diff --git a/mkosi.images/system/mkosi.conf.d/10-arch/mkosi.build.chroot b/mkosi.images/system/mkosi.conf.d/10-arch/mkosi.build.chroot
index 7c862d527c..1f6e0c328c 100755
--- a/mkosi.images/system/mkosi.conf.d/10-arch/mkosi.build.chroot
+++ b/mkosi.images/system/mkosi.conf.d/10-arch/mkosi.build.chroot
@@ -21,9 +21,6 @@ ln --symbolic "$BUILDDIR" "pkg/$ID/build"
 # Because we run with --noextract we are responsible for making sure the source files appear in src/.
 ln --symbolic . "pkg/$ID/src"
 
-# shellcheck source=/dev/null
-. /etc/makepkg.conf
-
 MKOSI_CFLAGS="-O0 -Wp,-U_FORTIFY_SOURCE"
 if ((LLVM)); then
     # TODO: Remove -fno-sanitize-function when https://github.com/systemd/systemd/issues/29972 is fixed.