diff --git a/gnu/packages/gnome.scm b/gnu/packages/gnome.scm
index e8253299a7..5f0d068539 100644
--- a/gnu/packages/gnome.scm
+++ b/gnu/packages/gnome.scm
@@ -4720,7 +4720,6 @@ (define-public mutter
        ("cairo" ,cairo)
        ("gdk-pixbuf" ,gdk-pixbuf)
        ("glib" ,glib)
-       ("glib" ,glib)
        ("gtk+" ,gtk+)
        ("json-glib" ,json-glib)
        ("libinput" ,libinput)