diff --git a/src/main/frontend/components/block.cljs b/src/main/frontend/components/block.cljs
index a537a59482..cb4fcf1995 100644
--- a/src/main/frontend/components/block.cljs
+++ b/src/main/frontend/components/block.cljs
@@ -2588,12 +2588,7 @@
 
        (task-spent-time-cp block)]
 
-      (block-content-inner config block ast-body plugin-slotted? collapsed? block-ref-with-title?)
-
-      (case (:block/warning block)
-        :multiple-blocks
-        [:p.warning.text-sm "Full content is not displayed, Logseq doesn't support multiple unordered lists or headings in a block."]
-        nil)]]))
+      (block-content-inner config block ast-body plugin-slotted? collapsed? block-ref-with-title?)]]))
 
 (rum/defc block-refs-count < rum/static
   [block block-refs-count' *hide-block-refs?]
@@ -3708,7 +3703,10 @@
       ["Horizontal_Rule"]
       [:hr]
       ["Heading" h]
-      (block-container config h)
+      (let [{:keys [title]} h]
+        (->elem :div
+                (cons [:span "- "]
+                      (map-inline config title))))
       ["List" l]
       (let [lists (divide-lists l)]
         (if (= 1 (count lists))
diff --git a/src/main/frontend/format/block.cljs b/src/main/frontend/format/block.cljs
index df2ce40296..b5c07a76a7 100644
--- a/src/main/frontend/format/block.cljs
+++ b/src/main/frontend/format/block.cljs
@@ -57,8 +57,6 @@ and handles unexpected failure."
                      (extract-blocks ast title format {})))
           new-block (first blocks)
           block (cond-> (merge block new-block)
-                  (> (count blocks) 1)
-                  (assoc :block/warning :multiple-blocks)
                   true
                   (dissoc :block/format))
           block (dissoc block :block.temp/ast-body :block/level)]
diff --git a/src/main/frontend/worker/db/validate.cljs b/src/main/frontend/worker/db/validate.cljs
index d668ac7afa..50094abfb7 100644
--- a/src/main/frontend/worker/db/validate.cljs
+++ b/src/main/frontend/worker/db/validate.cljs
@@ -50,8 +50,6 @@
                            [[:db/retract (:db/id entity) :block/parent]]
                            (:block/format entity)
                            [[:db/retract (:db/id entity) :block/format]]
-                           (:block/warning entity)
-                           [[:db/retract (:db/id entity) :block/warning]]
                            (= :whiteboard-shape (:logseq.property/ls-type entity))
                            [[:db/retractEntity (:db/id entity)]]
                            (and (:block/page entity) (not (:block/parent entity)))