diff --git a/pkgs/top-level/aliases.nix b/pkgs/top-level/aliases.nix
index d171f0d5e05..e48652ab555 100644
--- a/pkgs/top-level/aliases.nix
+++ b/pkgs/top-level/aliases.nix
@@ -337,7 +337,8 @@ mapAliases ({
   kodiPlain = kodi;
   kodiPlainWayland = kodi-wayland;
   jellyfin_10_5 = throw "Jellyfin 10.5 is no longer supported and contains a security vulnerability. Please upgrade to a newer version."; # added 2021-04-26
-  julia_07 = throw "julia_07 is deprecated in favor of julia_10 LTS"; # added 2020-09-15
+  julia_07 = throw "julia_07 has been deprecated in favor of the latest LTS version"; # added 2020-09-15
+  julia_1 = throw "julia_1 has been deprecated in favor of julia_10 as it was ambiguous"; # added 2021-03-13
   julia_11 = throw "julia_11 has been deprecated in favor of the latest stable version"; # added 2020-09-15
   julia_13 = throw "julia_13 has been deprecated in favor of the latest stable version"; # added 2021-03-13
   kdeconnect = plasma5Packages.kdeconnect-kde; # added 2020-10-28
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index c6e0b67e587..69b917d05ad 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -10992,7 +10992,6 @@ in
   julia = julia_15;
   julia-lts = julia_10;
   julia-stable = julia_15;
-  julia_1 = julia_10;
 
   jwasm =  callPackage ../development/compilers/jwasm { };