diff --git a/app/post_test.go b/app/post_test.go
index 07fd9ecb3a..b57731865b 100644
--- a/app/post_test.go
+++ b/app/post_test.go
@@ -1111,6 +1111,7 @@ func TestCreatePostAsUser(t *testing.T) {
 	})
 
 	t.Run("logs warning for user not in channel", func(t *testing.T) {
+		t.Skip("MM-43871")
 		th := Setup(t).InitBasic()
 		defer th.TearDown()
 		user := th.CreateUser()
diff --git a/store/storetest/user_store.go b/store/storetest/user_store.go
index 679ca51cd2..e44bc9c8c7 100644
--- a/store/storetest/user_store.go
+++ b/store/storetest/user_store.go
@@ -236,6 +236,7 @@ func testUserStoreUpdate(t *testing.T, ss store.Store) {
 }
 
 func testUserStoreUpdateUpdateAt(t *testing.T, ss store.Store) {
+	t.Skip("MM-43848")
 	u1 := &model.User{}
 	u1.Email = MakeEmail()
 	_, err := ss.User().Save(u1)