diff --git a/doc/release-notes/rl-2505.section.md b/doc/release-notes/rl-2505.section.md
index c107f886d792..90451de108d8 100644
--- a/doc/release-notes/rl-2505.section.md
+++ b/doc/release-notes/rl-2505.section.md
@@ -277,6 +277,7 @@
 - `docker_24` has been removed, as it was EOL with vulnerabilities since June 08, 2024.
 
 - Emacs 28 and 29 have been removed.
+- Emacs 28 Macport has been removed, while CVEs of Emacs 29 Macport are patched.
 
 - `containerd` has been updated to v2, which contains breaking changes. See the [containerd
   2.0](https://github.com/containerd/containerd/blob/main/docs/containerd-2.0.md) documentation for more
diff --git a/pkgs/applications/editors/emacs/default.nix b/pkgs/applications/editors/emacs/default.nix
index 8640d64786b3..90189ee8b779 100644
--- a/pkgs/applications/editors/emacs/default.nix
+++ b/pkgs/applications/editors/emacs/default.nix
@@ -46,8 +46,6 @@ lib.makeScope pkgs.newScope (
       withPgtk = true;
     };
 
-    emacs28-macport = callPackage (self.sources.emacs28-macport) inheritedArgs;
-
     emacs29-macport = callPackage (self.sources.emacs29-macport) inheritedArgs;
   }
 )
diff --git a/pkgs/applications/editors/emacs/sources.nix b/pkgs/applications/editors/emacs/sources.nix
index 7b2ba87227bf..c8bea20543b1 100644
--- a/pkgs/applications/editors/emacs/sources.nix
+++ b/pkgs/applications/editors/emacs/sources.nix
@@ -122,35 +122,6 @@ in
     ];
   });
 
-  emacs28-macport = import ./make-emacs.nix (mkArgs {
-    pname = "emacs-mac";
-    version = "28.2";
-    variant = "macport";
-    rev = "emacs-28.2-mac-9.1";
-    hash = "sha256-Ne2jQ2nVLNiQmnkkOXVc5AkLVkTpm8pFC7VNY2gQjPE=";
-    patches = fetchpatch: [
-      # CVE-2022-45939
-      (fetchpatch {
-        url = "https://git.savannah.gnu.org/cgit/emacs.git/patch/?id=d48bb4874bc6cd3e69c7a15fc3c91cc141025c51";
-        hash = "sha256-TiBQkexn/eb6+IqJNDqR/Rn7S7LVdHmL/21A5tGsyJs=";
-      })
-
-      # https://lists.gnu.org/archive/html/emacs-devel/2024-03/msg00611.html
-      (fetchpatch {
-        url = "https://gitweb.gentoo.org/proj/emacs-patches.git/plain/emacs/28.2/10_all_org-macro-eval.patch?id=af40e12cb742510e5d40a06ffc6dfca97e340dd6";
-        hash = "sha256-OdGt4e9JGjWJPkfJhbYsmQQc6jart4BH5aIKPIbWKFs=";
-      })
-      (fetchpatch {
-        url = "https://gitweb.gentoo.org/proj/emacs-patches.git/plain/emacs/28.2/11_all_untrusted-content.patch?id=af40e12cb742510e5d40a06ffc6dfca97e340dd6";
-        hash = "sha256-wa2bsnCt5yFx0+RAFZGBPI+OoKkbrfkkMer/KBEc/wA=";
-      })
-      (fetchpatch {
-        url = "https://gitweb.gentoo.org/proj/emacs-patches.git/plain/emacs/28.2/12_all_org-remote-unsafe.patch?id=af40e12cb742510e5d40a06ffc6dfca97e340dd6";
-        hash = "sha256-b6WU1o3PfDV/6BTPfPNUFny6oERJCNsDrvflxX3Yvek=";
-      })
-    ];
-  });
-
   emacs29-macport = import ./make-emacs.nix (mkArgs {
     pname = "emacs-mac";
     version = "29.4";
diff --git a/pkgs/top-level/aliases.nix b/pkgs/top-level/aliases.nix
index 14b051cd6e2b..1a578c9a45bb 100644
--- a/pkgs/top-level/aliases.nix
+++ b/pkgs/top-level/aliases.nix
@@ -546,6 +546,7 @@ mapAliases {
   emacs28 = throw "Emacs 28 is removed due to CVEs which are fixed in Emacs 30"; # Added 2025-03-03
   emacs28-gtk2 = throw "emacs28-gtk2 was removed because GTK2 is EOL; migrate to emacs28{,-gtk3,-nox} or to more recent versions of Emacs."; # Added 2024-09-20
   emacs28-gtk3 = throw "Emacs 28 is removed due to CVEs which are fixed in Emacs 30"; # Added 2025-03-03
+  emacs28-macport = throw "Emacs 28 Macport is removed due to CVEs which are fixed in Emacs 30 and backported to Emacs 29 Macport"; # Added 2025-04-06
   emacs28-nox = throw "Emacs 28 is removed due to CVEs which are fixed in Emacs 30"; # Added 2025-03-03
   emacs28NativeComp = emacs28; # Added 2022-06-08
   emacs28Packages = throw "'emacs28Packages' has been renamed to/replaced by 'emacs28.pkgs'"; # Converted to throw 2024-10-17
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 9aba2ffb0292..7b970ee43b0c 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -14185,7 +14185,6 @@ with pkgs;
     emacs30-nox
     emacs30-pgtk
 
-    emacs28-macport
     emacs29-macport
     ;