diff --git a/development/autotests/invertedTests b/development/autotests/invertedTests
index feefad3078..8b314b64c7 100644
--- a/development/autotests/invertedTests
+++ b/development/autotests/invertedTests
@@ -53,6 +53,10 @@ export/export/lyx2lyx/lyx_2_3_test_lyx(16|20|21|22)
 # Additional empty lines (vs. Separator latexpar) with every round-trip
 # before an ERT nested in a Description list:
 export/export/lyx2lyx/lyx_2_3_test2_lyx(16|20)
+# Gives error when exporting to TeX. These are old formats, so it is not
+# clear it is worth the time to try to fix the issue.
+export/doc/ja/UserGuide_lyx(16|20)
+export/examples/ja/Modules/LilyPond_Book_lyx(16|20)
 
 # nonstandard tests failing for unknown reason:
 export/templates/Articles/R_Journal_(dvi3|pdf[45])_systemF