diff --git a/tests/data/test165 b/tests/data/test165
index 7444f88838..fd6b0de2ed 100644
--- a/tests/data/test165
+++ b/tests/data/test165
@@ -32,10 +32,6 @@ IDN
 proxy
 codeset-utf8
 </features>
-<setenv>
-LC_ALL
-LC_CTYPE=en_US.UTF-8
-</setenv>
 <name>
 HTTP over proxy with IDN host name
 </name>