diff --git a/memento-note/components/tiptap-callout-extension.tsx b/memento-note/components/tiptap-callout-extension.tsx
index 056ee35..f85ce99 100644
--- a/memento-note/components/tiptap-callout-extension.tsx
+++ b/memento-note/components/tiptap-callout-extension.tsx
@@ -163,16 +163,6 @@ export const CalloutExtension = Node.create({
   addNodeView() {
     return ReactNodeViewRenderer(CalloutView)
   },
-
-  addKeyboardShortcuts() {
-    return {
-      'Mod-Alt-C': () => this.editor.commands.insertContent({
-        type: this.name,
-        attrs: { type: 'info' },
-        content: [{ type: 'paragraph' }],
-      }),
-    }
-  },
 })
 
 export function insertCalloutBlock(editor: any, type: CalloutType = 'info') {
diff --git a/memento-note/components/tiptap-columns-extension.tsx b/memento-note/components/tiptap-columns-extension.tsx
index 4730556..c2b099a 100644
--- a/memento-note/components/tiptap-columns-extension.tsx
+++ b/memento-note/components/tiptap-columns-extension.tsx
@@ -83,19 +83,6 @@ export const ColumnsExtension = Node.create({
       },
     }
   },
-
-  addKeyboardShortcuts() {
-    return {
-      'Mod-Alt-L': () => this.editor.commands.insertContent({
-        type: this.name,
-        attrs: { cols: 2 },
-        content: [
-          { type: 'column', attrs: { index: 0 }, content: [{ type: 'paragraph' }] },
-          { type: 'column', attrs: { index: 1 }, content: [{ type: 'paragraph' }] },
-        ],
-      }),
-    }
-  },
 })
 
 function addOrDeleteCol(state: EditorState, dispatch?: (tr: Transaction) => void, type?: 'addBefore' | 'addAfter' | 'delete'): boolean {
diff --git a/memento-note/components/tiptap-math-extension.tsx b/memento-note/components/tiptap-math-extension.tsx
index 1568b11..7a488c2 100644
--- a/memento-note/components/tiptap-math-extension.tsx
+++ b/memento-note/components/tiptap-math-extension.tsx
@@ -295,14 +295,7 @@ export const MathEquationExtension = Node.create({
       },
     ]
   },
-
-  addKeyboardShortcuts() {
-    return {
-      'Mod-Shift-M': () => this.editor.commands.insertContent({
-        type: this.name,
-        attrs: { latex: '' },
-      }),
-    }
+})
   },
 })
 
diff --git a/memento-note/components/tiptap-outline-extension.tsx b/memento-note/components/tiptap-outline-extension.tsx
index 8afb00e..6ba297f 100644
--- a/memento-note/components/tiptap-outline-extension.tsx
+++ b/memento-note/components/tiptap-outline-extension.tsx
@@ -134,14 +134,6 @@ export const OutlineExtension = Node.create({
   addNodeView() {
     return ReactNodeViewRenderer(OutlineView)
   },
-
-  addKeyboardShortcuts() {
-    return {
-      'Mod-Alt-O': () => this.editor.commands.insertContent({
-        type: this.name,
-      }),
-    }
-  },
 })
 
 export function insertOutlineBlock(editor: any) {
diff --git a/memento-note/components/tiptap-toggle-extension.tsx b/memento-note/components/tiptap-toggle-extension.tsx
index e419f53..6093853 100644
--- a/memento-note/components/tiptap-toggle-extension.tsx
+++ b/memento-note/components/tiptap-toggle-extension.tsx
@@ -130,16 +130,6 @@ export const ToggleExtension = Node.create({
   addNodeView() {
     return ReactNodeViewRenderer(ToggleView)
   },
-
-  addKeyboardShortcuts() {
-    return {
-      'Mod-Shift-T': () => this.editor.commands.insertContent({
-        type: this.name,
-        attrs: { opened: true },
-        content: [{ type: 'paragraph' }],
-      }),
-    }
-  },
 })
 
 export function insertToggleBlock(editor: any) {