diff --git a/tests/testlib/sequtils.nim b/tests/testlib/sequtils.nim
index b47ba75f5..5fd3d414f 100644
--- a/tests/testlib/sequtils.nim
+++ b/tests/testlib/sequtils.nim
@@ -1,5 +1,2 @@
 proc toString*(bytes: seq[byte]): string =
   cast[string](bytes)
-
-proc toBytes*(str: string): seq[byte] =
-  cast[seq[byte]](str)