diff --git a/include/sys/bootconf.h b/include/sys/bootconf.h
new file mode 100644
index 0000000000..29c885a082
--- /dev/null
+++ b/include/sys/bootconf.h
@@ -0,0 +1,4 @@
+#ifndef _SPL_BOOTCONF_H
+#define _SPL_BOOTCONF_H
+
+#endif /* SPL_BOOTCONF_H */
diff --git a/include/sys/refstr.h b/include/sys/refstr.h
new file mode 100644
index 0000000000..041ea23af2
--- /dev/null
+++ b/include/sys/refstr.h
@@ -0,0 +1,4 @@
+#ifndef _SPL_REFSTR_H
+#define _SPL_REFSTR_H
+
+#endif /* SPL_REFSTR_H */