diff --git a/apps/server/src/modules/copy-helper/dto/copy.response.ts b/apps/server/src/modules/copy-helper/dto/copy.response.ts
index d3fbb33c8da..549dcac7014 100644
--- a/apps/server/src/modules/copy-helper/dto/copy.response.ts
+++ b/apps/server/src/modules/copy-helper/dto/copy.response.ts
@@ -45,11 +45,4 @@ export class CopyApiResponse {
 		description: 'List of included sub elements with recursive type structure',
 	})
 	elements?: CopyApiResponse[];
-
-	@ApiPropertyOptional({
-		isArray: true,
-		enum: CopyElementType,
-		description: 'Array with listed types of all sub elements',
-	})
-	elementsTypes?: CopyElementType[];
 }
diff --git a/apps/server/src/modules/copy-helper/mapper/copy.mapper.ts b/apps/server/src/modules/copy-helper/mapper/copy.mapper.ts
index 0e65613fa8f..581e33161bd 100644
--- a/apps/server/src/modules/copy-helper/mapper/copy.mapper.ts
+++ b/apps/server/src/modules/copy-helper/mapper/copy.mapper.ts
@@ -5,7 +5,7 @@ import { TaskCopyParentParams } from '@modules/task/types';
 import { LessonEntity, Task } from '@shared/domain/entity';
 import { EntityId } from '@shared/domain/types';
 import { CopyApiResponse } from '../dto/copy.response';
-import { CopyElementType, CopyStatus, CopyStatusEnum } from '../types/copy.types';
+import { CopyStatus, CopyStatusEnum } from '../types/copy.types';
 
 export class CopyMapper {
 	static mapToResponse(copyStatus: CopyStatus): CopyApiResponse {
@@ -46,19 +46,4 @@ export class CopyMapper {
 
 		return dto;
 	}
-
-	static mapElementsToTypes(element: CopyStatus, types: CopyElementType[] = []): CopyElementType[] {
-		const indexOfFound = types.indexOf(element.type);
-		if (indexOfFound === -1) {
-			types.push(element.type);
-		}
-
-		if (element.elements) {
-			element.elements.forEach((child) => {
-				this.mapElementsToTypes(child, types);
-			});
-		}
-
-		return types;
-	}
 }
diff --git a/apps/server/src/modules/copy-helper/service/copy-helper.service.spec.ts b/apps/server/src/modules/copy-helper/service/copy-helper.service.spec.ts
index fb44adb6e64..27276237119 100644
--- a/apps/server/src/modules/copy-helper/service/copy-helper.service.spec.ts
+++ b/apps/server/src/modules/copy-helper/service/copy-helper.service.spec.ts
@@ -124,6 +124,7 @@ describe('copy helper service', () => {
 
 				expect(derivedStatus).toEqual(CopyStatusEnum.FAIL);
 			});
+
 			it('should return fail if the last and only nested child is FAIL ', () => {
 				const element = createNestedStates([
 					CopyStatusEnum.SUCCESS,
diff --git a/apps/server/src/modules/learnroom/controller/rooms.controller.ts b/apps/server/src/modules/learnroom/controller/rooms.controller.ts
index 7caa9149d87..7e73104e0d1 100644
--- a/apps/server/src/modules/learnroom/controller/rooms.controller.ts
+++ b/apps/server/src/modules/learnroom/controller/rooms.controller.ts
@@ -69,7 +69,6 @@ export class RoomsController {
 	): Promise<CopyApiResponse> {
 		const copyStatus = await this.courseCopyUc.copyCourse(currentUser.userId, urlParams.roomId);
 		const dto = CopyMapper.mapToResponse(copyStatus);
-		dto.elementsTypes = CopyMapper.mapElementsToTypes(copyStatus);
 		return dto;
 	}