--- a/eclass/kde5.eclass	2016-04-27 16:50:10.365088989 +0200
+++ a/eclass/kde5.eclass	2016-04-27 18:32:12.289757512 +0200
@@ -19,7 +19,10 @@ 
 # for tests you should proceed with setting VIRTUALX_REQUIRED=test.
 : ${VIRTUALX_REQUIRED:=manual}
 
-inherit cmake-utils eutils flag-o-matic gnome2-utils kde5-functions versionator virtualx xdg
+PLOCALES="ar bg bs ca ca@valencia cs da de el en_GB eo es et eu fa fi fr ga gl
+he hi hr hu ia id is it ja kk km ko lt lv mr nb nds nl nn pa pl pt pt_BR ro ru
+sk sl sr sv tr ug uk wa zh_CN zh_TW"
+inherit cmake-utils eutils flag-o-matic gnome2-utils kde5-functions versionator virtualx xdg l10n
 
 if [[ ${KDE_BUILD_TYPE} = live ]]; then
 	case ${KDE_SCM} in
@@ -401,13 +404,18 @@ 
 	if [[ -d po ]] ; then
 		pushd po > /dev/null || die
 		for lang in *; do
-			if [[ -d ${lang} ]] && ! has ${lang} ${LINGUAS} ; then
-				rm -r ${lang} || die
-				if [[ -e CMakeLists.txt ]] ; then
-					cmake_comment_add_subdirectory ${lang}
+			lingua="linguas_${lang}"
+			if [[ -d ${lang} ]] ; then
+				if ! has ${lingua} ${IUSE_EFFECTIVE} || ! use ${lingua} ; then
+					einfo "removing language dir ${lang}"
+					rm -r ${lang} || die
+					if [[ -e CMakeLists.txt ]] ; then
+						cmake_comment_add_subdirectory ${lang}
+					fi
 				fi
-			elif ! has ${lang/.po/} ${LINGUAS} ; then
+			elif ! has ${lingua/.po} ${IUSE_EFFECTIVE} || ! use ${lingua/.po/}  ; then
 				if [[ ${lang} != CMakeLists.txt ]] ; then
+					einfo "removing language file ${lang}"
 					rm ${lang} || die
 				fi
 			fi
@@ -419,7 +427,9 @@ 
 		if [[ ${KDE_HANDBOOK} != false && -d ${KDE_DOC_DIR} && ${CATEGORY} != kde-apps ]] ; then
 			pushd ${KDE_DOC_DIR} > /dev/null || die
 			for lang in *; do
-				if ! has ${lang} ${LINGUAS} ; then
+				lingua="linguas_${lang}"
+				if ! has ${lingua} ${IUSE_EFFECTIVE} || ! use ${lingua} ; then
+					einfo "removing doc dir ${lang}"
 					cmake_comment_add_subdirectory ${lang}
 				fi
 			done