diff --git a/en/device-dev/kernel/kernel-lite-mini.md b/en/device-dev/kernel/kernel-lite-mini.md
deleted file mode 100644
index c1bba9a66cf318508c21ddc058b81ea9d74bf26b..0000000000000000000000000000000000000000
--- a/en/device-dev/kernel/kernel-lite-mini.md
+++ /dev/null
@@ -1,13 +0,0 @@
-# Kernel for Mini Systems<a name="EN-US_TOPIC_0000001124663064"></a>
-
--   **[Kernel Overview](kernel-mini-overview.md)**  
-
--   **[Basic Kernel](kernel-mini-basic.md)**  
-
--   **[Extension Components](kernel-mini-extend.md)**  
-
--   **[Kernel Debugging](kernel-memory-inner.md)**  
-
--   **[Appendix](kernel-mini-app.md)**  
-
-
diff --git a/en/device-dev/kernel/kernel-lite-small.md b/en/device-dev/kernel/kernel-lite-small.md
deleted file mode 100644
index c742df10d58bbb358e29957b613433b800238219..0000000000000000000000000000000000000000
--- a/en/device-dev/kernel/kernel-lite-small.md
+++ /dev/null
@@ -1,15 +0,0 @@
-# Kernel for Small Systems<a name="EN-US_TOPIC_0000001171191693"></a>
-
--   **[Kernel Overview](kernel-small-overview.md)**  
-
--   **[Kernel Startup](kernel-small-start.md)**  
-
--   **[Basic Kernel](kernel-small-basics.md)**  
-
--   **[Extension Components](kernel-small-bundles.md)**  
-
--   **[Debugging and Tools](kernel-small-debug.md)**  
-
--   **[Appendix](kernel-small-apx.md)**  
-
-
diff --git a/en/device-dev/kernel/kernel-lite.md b/en/device-dev/kernel/kernel-lite.md
deleted file mode 100644
index 78ab36575118374840a0211296b1ebf9b6bf83e9..0000000000000000000000000000000000000000
--- a/en/device-dev/kernel/kernel-lite.md
+++ /dev/null
@@ -1,7 +0,0 @@
-# Kernel for Mini and Small Systems<a name="EN-US_TOPIC_0000001157479401"></a>
-
--   **[Kernel for Mini Systems](kernel-lite-mini.md)**  
-
--   **[Kernel for Small Systems](kernel-lite-small.md)**  
-
-