--- mkinitcpio.old	2022-02-16 15:44:33.529519938 +0100
+++ mkinitcpio	2022-02-16 15:46:09.754968752 +0100
@@ -709,6 +709,8 @@
 
 # this is simply a nice-to-have -- it doesn't matter if it fails.
 ldconfig -r "$BUILDROOT" &>/dev/null
+# remove /var/cache/ldconfig/aux-cache for reproducability
+[[ -e $BUILDROOT/var/cache/ldconfig/aux-cache ]] && rm $BUILDROOT/var/cache/ldconfig/aux-cache
 
 # Set umask to create initramfs images and EFI images as 600
 umask 077