diff --git a/src/backend/utils/mb/Unicode/UCS_to_EUC_JIS_2004.pl b/src/backend/utils/mb/Unicode/UCS_to_EUC_JIS_2004.pl
index 57088c31ff..d2f1b757cb 100755
--- a/src/backend/utils/mb/Unicode/UCS_to_EUC_JIS_2004.pl
+++ b/src/backend/utils/mb/Unicode/UCS_to_EUC_JIS_2004.pl
@@ -9,7 +9,7 @@
 
 require "ucs2utf.pl";
 
-$TEST = 1;
+$TEST = 0;
 
 # first generate UTF-8 --> EUC_JIS_2004 table