diff --git a/pkgs/applications/editors/vim/plugins/aliases.nix b/pkgs/applications/editors/vim/plugins/aliases.nix
index 8a5ec6b533fe..d3099a3b5b51 100644
--- a/pkgs/applications/editors/vim/plugins/aliases.nix
+++ b/pkgs/applications/editors/vim/plugins/aliases.nix
@@ -73,7 +73,7 @@ mapAliases (
     easymotion = vim-easymotion;
     echodoc = echodoc-vim;
     eighties = vim-eighties;
-    ethersync = teamtype;
+    ethersync = lib.warnOnInstantiate "'ethersync' has been renamed to 'teamtype'" teamtype; # Added 2025-10-31
     extradite = vim-extradite;
     feline-nvim = throw "feline.nvim has been removed: upstream deleted repository. Consider using lualine"; # Added 2025-02-09
     fugitive = vim-fugitive;
diff --git a/pkgs/top-level/aliases.nix b/pkgs/top-level/aliases.nix
index 843dfc5fb3d7..959e6f085849 100644
--- a/pkgs/top-level/aliases.nix
+++ b/pkgs/top-level/aliases.nix
@@ -532,7 +532,7 @@ mapAliases {
   eris-go = throw "'eris-go' has been removed due to a hostile upstream moving tags and breaking src FODs"; # Added 2025-09-01
   eriscmd = throw "'eriscmd' has been removed due to a hostile upstream moving tags and breaking src FODs"; # Added 2025-09-01
   erlang-ls = throw "'erlang-ls' has been removed as it has been archived upstream. Consider using 'erlang-language-platform' instead"; # Added 2025-10-02
-  ethersync = teamtype; # Added 2025-10-31
+  ethersync = warnAlias "'ethersync' has been renamed to 'teamtype'" teamtype; # Added 2025-10-31
   eww-wayland = throw "'eww-wayland' has been renamed to/replaced by 'eww'"; # Converted to throw 2025-10-27
   f3d_egl = warnAlias "'f3d' now build with egl support by default, so `f3d_egl` is deprecated, consider using 'f3d' instead." f3d; # added 2025-07-18
   fastnlo_toolkit = throw "'fastnlo_toolkit' has been renamed to/replaced by 'fastnlo-toolkit'"; # Converted to throw 2025-10-27