diff --git a/src/slider/slide.py b/src/slider/slide.py
index 56901c3571d2131d57b6c127e2178aa81aef7448..d2b3cf814467d9a51924d9aa7633d6ac8e550c73 100644
--- a/src/slider/slide.py
+++ b/src/slider/slide.py
@@ -275,7 +275,8 @@ def recursive_tex_apply(doc, fun=None, current_output=None):
     return current_output
 
 def recursive_tex_collect(doc):
-    assert False
+    """ I am using this in the toolbox. Let's not delete it right now. """
+    # assert False
     sdict = recursive_tex_apply(doc)
     def gathersub(file):
         lines = []