diff --git a/pkgs/by-name/oa/oam-tools/package.nix b/pkgs/by-name/oa/oam-tools/package.nix
deleted file mode 100644
index 709f93a9ecb9..000000000000
--- a/pkgs/by-name/oa/oam-tools/package.nix
+++ /dev/null
@@ -1,31 +0,0 @@
-{
-  lib,
-  buildGoModule,
-  fetchFromGitHub,
-}:
-
-buildGoModule rec {
-  pname = "oam-tools";
-  version = "0.1.2";
-
-  src = fetchFromGitHub {
-    owner = "owasp-amass";
-    repo = "oam-tools";
-    tag = "v${version}";
-    hash = "sha256-vt4V8em8Iaz3BVKIqlcAv+VIpJtD58xb3QrkIr4tYuU=";
-  };
-
-  vendorHash = "sha256-yFKYZlA06yE48Wiz0cKgD57JEREwYyYkLM1NZPV8+Xc=";
-
-  ldflags = [
-    "-s"
-    "-w"
-  ];
-
-  meta = {
-    description = "Analysis and management tools for an Open Asset Model database";
-    homepage = "https://github.com/owasp-amass/oam-tools";
-    license = lib.licenses.asl20;
-    maintainers = with lib.maintainers; [ fab ];
-  };
-}
diff --git a/pkgs/top-level/aliases.nix b/pkgs/top-level/aliases.nix
index 50ebf60ae40f..115ca8bb8bb3 100644
--- a/pkgs/top-level/aliases.nix
+++ b/pkgs/top-level/aliases.nix
@@ -1198,6 +1198,7 @@ mapAliases {
   nuget-to-nix = throw "nuget-to-nix has been removed as it was deprecated in favor of nuget-to-json. Please use nuget-to-json instead"; # Added 2025-08-28
   nushellFull = throw "'nushellFull' has been renamed to/replaced by 'nushell'"; # Converted to throw 2025-10-27
   o = throw "'o' has been renamed to/replaced by 'orbiton'"; # Converted to throw 2025-10-27
+  oam-tools = throw "'oam-tools' has been become part of amass"; # Added 2025-12-21
   oathToolkit = throw "'oathToolkit' has been renamed to/replaced by 'oath-toolkit'"; # Converted to throw 2025-10-27
   obb = throw "obb has been removed because it has been marked as broken since 2023."; # Added 2025-10-11
   obliv-c = throw "obliv-c has been removed from Nixpkgs, as it has been unmaintained upstream for 4 years and does not build with supported GCC versions"; # Added 2025-08-18