diff --git a/app/src/protyle/util/heading.ts b/app/src/protyle/util/heading.ts
index 90818de2e..283e26423 100644
--- a/app/src/protyle/util/heading.ts
+++ b/app/src/protyle/util/heading.ts
@@ -2,30 +2,14 @@ export const removeFoldHeading = (nodeElement: Element) => {
     const nodeH = parseInt(nodeElement.getAttribute("data-subtype").substr(1));
     let nextElement = nodeElement.nextElementSibling;
     while (nextElement) {
-        if (nextElement.classList.contains("sb")) {
-            let nextFirstElement = nextElement.firstElementChild;
-            while (nextFirstElement && nextFirstElement.classList.contains("sb")) {
-                nextFirstElement = nextFirstElement.firstElementChild;
-            }
-            if ((nextFirstElement.getAttribute("data-type") === "NodeHeading" &&
-                    parseInt(nextFirstElement.getAttribute("data-subtype").substr(1)) > nodeH) ||
-                nextFirstElement.getAttribute("data-type") !== "NodeHeading") {
-                const tempElement = nextElement;
-                nextElement = nextElement.nextElementSibling;
-                tempElement.remove();
-            } else {
-                break;
-            }
+        const currentH = parseInt(nextElement.getAttribute("data-subtype")?.substr(1));
+        if (!nextElement.classList.contains("protyle-attr") && // 超级块末尾为属性
+            (isNaN(currentH) || currentH > nodeH)) {
+            const tempElement = nextElement;
+            nextElement = nextElement.nextElementSibling;
+            tempElement.remove();
         } else {
-            const currentH = parseInt(nextElement.getAttribute("data-subtype")?.substr(1));
-            if (!nextElement.classList.contains("protyle-attr") && // 超级块末尾为属性
-                (isNaN(currentH) || currentH > nodeH)) {
-                const tempElement = nextElement;
-                nextElement = nextElement.nextElementSibling;
-                tempElement.remove();
-            } else {
-                break;
-            }
+            break;
         }
     }
 };
diff --git a/kernel/model/file.go b/kernel/model/file.go
index 6b365caaf..3f1246370 100644
--- a/kernel/model/file.go
+++ b/kernel/model/file.go
@@ -848,12 +848,6 @@ func loadNodesByMode(node *ast.Node, inputIndex, mode, size int, isDoc, isHeadin
 					if n.HeadingLevel <= level {
 						break
 					}
-				} else if ast.NodeSuperBlock == n.Type {
-					if h := treenode.SuperBlockHeading(n); nil != h {
-						if level >= h.HeadingLevel {
-							break
-						}
-					}
 				}
 				nodes = append(nodes, n)
 				count++
diff --git a/kernel/model/heading.go b/kernel/model/heading.go
index c42233230..f521e7f5a 100644
--- a/kernel/model/heading.go
+++ b/kernel/model/heading.go
@@ -46,11 +46,14 @@ func (tx *Transaction) doFoldHeading(operation *Operation) (ret *TxErr) {
 		return &TxErr{code: TxErrCodeBlockNotFound, id: headingID}
 	}
 
-	children := treenode.HeadingChildren4Folding(heading)
+	children := treenode.HeadingChildren(heading)
 	for _, child := range children {
 		childrenIDs = append(childrenIDs, child.ID)
-		child.SetIALAttr("fold", "1")
-		child.SetIALAttr("heading-fold", "1")
+		ast.Walk(child, func(n *ast.Node, entering bool) ast.WalkStatus {
+			n.SetIALAttr("fold", "1")
+			n.SetIALAttr("heading-fold", "1")
+			return ast.WalkContinue
+		})
 	}
 	heading.SetIALAttr("fold", "1")
 	if err = tx.writeTree(tree); nil != err {
@@ -80,10 +83,13 @@ func (tx *Transaction) doUnfoldHeading(operation *Operation) (ret *TxErr) {
 		return &TxErr{code: TxErrCodeBlockNotFound, id: headingID}
 	}
 
