diff --git a/hugin.changes b/hugin.changes
index 8221764..29f2e93 100644
--- a/hugin.changes
+++ b/hugin.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Thu Aug 20 13:03:26 UTC 2020 - Stefan Brüns <stefan.bruens@rwth-aachen.de>
+
+- Use wxGTK3 instead of wxWidgets (GTK2), for better HiDPI support.
+- Cleanup spec file.
+
 -------------------------------------------------------------------
 Thu Aug 20 08:38:47 UTC 2020 - Martin Liška <mliska@suse.cz>
 
diff --git a/hugin.spec b/hugin.spec
index 2c21066..c135013 100644
--- a/hugin.spec
+++ b/hugin.spec
@@ -52,7 +52,7 @@ BuildRequires:  pkg-config
 BuildRequires:  sqlite3-devel
 BuildRequires:  update-desktop-files
 BuildRequires:  vigra-devel
-BuildRequires:  wxWidgets-devel >= 3
+BuildRequires:  wxGTK3-devel >= 3
 %define mversion 2019.2
 Version:        2019.2.0
 Release:        0
@@ -116,16 +116,6 @@ rmdir -p --ignore-fail-on-non-empty %{buildroot}%{_datadir}/icons/gnome/48x48/mi
 install -m644 -D -t %{buildroot}%{_licensedir}/hugin/ COPYING.txt
 %fdupes %{buildroot}
 
-%post
-%icon_theme_cache_post
-%mime_database_post
-%desktop_database_post
-
-%postun
-%icon_theme_cache_postun
-%mime_database_postun
-%desktop_database_postun
-
 %files -f %{name}.lang
 %license COPYING.txt
 %doc AUTHORS authors.txt Changes.txt README