diff --git a/test/tarayo/mail/mime/message_test.clj b/test/tarayo/mail/mime/message_test.clj
index f03d209..1665489 100644
--- a/test/tarayo/mail/mime/message_test.clj
+++ b/test/tarayo/mail/mime/message_test.clj
@@ -28,7 +28,8 @@
         (.saveChanges msg)
         (t/is (= "foo" (.getMessageID msg)))))))
 
-(defn- ^MimeMessage gen-test-message
+(defn- gen-test-message
+  ^MimeMessage
   []
   (let [{:keys [session]} (h/test-connection)
         ^Calendar cal (doto (Calendar/getInstance)
diff --git a/test/tarayo/test_helper.clj b/test/tarayo/test_helper.clj
index 072d3d8..90b5fb0 100644
--- a/test/tarayo/test_helper.clj
+++ b/test/tarayo/test_helper.clj
@@ -61,7 +61,8 @@
     (tarayo-user-agent?  (first x))
     (some?  (re-seq #"^tarayo/.+$" x))))
 
-(defn ^SMTPTransport test-transport
+(defn test-transport
+  ^SMTPTransport
   []
   (proxy [SMTPTransport] [(session/make-session) (jakarta.mail.URLName. "localhost")]
     (connect