diff --git a/pkgs/development/compilers/haxe/default.nix b/pkgs/development/compilers/haxe/default.nix
index 370163a096f4..75a90e4d6be7 100644
--- a/pkgs/development/compilers/haxe/default.nix
+++ b/pkgs/development/compilers/haxe/default.nix
@@ -57,9 +57,7 @@ let
         dune
       ]
       ++ (if lib.versionAtLeast version "4.3" then [ pcre2 ] else [ pcre ])
-      ++ lib.optional (lib.versionAtLeast version "4.1") (
-        if lib.versionAtLeast version "4.3" then mbedtls else mbedtls_2
-      )
+      ++ (if lib.versionAtLeast version "4.3" then [ mbedtls ] else [ mbedtls_2 ])
       ++ ocamlDependencies version;
 
       src = fetchFromGitHub {
@@ -150,10 +148,6 @@ let
     };
 in
 {
-  haxe_4_0 = generic {
-    version = "4.0.5";
-    hash = "sha256-Ck/py+tZS7dBu/uikhSLKBRNljpg2h5PARX0Btklozg=";
-  };
   haxe_4_1 = generic {
     version = "4.1.5";
     hash = "sha256-QP5/jwexQXai1A5Iiwiyrm+/vkdAc+9NVGt+jEQz2mY=";
diff --git a/pkgs/top-level/aliases.nix b/pkgs/top-level/aliases.nix
index 13e178fbc407..f2254d378f12 100644
--- a/pkgs/top-level/aliases.nix
+++ b/pkgs/top-level/aliases.nix
@@ -927,6 +927,7 @@ mapAliases {
   gxneur = throw "'gxneur' has been removed due to lack of maintenance and reliance on gnome2 and 2to3."; # Added 2025-08-17
   hacpack = throw "hacpack has been removed from nixpkgs, as it has been taken down upstream"; # Added 2025-09-26
   harmony-music = throw "harmony-music is unmaintained and has been removed"; # Added 2025-08-26
+  haxe_4_0 = throw "'haxe_4_0' has been removed as it reached its end of life. Migrate to 'haxe_4_3'.";
   helix-gpt = throw "helix-gpt was deprecated in January 2026 and has been since removed"; # Added 2026-02-05
   helvum = throw "'helvum' has been removed as it was unmaintained upstream and relied on a vulnerable dependency. Consider using 'crosspipe' instead."; # Added 2026-03-04
   HentaiAtHome = throw "'HentaiAtHome' has been renamed to/replaced by 'hentai-at-home'"; # Converted to throw 2025-10-27
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 16ad0721ee95..85552cdaef1c 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -4146,7 +4146,6 @@ with pkgs;
     })
     haxe_4_3
     haxe_4_1
-    haxe_4_0
     ;
 
   haxe = haxe_4_3;