diff --git a/src/main.shy b/src/main.shy
index f16f1841..61854dee 100644
--- a/src/main.shy
+++ b/src/main.shy
@@ -43,8 +43,6 @@ field binpack web.code.binpack
 field modpack web.code.modpack
 
 chapter "理论"
-source usr/learning/自然/编程/数据结构.shy
-source usr/learning/自然/编程/设计模式.shy
 
 chapter "ssh"
 refer `