diff --git a/wafo/conftest.py b/wafo/conftest.py
index 4410c4a..088d68b 100644
--- a/wafo/conftest.py
+++ b/wafo/conftest.py
@@ -1,2 +1,2 @@
 # TODO Fix doctests in fig.py
-collect_ignore = ["fig.py"]
\ No newline at end of file
+collect_ignore = ["fig.py", "MSO.py", "MSPPT.py"]