diff --git a/recipes-phosphor/dbus/phosphor-dbus-interfaces_git.bb b/recipes-phosphor/dbus/phosphor-dbus-interfaces_git.bb
index 0489097..98def67 100644
--- a/recipes-phosphor/dbus/phosphor-dbus-interfaces_git.bb
+++ b/recipes-phosphor/dbus/phosphor-dbus-interfaces_git.bb
@@ -29,4 +29,10 @@
         ])
 pdi_meson_config[vardeps] = "OBMC_ORG_YAML_SUBDIRS"
 
-EXTRA_OEMESON_append = " ${@pdi_meson_config(d)}"
+# Markdown files are installed into /usr/share/phosphor-dbus-interfaces so
+# add them to the 'doc' subpackage.
+FILES_${PN}-doc += "${datadir}/${BPN}"
+
+EXTRA_OEMESON_append = " \
+        -Db_lto=true \
+        ${@pdi_meson_config(d)}"