diff --git a/package/firmware/libosinfo/libosinfo.desc b/package/firmware/libosinfo/libosinfo.desc
index fca40c1487d..2611064faec 100644
--- a/package/firmware/libosinfo/libosinfo.desc
+++ b/package/firmware/libosinfo/libosinfo.desc
@@ -16,6 +16,7 @@
 [C] extra/base
 [F] CROSS
 
+[E] opt gtk-doc docbook-xml docbook-xsl
 [E] opt vala
 
 [V] 1.12.0
diff --git a/package/textproc/libxmlb/libxmlb.desc b/package/textproc/libxmlb/libxmlb.desc
index 7487f9ed3bf..66de2261941 100644
--- a/package/textproc/libxmlb/libxmlb.desc
+++ b/package/textproc/libxmlb/libxmlb.desc
@@ -16,6 +16,8 @@
 [C] base/library
 [F] CROSS
 
+[E] opt gtk-doc docbook-xml docbook-xsl
+
 [L] LGPL
 [V] 0.3.26
 [P] X -----5---9 161.645