diff --git a/pkgs/development/libraries/protobuf/28.nix b/pkgs/development/libraries/protobuf/28.nix
deleted file mode 100644
index ae6940fa050e..000000000000
--- a/pkgs/development/libraries/protobuf/28.nix
+++ /dev/null
@@ -1,9 +0,0 @@
-{ callPackage, ... }@args:
-
-callPackage ./generic.nix (
-  {
-    version = "28.3";
-    hash = "sha256-+bb5RxITzxuX50ItmpQhWEG1kMfvlizWTMJJzwlhhYM=";
-  }
-  // args
-)
diff --git a/pkgs/top-level/aliases.nix b/pkgs/top-level/aliases.nix
index 1085366b3f1d..5ef666197848 100644
--- a/pkgs/top-level/aliases.nix
+++ b/pkgs/top-level/aliases.nix
@@ -1618,6 +1618,7 @@ mapAliases {
   prometheus-minio-exporter = throw "'prometheus-minio-exporter' has been removed from nixpkgs, use Minio's built-in Prometheus integration instead"; # Added 2024-06-10
   prometheus-tor-exporter = throw "'prometheus-tor-exporter' has been removed from nixpkgs, as it was broken and unmaintained"; # Added 2024-10-30
   protobuf_23 = throw "'protobuf_23' has been removed from nixpkgs. Consider using a more recent version of the protobuf library"; # Added 2025-04-20
+  protobuf_28 = throw "'protobuf_28' has been removed from nixpkgs. Consider using a more recent version of the protobuf library"; # Added 2025-06-14
   protobuf3_24 = protobuf_24;
   protobuf3_23 = protobuf_23;
   protobuf3_21 = protobuf_21;
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 96b2c89bebe3..16748b632d83 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -9324,7 +9324,6 @@ with pkgs;
       protobuf_31 = callPackage ../development/libraries/protobuf/31.nix { };
       protobuf_30 = callPackage ../development/libraries/protobuf/30.nix { };
       protobuf_29 = callPackage ../development/libraries/protobuf/29.nix { };
-      protobuf_28 = callPackage ../development/libraries/protobuf/28.nix { };
       protobuf_27 = callPackage ../development/libraries/protobuf/27.nix { };
       protobuf_26 = callPackage ../development/libraries/protobuf/26.nix { };
       protobuf_25 = callPackage ../development/libraries/protobuf/25.nix { };
@@ -9336,7 +9335,6 @@ with pkgs;
     protobuf_31
     protobuf_30
     protobuf_29
-    protobuf_28
     protobuf_27
     protobuf_26
     protobuf_25