diff --git a/nixos/doc/manual/release-notes/rl-2311.section.md b/nixos/doc/manual/release-notes/rl-2311.section.md
index 34ea5cdbd65f2..04b3373c32ff8 100644
--- a/nixos/doc/manual/release-notes/rl-2311.section.md
+++ b/nixos/doc/manual/release-notes/rl-2311.section.md
@@ -297,6 +297,8 @@
 
 - `service.borgmatic.settings.location` and `services.borgmatic.configurations.<name>.location` are deprecated, please move your options out of sections to the global scope.
 
+- `dagger` was removed because using a package called `dagger` and packaging it from source violates their trademark policy.
+
 ## Other Notable Changes {#sec-release-23.11-notable-changes}
 
 - The Cinnamon module now enables XDG desktop integration by default. If you are experiencing collisions related to xdg-desktop-portal-gtk you can safely remove `xdg.portal.extraPortals = [ pkgs.xdg-desktop-portal-gtk ];` from your NixOS configuration.
diff --git a/pkgs/development/tools/continuous-integration/dagger/default.nix b/pkgs/development/tools/continuous-integration/dagger/default.nix
deleted file mode 100644
index 2b35ac4837ec5..0000000000000
--- a/pkgs/development/tools/continuous-integration/dagger/default.nix
+++ /dev/null
@@ -1,44 +0,0 @@
-{ lib, stdenv, buildGoModule, fetchFromGitHub, installShellFiles, testers, dagger }:
-
-buildGoModule rec {
-  pname = "dagger";
-  version = "0.8.8";
-
-  src = fetchFromGitHub {
-    owner = "dagger";
-    repo = "dagger";
-    rev = "v${version}";
-    hash = "sha256-EHAQRmBgQEM0ypfUwuaoPnoKsQb1S+tarO1nHdmY5RI=";
-  };
-
-  vendorHash = "sha256-fUNet9P6twEJP4eYooiHZ6qaJ3jEkJUwQ2zPzk3+eIs=";
-  proxyVendor = true;
-
-  subPackages = [
-    "cmd/dagger"
-  ];
-
-  ldflags = [ "-s" "-w" "-X github.com/dagger/dagger/engine.Version=${version}" ];
-
-  nativeBuildInputs = [ installShellFiles ];
-
-  postInstall = lib.optionalString (stdenv.buildPlatform.canExecute stdenv.hostPlatform) ''
-    installShellCompletion --cmd dagger \
-      --bash <($out/bin/dagger completion bash) \
-      --fish <($out/bin/dagger completion fish) \
-      --zsh <($out/bin/dagger completion zsh)
-  '';
-
-  passthru.tests.version = testers.testVersion {
-    package = dagger;
-    command = "dagger version";
-    version = "v${version}";
-  };
-
-  meta = with lib; {
-    description = "A portable devkit for CICD pipelines";
-    homepage = "https://dagger.io";
-    license = licenses.asl20;
-    maintainers = with maintainers; [ jfroche sagikazarmark ];
-  };
-}
diff --git a/pkgs/top-level/aliases.nix b/pkgs/top-level/aliases.nix
index 1d7edca089f6d..94253d366d984 100644
--- a/pkgs/top-level/aliases.nix
+++ b/pkgs/top-level/aliases.nix
@@ -166,6 +166,7 @@ mapAliases ({
 
   ### D ###
 
+  dagger = throw "'dagger' has been removed from nixpkgs, as the trademark policy of the upstream project is incompatible"; # Added 2023-10-16
   dart_stable = dart; # Added 2020-01-15
   dat = nodePackages.dat;
   deadpixi-sam = deadpixi-sam-unstable;
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 53465f6dfed0a..ee73c3b9c5f31 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -4954,8 +4954,6 @@ with pkgs;
 
   daemontools = callPackage ../tools/admin/daemontools { };
 
-  dagger = callPackage ../development/tools/continuous-integration/dagger { };
-
   dale = callPackage ../development/compilers/dale { };
 
   damon = callPackage ../tools/admin/damon { };