diff --git a/episodes/functions.Rmd b/episodes/functions.Rmd
index 17af722a..4c86c350 100644
--- a/episodes/functions.Rmd
+++ b/episodes/functions.Rmd
@@ -121,9 +121,7 @@ make_groups <- function(names) {
   names_shuffled <- sample(names)
 
   # Arrange it as a two-columns matrix
-  names_coupled <- matrix(names_shuffled, ncol = 2)
-
-  return(names_coupled)
+  matrix(names_shuffled, ncol = 2)
 }
 ```