLoadWithUpgrade(t *testing.T) {
@@ -554,7 +541,6 @@ func newMultiStoreWithModifiedMounts(db dbm.DB, pruningOpts types.PruningOptions
 func checkStore(t *testing.T, store *Store, expect, got types.CommitID) {
 	require.Equal(t, expect, got)
 	require.Equal(t, expect, store.LastCommitID())
-
 }
 
 func checkContains(t testing.TB, info []types.StoreInfo, wanted []string) {