diff --git a/comparisons.scad b/comparisons.scad
index 3ea5d07..caca091 100644
--- a/comparisons.scad
+++ b/comparisons.scad
@@ -777,7 +777,7 @@ function group_sort(list, idx) =
 // Usage:
 //   groupings = group_data(groups, values);
 // Topics: Array Handling
-// See Also: zip(), zip_long()
+// See Also: zip()
 // Description:
 //   Given a list of integer group numbers, and an equal-length list of values,
 //   returns a list of groups with the values sorted into the corresponding groups.
diff --git a/lists.scad b/lists.scad
index ab557e6..1951c7c 100644
--- a/lists.scad
+++ b/lists.scad
@@ -1056,7 +1056,6 @@ function full_flatten(l) =
 //   triples = zip(a,b,c);
 //   quads = zip([LIST1,LIST2,LIST3,LIST4]);
 // Topics: List Handling, Iteration
-// See Also: zip_long()
 // Description:
 //   Zips together two or more lists into a single list.  For example, if you have two
 //   lists [3,4,5], and [8,7,6], and zip them together, you get [ [3,8],[4,7],[5,6] ].