diff --git a/pkgs/tools/inputmethods/ibus/default.nix b/pkgs/tools/inputmethods/ibus/default.nix
index 3bcb5d01cf49..c25340e38350 100644
--- a/pkgs/tools/inputmethods/ibus/default.nix
+++ b/pkgs/tools/inputmethods/ibus/default.nix
@@ -29,15 +29,13 @@
 , libnotify ? null
 , enableUI ? true
 , withWayland ? false
-, libxkbcommon ? null
-, wayland ? null
+, libxkbcommon
+, wayland
 , buildPackages
 , runtimeShell
 , nixosTests
 }:
 
-assert withWayland -> wayland != null && libxkbcommon != null;
-
 with lib;
 
 let