diff --git a/sidebars.ts b/sidebars.ts
index bbd98c1d..a941eda6 100644
--- a/sidebars.ts
+++ b/sidebars.ts
@@ -23,9 +23,6 @@ const sidebars: SidebarsConfig = {
       },
       items: [
         { type: "doc", id: "quick-start/intro-to-aelf-development/index" },
-        { type: "doc", id: "quick-start/hello-world/index" },
-        { type: "doc", id: "quick-start/lottery-game/index" },
-        { type: "doc", id: "quick-start/vote-contract/index" },
         {
           type: "category",
           label: "Become a Node Operator",
@@ -43,15 +40,7 @@ const sidebars: SidebarsConfig = {
             },
           ],
         },
-        {
-          type: "doc",
-          id: "quick-start/explore-running-aelf-side-chain/index",
-        },
-        { type: "doc", id: "quick-start/run-a-side-chain/index" },
-        {
-          type: "doc",
-          id: "quick-start/start-and-run-a-node-on-aelf-locally-or-on-cloud/index",
-        },
+        { type: "doc", id: "quick-start/explore-running-aelf-side-chain/index" },
       ],
     },
   ],