diff --git a/nixos/tests/all-tests.nix b/nixos/tests/all-tests.nix
index 1283bb8bf3cd..83c759e3de0c 100644
--- a/nixos/tests/all-tests.nix
+++ b/nixos/tests/all-tests.nix
@@ -1737,10 +1737,6 @@ in
     imports = [ ./varnish.nix ];
     _module.args.package = pkgs.varnish60;
   };
-  varnish77 = runTest {
-    imports = [ ./varnish.nix ];
-    _module.args.package = pkgs.varnish77;
-  };
   varnish80 = runTest {
     imports = [ ./varnish.nix ];
     _module.args.package = pkgs.varnish80;
diff --git a/pkgs/servers/varnish/default.nix b/pkgs/servers/varnish/default.nix
index 6d50f051655a..94567b556c1f 100644
--- a/pkgs/servers/varnish/default.nix
+++ b/pkgs/servers/varnish/default.nix
@@ -147,9 +147,6 @@ let
           lib.maintainers.osnyx
         ];
         platforms = lib.platforms.unix;
-        knownVulnerabilities = lib.optionals (lib.versions.major version == "7") [
-          "VSV00018: https://vinyl-cache.org/security/VSV00018.html"
-        ];
         broken = stdenv.isDarwin && version == "8.0.1"; # https://github.com/NixOS/nixpkgs/issues/495368
       };
     };
@@ -160,11 +157,6 @@ in
     version = "6.0.17";
     hash = "sha256-CVmHd1hCDFE/WIZqjc1TfX1O2RqFetdNSO4ihmXoL5k=";
   };
-  # EOL 2026-03-15
-  varnish77 = common {
-    version = "7.7.3";
-    hash = "sha256-6W7q/Ez+KlWO0vtU8eIr46PZlfRvjADaVF1YOq74AjY=";
-  };
   # EOL 2026-09-15
   varnish80 = common {
     version = "8.0.1";
diff --git a/pkgs/servers/varnish/modules.nix b/pkgs/servers/varnish/modules.nix
index 3dc5943fb152..557032cfc976 100644
--- a/pkgs/servers/varnish/modules.nix
+++ b/pkgs/servers/varnish/modules.nix
@@ -55,10 +55,6 @@ in
     version = "0.15.1";
     hash = "sha256-Et/iWOk2FWJBDOpKjNXm4Nh5i1SU4zVPaID7kh+Uj9M=";
   };
-  modules26 = common {
-    version = "0.26.0";
-    hash = "sha256-xKMOkqm6/GoBve0AhPqyVMQv/oh5Rtj6uCeg/yId7BU=";
-  };
   modules27 = common {
     version = "0.27.0";
     hash = "sha256-1hE+AKsC6Td+Al7LFN6bgPicU8dtWd3A8PP7VKZLvYM=";
diff --git a/pkgs/servers/varnish/packages.nix b/pkgs/servers/varnish/packages.nix
index 7167ca143741..f5d6ffb1afb8 100644
--- a/pkgs/servers/varnish/packages.nix
+++ b/pkgs/servers/varnish/packages.nix
@@ -2,7 +2,6 @@
   callPackages,
   callPackage,
   varnish60,
-  varnish77,
   varnish80,
   lib,
 }:
@@ -21,10 +20,6 @@
       sha256 = "1n94slrm6vn3hpymfkla03gw9603jajclg84bjhwb8kxsk3rxpmk";
     };
   };
-  varnish77Packages = lib.recurseIntoAttrs rec {
-    varnish = varnish77;
-    modules = (callPackages ./modules.nix { inherit varnish; }).modules26;
-  };
   varnish80Packages = lib.recurseIntoAttrs rec {
     varnish = varnish80;
     modules = (callPackages ./modules.nix { inherit varnish; }).modules27;
diff --git a/pkgs/top-level/aliases.nix b/pkgs/top-level/aliases.nix
index aa257d849b1e..70d75fb3384a 100644
--- a/pkgs/top-level/aliases.nix
+++ b/pkgs/top-level/aliases.nix
@@ -2104,6 +2104,8 @@ mapAliases {
   valum = throw "'valum' has been removed because it has been marked as broken since at least November 2024."; # Added 2025-10-01
   vamp.vampSDK = throw "'vamp.vampSDK' has been renamed to/replaced by 'vamp-plugin-sdk'"; # Converted to throw 2025-10-27
   vapoursynth-nnedi3 = throw "'vapoursynth-nnedi3' has been removed per upstream. Use vapoursynth-znedi3 instead."; # Added 2026-04-20
+  varnish77 = throw "varnish 7.7 is EOL. Please upgrade to 'varnish80' or 'vinyl-cache_9'."; # Added 2026-05-01
+  varnish77Packages = throw "varnish 7.7 is EOL. Please upgrade to 'varnish80' or 'vinyl-cache_9'."; # Added 2026-05-01
   vaultwarden-vault = throw "'vaultwarden-vault' has been renamed to/replaced by 'vaultwarden.webvault'"; # Converted to throw 2025-10-27
   vbetool = throw "'vbetool' has been removed as it is broken and not maintained upstream."; # Added 2025-06-11
   vboot_reference = vboot-utils; # Added 2025-11-01
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 001ee576682d..947fcf6bc63e 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -3464,12 +3464,10 @@ with pkgs;
 
   inherit (callPackages ../servers/varnish { })
     varnish60
-    varnish77
     varnish80
     ;
   inherit (callPackages ../servers/varnish/packages.nix { })
     varnish60Packages
-    varnish77Packages
     varnish80Packages
     ;
   varnishPackages = varnish80Packages;