-	children := treenode.HeadingChildren4Folding(heading)
+	children := treenode.HeadingChildren(heading)
 	for _, child := range children {
-		child.RemoveIALAttr("heading-fold")
-		child.RemoveIALAttr("fold")
+		ast.Walk(child, func(n *ast.Node, entering bool) ast.WalkStatus {
+			n.RemoveIALAttr("heading-fold")
+			n.RemoveIALAttr("fold")
+			return ast.WalkContinue
+		})
 	}
 	heading.RemoveIALAttr("fold")
 	heading.RemoveIALAttr("heading-fold")
diff --git a/kernel/sql/database.go b/kernel/sql/database.go
index 8d8e0a6b9..86afea674 100644
--- a/kernel/sql/database.go
+++ b/kernel/sql/database.go
@@ -881,12 +881,6 @@ func heading(node *ast.Node) *ast.Node {
 	currentLevel := 16
 	if ast.NodeHeading == node.Type {
 		currentLevel = node.HeadingLevel
-	} else if ast.NodeSuperBlock == node.Type {
-		superBlockHeading := treenode.SuperBlockHeading(node)
-		if nil != superBlockHeading {
-			node = superBlockHeading
-			currentLevel = node.HeadingLevel
-		}
 	}
 
 	for prev := node.Previous; nil != prev; prev = prev.Previous {
diff --git a/kernel/treenode/heading.go b/kernel/treenode/heading.go
index 95b6e53be..78316fc44 100644
--- a/kernel/treenode/heading.go
+++ b/kernel/treenode/heading.go
@@ -62,20 +62,6 @@ func IsInFoldedHeading(node, currentHeading *ast.Node) bool {
 		return false
 	}
 
-	if ast.NodeSuperBlock == node.Type {
-		// The super block below the folded heading contains headings of the same level and cannot be loaded https://github.com/siyuan-note/siyuan/issues/9162
-		if nil == currentHeading {
-			return false
-		}
-
-		sbChildHeading := SuperBlockHeading(node)
-		if nil != sbChildHeading {
-			if sbChildHeading.HeadingLevel <= currentHeading.HeadingLevel {
-				return false
-			}
-		}
-	}
-
 	heading := HeadingParent(node)
 	if nil == heading {
 		return false
@@ -99,39 +85,6 @@ func GetHeadingFold(nodes []*ast.Node) (ret []*ast.Node) {
 	return
 }
 
-// HeadingChildren4Folding 获取标题下方所属该标题层级的所有节点，如果遇到超级块的话则递归获取超级块下方的所有节点。
-// 折叠和取消折叠要用这个函数单独处理 https://github.com/siyuan-note/siyuan/issues/9435
-func HeadingChildren4Folding(heading *ast.Node) (ret []*ast.Node) {
-	start := heading.Next
-	if nil == start {
-		return
-	}
-	if ast.NodeKramdownBlockIAL == start.Type {
-		start = start.Next // 跳过 heading 的 IAL
-	}
-
-	currentLevel := heading.HeadingLevel
-	for n := start; nil != n; n = n.Next {
-		if ast.NodeHeading == n.Type {
-			if currentLevel >= n.HeadingLevel {
-				break
-			}
-		} else if ast.NodeSuperBlock == n.Type {
-			ast.Walk(n, func(child *ast.Node, entering bool) ast.WalkStatus {
-				if !entering || !child.IsBlock() {
-					return ast.WalkContinue
-				}
-
-				ret = append(ret, child)
-				return ast.WalkContinue
-			})
-			continue
-		}
-		ret = append(ret, n)
-	}
-	return
-}
-
 func HeadingChildren(heading *ast.Node) (ret []*ast.Node) {
 	start := heading.Next
 	if nil == start {
@@ -147,36 +100,12 @@ func HeadingChildren(heading *ast.Node) (ret []*ast.Node) {
 			if currentLevel >= n.HeadingLevel {
 				break
 			}
-		} else if ast.NodeSuperBlock == n.Type {
-			if h := SuperBlockHeading(n); nil != h {
-				if currentLevel >= h.HeadingLevel {
-					break
-				}
-			}
-		} else if ast.NodeSuperBlockCloseMarker == n.Type {
-			continue
 		}
 		ret = append(ret, n)
 	}
 	return
 }
 
-func SuperBlockHeading(sb *ast.Node) *ast.Node {
-	c := sb.FirstChild.Next.Next
-	if nil == c {
-		return nil
-	}
-
-	if ast.NodeHeading == c.Type {
-		return c
-	}
-
-	if ast.NodeSuperBlock == c.Type {
-		return SuperBlockHeading(c)
-	}
-	return nil
-}
-
 func SuperBlockLastHeading(sb *ast.Node) *ast.Node {
 	headings := sb.ChildrenByType(ast.NodeHeading)
 	if 0 < len(headings) {