diff --git a/pkgs/build-support/install-shell-files/default.nix b/pkgs/build-support/install-shell-files/default.nix
index 68c0eea..f736686 100644
--- a/pkgs/build-support/install-shell-files/default.nix
+++ b/pkgs/build-support/install-shell-files/default.nix
@@ -1,12 +1,4 @@
-{ makeSetupHook, tests }:
+{ makeSetupHook }:
 
-# See the header comment in ../setup-hooks/install-shell-files.sh for example usage.
-let
-  setupHook = makeSetupHook { name = "install-shell-files"; }
-    ../setup-hooks/install-shell-files.sh;
-
-in setupHook.overrideAttrs (oldAttrs: {
-  passthru = (oldAttrs.passthru or { }) // {
-    tests = tests.install-shell-files;
-  };
-})
+makeSetupHook { name = "install-shell-files"; }
+../setup-hooks/install-shell-files.sh
diff --git a/pkgs/by-name/cm/cmake/default.nix b/pkgs/by-name/cm/cmake/default.nix
index 8b7f59e..a61dfe0 100644
--- a/pkgs/by-name/cm/cmake/default.nix
+++ b/pkgs/by-name/cm/cmake/default.nix
@@ -10,7 +10,7 @@ else
 , uiToolkits ? [ ] # can contain "ncurses" and/or "qt5"
 , buildDocs ? !(isMinimalBuild || (uiToolkits == [ ])), darwin
 # , libsForQt5
-, gitUpdater }:
+}:
 
 let
   inherit (darwin.apple_sdk.frameworks) CoreServices SystemConfiguration;
@@ -151,12 +151,6 @@ stdenv.mkDerivation (finalAttrs: {
 
   doCheck = false; # fails
 
-  passthru.updateScript = gitUpdater {
-    url = "https://gitlab.kitware.com/cmake/cmake.git";
-    rev-prefix = "v";
-    ignoredVersions = "-"; # -rc1 and friends
-  };
-
   meta = {
     homepage = "https://cmake.org/";
     description = "Cross-platform, open-source build system generator";
diff --git a/pkgs/by-name/li/libseccomp/default.nix b/pkgs/by-name/li/libseccomp/default.nix
index f41d874..3a4bd4a 100644
--- a/pkgs/by-name/li/libseccomp/default.nix
+++ b/pkgs/by-name/li/libseccomp/default.nix
@@ -1,5 +1,4 @@
-{ lib, stdenv, fetchurl, getopt, util-linuxMinimal, which, gperf
-, nix-update-script }:
+{ lib, stdenv, fetchurl, getopt, util-linuxMinimal, which, gperf }:
 
 stdenv.mkDerivation rec {
   pname = "libseccomp";
@@ -33,7 +32,7 @@ stdenv.mkDerivation rec {
     tar -zcf $pythonsrc --mtime="@$SOURCE_DATE_EPOCH" --sort=name --transform s/tmp-pythonsrc/python-foundationdb/ ./tmp-pythonsrc/
   '';
 
-  passthru = { updateScript = nix-update-script { }; };
+  passthru = { };
 
   meta = with lib; {
     description = "High level library for the Linux Kernel seccomp filter";