diff --git a/appview/auth/auth.go b/appview/auth/auth.go
index 8a2bd596..05d0e4b3 100644
--- a/appview/auth/auth.go
+++ b/appview/auth/auth.go
@@ -145,7 +145,7 @@ func (a *Auth) StoreSession(r *http.Request, w http.ResponseWriter, atSessionish
 	clientSession.Values[appview.SessionPds] = pdsEndpoint
 	clientSession.Values[appview.SessionAccessJwt] = atSessionish.GetAccessJwt()
 	clientSession.Values[appview.SessionRefreshJwt] = atSessionish.GetRefreshJwt()
-	clientSession.Values[appview.SessionExpiry] = time.Now().Add(time.Hour).Format(appview.TimeLayout)
+	clientSession.Values[appview.SessionExpiry] = time.Now().Add(time.Hour).Format(time.RFC3339)
 	clientSession.Values[appview.SessionAuthenticated] = true
 	return clientSession.Save(r, w)
 }
diff --git a/appview/consts.go b/appview/consts.go
index 15d99021..594ec549 100644
--- a/appview/consts.go
+++ b/appview/consts.go
@@ -10,6 +10,5 @@ const (
 	SessionRefreshJwt    = "refreshJwt"
 	SessionExpiry        = "expiry"
 	SessionAuthenticated = "authenticated"
-	TimeLayout           = "2006-01-02 15:04:05.999999999 -0700 MST"
 	SqliteDbPath         = "appview.db"
 )
diff --git a/appview/state/middleware.go b/appview/state/middleware.go
index ddfe981a..daa3914f 100644
--- a/appview/state/middleware.go
+++ b/appview/state/middleware.go
@@ -28,7 +28,7 @@ func AuthMiddleware(s *State) Middleware {
 			// refresh if nearing expiry
 			// TODO: dedup with /login
 			expiryStr := session.Values[appview.SessionExpiry].(string)
-			expiry, err := time.Parse(appview.TimeLayout, expiryStr)
+			expiry, err := time.Parse(time.RFC3339, expiryStr)
 			if err != nil {
 				log.Println("invalid expiry time", err)
 				return
diff --git a/appview/state/state.go b/appview/state/state.go
index 60ef2b7b..f1d7102f 100644
--- a/appview/state/state.go
+++ b/appview/state/state.go
@@ -16,7 +16,6 @@ import (
 	lexutil "github.com/bluesky-social/indigo/lex/util"
 	"github.com/gliderlabs/ssh"
 	"github.com/go-chi/chi/v5"
-	"github.com/google/uuid"
 	tangled "github.com/sotangled/tangled/api/tangled"
 	"github.com/sotangled/tangled/appview"
 	"github.com/sotangled/tangled/appview/auth"