diff --git a/ClearURLs for uBo/compile.py b/ClearURLs for uBo/compile.py
index eda240384..6c3d83fa3 100644
--- a/ClearURLs for uBo/compile.py	
+++ b/ClearURLs for uBo/compile.py	
@@ -62,6 +62,8 @@ KNOWN_BAD_FILTERS = [
     "$removeparam=type,domain=amazon.com",
     # unknown breakage
     "||google.com^$removeparam=dpr",
+    "$~xmlhttprequest,removeparam=psc",
+    "||walmart.$removeparam=wl13",
 ]