diff --git a/xorg-x11-fonts.spec b/xorg-x11-fonts.spec
index 87917ed..ba8493b 100644
--- a/xorg-x11-fonts.spec
+++ b/xorg-x11-fonts.spec
@@ -1,11 +1,38 @@
 %global _catalogue /etc/X11/fontpath.d
 # NOTE: Fonts strictly intended for X core fonts, should be installed into _x11fontdir.
 %global _x11fontdir %{_datadir}/X11/fonts
+%global _x11fontencodingsdir %{_x11fontdir}/encodings
+
+# A macro to de-duplicate a set of calls used in multiple fonts.
+# Usage: font_update_dirs [-f] [-t] <directory>
+#	-f ... run fontscale
+# 	-t ... run ttmkfdir
+# 	-u ... uninstall mode, only perform actions if the target directory exists
+# 	<directory>
+%global font_update_dirs(ftu) (							\
+if [ -z "%*" ]; then								\
+	echo "Missing directory argument";					\
+	exit 1;									\
+fi										\
+fontdir="%{_x11fontdir}/%%1"							\
+if [ -z "%%{-u}" -o -d $fontdir ]; then						\
+   if [ ! -z "%%{-f}" ]; then							\
+	   mkfontscale "$fontdir";						\
+   fi										\
+   if [ ! -z "%%{-t}" ]; then							\
+	ttmkfdir -d "$fontdir" -o "$fontdir/fonts.scale";			\
+   fi										\
+   mkfontdir "$fontdir";							\
+   fc-cache "$fontdir";								\
+   mkdir -p "%{_x11fontencodingsdir}/large";					\
+   mkfontscale -n -e "%{_x11fontencodingsdir}" -e "%{_x11fontencodingsdir}/large" "%{_x11fontencodingsdir}";	\
+fi										\
+)
 
 Summary:    X.Org X11 fonts
 Name:       xorg-x11-fonts
 Version:    7.5
-Release:    29%{?dist}
+Release:    30%{?dist}
 License:    MIT and Lucida and Public Domain
 URL:        https://www.x.org
 
@@ -292,52 +319,43 @@ done
     done
 }
 
-
-# xorg-x11-fonts-update-dirs is provided by xorg-x11-font-utils to deduplicate
-# stuff run in %%post
-
 %post misc
 {
 # Only run fc-cache in the Type1 dir, gzipped pcf's take forever
-  xorg-x11-fonts-update-dirs --skip-fontscale %{_x11fontdir}/misc || :
+  %font_update_dirs misc || :
 }
 
 %postun misc
 {
   # Rebuild fonts.dir when uninstalling package. (exclude the local, CID dirs)
-  if [ "$1" = "0" -a -d %{_x11fontdir}/misc ]; then
-    xorg-x11-fonts-update-dirs --skip-fontscale %{_x11fontdir}/misc || :
+  if [ "$1" = "0" ]; then
+    %font_update_dirs -u misc || :
   fi
 }
 
 %post Type1
 {
-  xorg-x11-fonts-update-dirs %{_x11fontdir}/Type1 || :
-} 
+  %font_update_dirs -f Type1 || :
+}
 
 %postun Type1
 {
-  FONTDIR=%{_x11fontdir}/Type1
-  if [ "$1" = "0" -a -d $FONTDIR ]; then
-    xorg-x11-fonts-update-dirs $FONTDIR || :
+  if [ "$1" = "0" ]; then
+    %font_update_dirs -u -f Type1 || :
   fi
 }
 
 %post ethiopic
 {
-  xorg-x11-fonts-update-dirs --skip-fontscale --need-ttmkfdir %{_x11fontdir}/TTF || :
-  xorg-x11-fonts-update-dirs %{_x11fontdir}/OTF || :
+  %font_update_dirs -t TTF || :
+  %font_update_dirs -f OTF || :
 }
 
 %postun ethiopic
 {
-  FONTDIR=%{_x11fontdir}/TTF
-  if [ "$1" = "0" -a -d $FONTDIR ]; then
-    xorg-x11-fonts-update-dirs --skip-fontscale --need-ttmkfdir $FONTDIR || :
-  fi
-  FONTDIR=%{_x11fontdir}/OTF
-  if [ "$1" = "0" -a -d $FONTDIR ]; then
-    xorg-x11-fonts-update-dirs $FONTDIR || :
+  if [ "$1" = "0" ]; then
+    %font_update_dirs -u -t TTF || :
+    %font_update_dirs -u -f OTF || :
   fi
 }
 
@@ -931,6 +949,11 @@ mkfontdir %{_x11fontdir}/cyrillic || :
 %ghost %verify(not md5 size mtime) %{_x11fontdir}/cyrillic/fonts.cache-*
 
 %changelog
+* Fri Mar 12 2021 Peter Hutterer <peter.hutterer@redhat.com> 7.5-30
+- Replace the external xorg-x11-fonts-update-dirs script with an rpm macro
+  doing the same thing, removing our runtime reliance on
+  xorg-x11-font-utils (#1938074)
+
 * Fri Mar 12 2021 Peter Hutterer <peter.hutterer@redhat.com> 7.5-29
 - BuildRequire mkfontscale now that it's separated out from
   xorg-x11-font-utils (#1938069)
@@ -1064,7 +1087,7 @@ mkfontdir %{_x11fontdir}/cyrillic || :
 * Tue Jun 08 2010 Peter Hutterer <peter.hutterer@redhat.com> 7.2-11
 - Require xorg-x11-font-utils >= 7.2-11 for font-utils 1.1.0
 - Fix bashism in spec file (&>)
-- Remove perl hack for DEFAULT_FONTS_DIR, fixed upstream 
+- Remove perl hack for DEFAULT_FONTS_DIR, fixed upstream
 - Remove perl and autoconf requirement.
 - Create %%ghost files {misc|705dpi|...}/fonts.scale.
 - Drop fontdir alias patches