diff --git a/src/utils/tldraw/cc-base/cc-graph/cc-graph-shapes.ts b/src/utils/tldraw/cc-base/cc-graph/cc-graph-shapes.ts
index de3afda..9442eac 100644
--- a/src/utils/tldraw/cc-base/cc-graph/cc-graph-shapes.ts
+++ b/src/utils/tldraw/cc-base/cc-graph/cc-graph-shapes.ts
@@ -35,7 +35,6 @@ import { CCTimetableLessonNodeShape, CCTimetableLessonNodeShapeUtil } from './CC
 import { CCPlannedLessonNodeShape, CCPlannedLessonNodeShapeUtil } from './CCPlannedLessonNodeShapeUtil'
 import { CCDepartmentStructureNodeShape, CCDepartmentStructureNodeShapeUtil } from './CCDepartmentStructureNodeShapeUtil'
 import { CCUserTeacherTimetableNodeShape, CCUserTeacherTimetableNodeShapeUtil } from './CCUserTeacherTimetableNodeShapeUtil'
-import { CCTimetableLessonNodeShape, CCTimetableLessonNodeShapeUtil } from './CCTimetableLessonNodeShapeUtil'
 
 // Create a const object with all node types
 export const NODE_SHAPE_TYPES = {
@@ -82,7 +81,7 @@ export const NODE_SHAPE_TYPES = {
 export type NodeShapeType = typeof NODE_SHAPE_TYPES[keyof typeof NODE_SHAPE_TYPES];
 
 // Define AllNodeShapes as a union type of all shape types
-export type AllNodeShapes = 
+export type AllNodeShapes =
     | CCUserNodeShape
     | CCTeacherNodeShape
     | CCStudentNodeShape
@@ -118,8 +117,7 @@ export type AllNodeShapes =
     | CCTimetableLessonNodeShape
     | CCPlannedLessonNodeShape
     | CCDepartmentStructureNodeShape
-    | CCUserTeacherTimetableNodeShape
-    | CCTimetableLessonNodeShape;
+    | CCUserTeacherTimetableNodeShape;
 
 // Export all shape utils in an object for easy access
 export const ShapeUtils = {
@@ -159,17 +157,16 @@ export const ShapeUtils = {
     [CCPlannedLessonNodeShapeUtil.type]: CCPlannedLessonNodeShapeUtil,
     [CCDepartmentStructureNodeShapeUtil.type]: CCDepartmentStructureNodeShapeUtil,
     [CCUserTeacherTimetableNodeShapeUtil.type]: CCUserTeacherTimetableNodeShapeUtil,
-    [CCTimetableLessonNodeShapeUtil.type]: CCTimetableLessonNodeShapeUtil,
 } as const;
 
 // Add a type guard to check if a shape is a valid node shape
 export const isValidNodeShape = (shape: TLShape): shape is AllNodeShapes => {
-    return shape && 
-           typeof shape.type === 'string' && 
+    return shape &&
+           typeof shape.type === 'string' &&
            Object.values(NODE_SHAPE_TYPES).includes(shape.type as NodeShapeType);
 };
 
 // Add a type guard to check if a type string is a valid node type
 export const isValidNodeType = (type: string): type is NodeShapeType => {
     return Object.values(NODE_SHAPE_TYPES).includes(type as NodeShapeType);
-}; 
\ No newline at end of file
+};