diff --git a/src/repertoire.r b/src/repertoire.r
index 9cb5147..3be719e 100644
--- a/src/repertoire.r
+++ b/src/repertoire.r
@@ -2,14 +2,12 @@ library(immuneSIM)
 library(Biostrings)
 
 generate_repertoire <- function(number_of_sequences) {
-  b_chain <- immuneSIM(
+  return(immuneSIM(
     number_of_seqs = number_of_sequences,
     species = "hs",
     receptor = "tr",
-    chain = "b",
-    verbose = TRUE
-  )
-  return(b_chain)
+    chain = "b"
+  ))
 }
 
 # TODO save also v_call and j_call