diff --git a/pkgs/development/interpreters/ruby/default.nix b/pkgs/development/interpreters/ruby/default.nix
index 4091fc7dc8d8..0a3b600e18ac 100644
--- a/pkgs/development/interpreters/ruby/default.nix
+++ b/pkgs/development/interpreters/ruby/default.nix
@@ -290,9 +290,6 @@ let
         '';
         doInstallCheck = true;
 
-        disallowedRequisites = op (!jitSupport) stdenv.cc.cc
-          ++ op useBaseRuby baseRuby;
-
         meta = with lib; {
           description = "An object-oriented language for quick and easy programming";
           homepage    = "https://www.ruby-lang.org/";
diff --git a/pkgs/development/libraries/libgudev/default.nix b/pkgs/development/libraries/libgudev/default.nix
index 845caf57caa9..b46f40a96e8c 100644
--- a/pkgs/development/libraries/libgudev/default.nix
+++ b/pkgs/development/libraries/libgudev/default.nix
@@ -39,13 +39,10 @@ stdenv.mkDerivation (finalAttrs: {
   buildInputs = [
     udev
     glib
-  ];
-
-  checkInputs = [
     glibcLocales
     umockdev
   ];
-
+  
   doCheck = true;
 
   passthru = {
diff --git a/pkgs/development/libraries/wayland/protocols.nix b/pkgs/development/libraries/wayland/protocols.nix
index dc53bbb54d2a..5434edcd24de 100644
--- a/pkgs/development/libraries/wayland/protocols.nix
+++ b/pkgs/development/libraries/wayland/protocols.nix
@@ -21,8 +21,7 @@ stdenv.mkDerivation rec {
   '';
 
   depsBuildBuild = [ pkg-config ];
-  nativeBuildInputs = [ meson ninja wayland-scanner ];
-  nativeCheckInputs = [ python3 wayland ];
+  nativeBuildInputs = [ meson ninja wayland-scanner python3 wayland ];
 
   mesonFlags = [ "-Dtests=${lib.boolToString doCheck}" ];