diff --git a/docs/manual/release-notes/rl-0.9.md b/docs/manual/release-notes/rl-0.9.md
index 5801370e..b9e973c8 100644
--- a/docs/manual/release-notes/rl-0.9.md
+++ b/docs/manual/release-notes/rl-0.9.md
@@ -476,6 +476,7 @@ https://github.com/gorbit99/codewindow.nvim
 - Add Arduino support with [arduino-language-server].
 - Add GLSL support with [glsl_analyzer].
 - Update fidget-nvim setupOpts and fix NvimTree issue.
+- Remove invalid filetypes from bash lsp config (`ash` and `dash`).
 
 [itscrystalline](https://github.com/itscrystalline):
 
diff --git a/modules/plugins/languages/bash.nix b/modules/plugins/languages/bash.nix
index 6ae23d73..3cf91cb6 100644
--- a/modules/plugins/languages/bash.nix
+++ b/modules/plugins/languages/bash.nix
@@ -107,7 +107,7 @@ in {
       vim.lsp = {
         presets = genAttrs cfg.lsp.servers (_: {enable = true;});
         servers = genAttrs cfg.lsp.servers (_: {
-          filetypes = ["bash" "sh" "ash" "dash" "zsh"];
+          filetypes = ["bash" "sh" "zsh"];
         });
       };
     })