diff --git a/MozillaFirefox.changes b/MozillaFirefox.changes
index eb6a86d9..47a63aba 100644
--- a/MozillaFirefox.changes
+++ b/MozillaFirefox.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Mon Oct 25 15:31:31 UTC 2021 - Bjørn Lie <bjorn.lie@gmail.com>
+
+- Drop unused pkgconfig(gdk-x11-2.0) BuildRequires.
+
 -------------------------------------------------------------------
 Mon Oct 25 08:13:55 UTC 2021 - Martin Liška <mliska@suse.cz>
 
diff --git a/MozillaFirefox.spec b/MozillaFirefox.spec
index f9e7c83a..449d38a3 100644
--- a/MozillaFirefox.spec
+++ b/MozillaFirefox.spec
@@ -145,7 +145,6 @@ BuildRequires:  clang6-devel
 %else
 BuildRequires:  clang-devel >= 5
 %endif
-BuildRequires:  pkgconfig(gdk-x11-2.0)
 BuildRequires:  pkgconfig(glib-2.0) >= 2.22
 BuildRequires:  pkgconfig(gobject-2.0)
 BuildRequires:  pkgconfig(gtk+-3.0) >= 3.14.0