diff --git a/pkgs/desktops/gnome/core/gnome-session/default.nix b/pkgs/desktops/gnome/core/gnome-session/default.nix
index 710829a5068e..7ff06bf76a69 100644
--- a/pkgs/desktops/gnome/core/gnome-session/default.nix
+++ b/pkgs/desktops/gnome/core/gnome-session/default.nix
@@ -30,13 +30,13 @@
 stdenv.mkDerivation rec {
   pname = "gnome-session";
   # Also bump ./ctl.nix when bumping major version.
-  version = "45.0";
+  version = "46.0";
 
   outputs = [ "out" "sessions" ];
 
   src = fetchurl {
     url = "mirror://gnome/sources/gnome-session/${lib.versions.major version}/${pname}-${version}.tar.xz";
-    sha256 = "cG0v/KysOFU6PAGFeT9aK0qslAu154nZU8mAgWO+8vE=";
+    hash = "sha256-xuFiSvYJC8ThoZH+Imir+nqN4HgxynpX8hfmeb97mlQ=";
   };
 
   patches = [
@@ -76,11 +76,6 @@ stdenv.mkDerivation rec {
     libepoxy
   ];
 
-  mesonFlags = [
-    "-Dsystemd=true"
-    "-Dsystemd_session=default"
-  ];
-
   postPatch = ''
     chmod +x meson_post_install.py # patchShebangs requires executable file
     patchShebangs meson_post_install.py