diff --git a/pkgs/applications/editors/vim/plugins/aliases.nix b/pkgs/applications/editors/vim/plugins/aliases.nix
index a68f24ea0653..d75ff27bfe7d 100644
--- a/pkgs/applications/editors/vim/plugins/aliases.nix
+++ b/pkgs/applications/editors/vim/plugins/aliases.nix
@@ -42,6 +42,7 @@ mapAliases (
     blueballs-neovim = throw "`blueballs-neovim` has been removed"; # added 2025-06-17
     BufOnly = BufOnly-vim;
     calendar = calendar-vim;
+    coc-rls = throw "coc-rls has been removed, as rls has been archived since 2022. You should use coc-rust-analyzer instead, as rust-analyzer is maintained."; # addedd 2025-10-01
     coffee-script = vim-coffee-script;
     coffeeScript = vim-coffee-script; # backwards compat, added 2014-10-18
     Solarized = vim-colors-solarized;
diff --git a/pkgs/applications/editors/vim/plugins/nodePackagePlugins.nix b/pkgs/applications/editors/vim/plugins/nodePackagePlugins.nix
index 819f91e56850..ac37feb3897e 100644
--- a/pkgs/applications/editors/vim/plugins/nodePackagePlugins.nix
+++ b/pkgs/applications/editors/vim/plugins/nodePackagePlugins.nix
@@ -25,7 +25,6 @@ let
     "coc-pairs"
     "coc-prettier"
     "coc-r-lsp"
-    "coc-rls"
     "coc-rust-analyzer"
     "coc-sh"
     "coc-smartf"
diff --git a/pkgs/development/node-packages/aliases.nix b/pkgs/development/node-packages/aliases.nix
index 0653607aa347..8ea746e2cdc6 100644
--- a/pkgs/development/node-packages/aliases.nix
+++ b/pkgs/development/node-packages/aliases.nix
@@ -78,6 +78,7 @@ mapAliases {
   inherit (pkgs) coc-pyright; # added 2024-07-14
   coc-metals = throw "coc-metals was removed because it was deprecated upstream. vimPlugins.nvim-metals is its official replacement."; # Added 2024-10-16
   coc-python = throw "coc-python was removed because it was abandoned upstream on 2020-12-24. Upstream now recommends using coc-pyright or coc-jedi instead."; # added 2024-10-15
+  coc-rls = throw "coc-rls was removed because rls was deprecated in 2022. You should use coc-rust-analyzer instead, as rust-analyzer is maintained."; # added 2025-10-01
   inherit (pkgs) coc-toml;
   coc-tslint = throw "coc-tslint was removed because it was deprecated upstream; coc-eslint offers comparable features for eslint, which replaced tslint"; # Added 2024-10-18
   coc-tslint-plugin = throw "coc-tslint-plugin was removed because it was deprecated upstream; coc-eslint offers comparable features for eslint, which replaced tslint"; # Added 2024-10-18
diff --git a/pkgs/development/node-packages/node-packages.json b/pkgs/development/node-packages/node-packages.json
index 3085573c84f0..1d3c6ac5970f 100644
--- a/pkgs/development/node-packages/node-packages.json
+++ b/pkgs/development/node-packages/node-packages.json
@@ -42,7 +42,6 @@
 , "coc-pairs"
 , "coc-prettier"
 , "coc-r-lsp"
-, "coc-rls"
 , "coc-rust-analyzer"
 , "coc-sh"
 , "coc-smartf"
diff --git a/pkgs/development/node-packages/node-packages.nix b/pkgs/development/node-packages/node-packages.nix
index 52e028faa67c..c5ffd207eb08 100644
--- a/pkgs/development/node-packages/node-packages.nix
+++ b/pkgs/development/node-packages/node-packages.nix
@@ -48600,24 +48600,6 @@ in
     bypassCache = true;
     reconstructLock = true;
   };
-  coc-rls = nodeEnv.buildNodePackage {
-    name = "coc-rls";
-    packageName = "coc-rls";
-    version = "1.1.6";
-    src = fetchurl {
-      url = "https://registry.npmjs.org/coc-rls/-/coc-rls-1.1.6.tgz";
-      sha512 = "/XUM5UjOtnVBHghxBtwHz6C2lWnWgF8kX2+uocc356c2Bn8msQa6mrN0lijhlpDlsomSMPkGpZiY4zS1tNakMw==";
-    };
-    buildInputs = globalBuildInputs;
-    meta = {
-      description = "Rust language support - code completion, Intellisense, refactoring, reformatting, errors, snippets. A client for the Rust Language Server, built by the RLS team";
-      homepage = "https://github.com/neoclide/coc-rls#readme";
-      license = "MIT";
-    };
-    production = true;
-    bypassCache = true;
-    reconstructLock = true;
-  };
   coc-rust-analyzer = nodeEnv.buildNodePackage {
     name = "coc-rust-analyzer";
     packageName = "coc-rust-analyzer";