diff --git a/app/test_helpers.go b/app/test_helpers.go
index 8c3e8c11e5..c48425f6ba 100644
--- a/app/test_helpers.go
+++ b/app/test_helpers.go
@@ -59,10 +59,12 @@ func setup(t testing.TB, withGenesis bool, invCheckPeriod uint, opts ...wasm.Opt
 	snapshotDir := filepath.Join(nodeHome, "data", "snapshots")
 	snapshotDB, err := sdk.NewLevelDB("metadata", snapshotDir)
 	require.NoError(t, err)
+	t.Cleanup(func() { snapshotDB.Close() })
 	snapshotStore, err := snapshots.NewStore(snapshotDB, snapshotDir)
 	require.NoError(t, err)
 	baseAppOpts := []func(*bam.BaseApp){bam.SetSnapshotStore(snapshotStore), bam.SetSnapshotKeepRecent(2)}
 	db := dbm.NewMemDB()
+	t.Cleanup(func() { db.Close() })
 	app := NewWasmApp(log.NewNopLogger(), db, nil, true, map[int64]bool{}, nodeHome, invCheckPeriod, MakeEncodingConfig(), wasm.EnableAllProposals, EmptyBaseAppOptions{}, opts, baseAppOpts...)
 	if withGenesis {
 		return app, NewDefaultGenesisState()