diff --git a/net-dns/libidn2/libidn2-0.16-r1.ebuild b/net-dns/libidn2/libidn2-0.16-r1.ebuild
index 07b545602fc05..5d99fa80eb1d7 100644
--- a/net-dns/libidn2/libidn2-0.16-r1.ebuild
+++ b/net-dns/libidn2/libidn2-0.16-r1.ebuild
@@ -42,7 +42,8 @@ src_prepare() {
 
 multilib_src_configure() {
 	econf \
-		$(use_enable static-libs static)
+		$(use_enable static-libs static) \
+		--disable-gtk-doc
 }
 
 multilib_src_install() {
diff --git a/net-dns/libidn2/libidn2-0.16-r2.ebuild b/net-dns/libidn2/libidn2-0.16-r2.ebuild
index bf57ff464f28e..ba1da393b3a0a 100644
--- a/net-dns/libidn2/libidn2-0.16-r2.ebuild
+++ b/net-dns/libidn2/libidn2-0.16-r2.ebuild
@@ -48,7 +48,8 @@ src_prepare() {
 
 multilib_src_configure() {
 	econf \
-		$(use_enable static-libs static)
+		$(use_enable static-libs static) \
+		--disable-gtk-doc
 }
 
 multilib_src_install() {