diff --git a/po-properties/POTFILES.skip b/po-properties/POTFILES.skip
index c7c7a69f7a..4362cb7c5b 100644
--- a/po-properties/POTFILES.skip
+++ b/po-properties/POTFILES.skip
@@ -341,6 +341,10 @@ testsuite/reftests/window-height-for-width.ref.ui
 testsuite/reftests/window-height-for-width.ui
 testsuite/reftests/window-show-contents-on-map.ref.ui
 testsuite/reftests/window-show-contents-on-map.ui
+testsuite/tools/simplify-data-3to4/assistant.ui
+testsuite/tools/simplify-data-3to4/grid.ui
+testsuite/tools/simplify-data-3to4/notebook.ui
+testsuite/tools/simplify-data-3to4/stack.ui
 testsuite/tools/simplify-data/test3.ui
 tests/visuals/inline-toolbar-horizontal.ui
 tests/visuals/inline-toolbar-vertical.ui
diff --git a/po/POTFILES.skip b/po/POTFILES.skip
index 6fefb4b2ee..319b70671e 100644
--- a/po/POTFILES.skip
+++ b/po/POTFILES.skip
@@ -301,6 +301,10 @@ testsuite/reftests/window-height-for-width.ref.ui
 testsuite/reftests/window-height-for-width.ui
 testsuite/reftests/window-show-contents-on-map.ref.ui
 testsuite/reftests/window-show-contents-on-map.ui
+testsuite/tools/simplify-data-3to4/assistant.ui
+testsuite/tools/simplify-data-3to4/grid.ui
+testsuite/tools/simplify-data-3to4/notebook.ui
+testsuite/tools/simplify-data-3to4/stack.ui
 testsuite/tools/simplify-data/test3.ui
 tests/visuals/inline-toolbar-horizontal.ui
 tests/visuals/inline-toolbar-vertical.ui