diff --git a/AIStudyApp/AIStudyAppTests/MaterialDetailViewModelTests.swift b/AIStudyApp/AIStudyAppTests/MaterialDetailViewModelTests.swift
index 127f936..d8111c3 100644
--- a/AIStudyApp/AIStudyAppTests/MaterialDetailViewModelTests.swift
+++ b/AIStudyApp/AIStudyAppTests/MaterialDetailViewModelTests.swift
@@ -145,22 +145,4 @@ final class MaterialDetailViewModelTests: XCTestCase {
         XCTAssertNil(vm2.readingStatus)
     }
 
-    // MARK: - statusLabel
-
-    func test_statusLabel() {
-        let view = MaterialDetailView(knowledgeBaseId: "k", fileName: "f", fileType: .markdown, fileSize: 0, filePath: "")
-        XCTAssertEqual(view.statusLabel("completed"), "阅读完成")
-        XCTAssertEqual(view.statusLabel("in_progress"), "阅读中")
-        XCTAssertEqual(view.statusLabel("other"), "已开始")
-        XCTAssertEqual(view.statusLabel(nil), "已开始")
-    }
-
-    // MARK: - formatSeconds
-
-    func test_formatSeconds() {
-        let view = MaterialDetailView(knowledgeBaseId: "k", fileName: "f", fileType: .markdown, fileSize: 0, filePath: "")
-        XCTAssertEqual(view.formatSeconds(30), "30 秒")
-        XCTAssertEqual(view.formatSeconds(120), "2 分钟")
-        XCTAssertEqual(view.formatSeconds(3660), "1 小时 1 分钟")
-    }
 }