diff --git a/diffoscope.spec b/diffoscope.spec
index 853b110..f466ff9 100644
--- a/diffoscope.spec
+++ b/diffoscope.spec
@@ -99,6 +99,8 @@ install -Dm0644 -t %{buildroot}%{_mandir}/man1/ doc/diffoscope.1
 # (https://github.com/pytest-dev/pytest/issues/1442#issuecomment-194259675)
 # http://bugs.debian.org/817193
 sed -i s/test_listing/_disabled_/ tests/comparators/test_cbfs.py
+sed -i s/test_identification_using_offset/_disabled_/ tests/comparators/test_cbfs.py
+sed -i s/test_compare_non_existing/_disabled_/ tests/comparators/test_cbfs.py
 sed -i s/test_identification/_disabled_/ tests/comparators/test_ppu.py
 sed -i s/test_diff/_disabled_/ tests/comparators/test_ppu.py
 sed -i s/test_compare_non_existing/_disabled_/ tests/comparators/test_ppu.py