diff --git a/docs/user_guide.md b/docs/user_guide.md
index b8527bca..a86ce5e9 100644
--- a/docs/user_guide.md
+++ b/docs/user_guide.md
@@ -17,6 +17,5 @@ To customize plugins, treesitter parsers, LSP servers, and other settings, pleas
 
 - [Plugin Management](/user_guide/plugin_management.md)
 - [Treesitter Parser Management](/user_guide/treesitter_parser_management.md)
-- [Code-Complete Sources Management](/user_guide/code_complete_sources_management.md)
 - [LSP Server Management](/user_guide/lsp_server_management.md)
 - [Pre/Post Hooks](/user_guide/pre_post_hooks.md)
diff --git a/docs/user_guide/code_complete_sources_management.md b/docs/user_guide/code_complete_sources_management.md
deleted file mode 100644
index 6aaaa25e..00000000
--- a/docs/user_guide/code_complete_sources_management.md
+++ /dev/null
@@ -1,8 +0,0 @@
-# Code-Complete Sources Management
-
-- [nvim-cmp](https://github.com/hrsh7th/nvim-cmp): Auto-complete engine, it collects data sources from other extensions, then provides suggestions when user typing. Note: This plugin is mostly related to auto-complete, in this section we're not going to discuss a lot about it.
-  - [cmp-nvim-lsp](https://github.com/hrsh7th/cmp-nvim-lsp): collect from lsp servers.
-  - [cmp-buffer](https://github.com/hrsh7th/cmp-buffer): collect from vim buffers.
-  - [cmp-async-path](https://github.com/FelipeLema/cmp-async-path): collect from filesystem path.
-  - [cmp-cmdline](https://github.com/hrsh7th/cmp-cmdline): collect from vim command-line.
-  - [LuaSnip](https://github.com/L3MON4D3/LuaSnip) and [cmp_luasnip](https://github.com/saadparwaiz1/cmp_luasnip): collect from snippet.