1 files changed, 0 insertions, 3 deletions
diff --git a/error.c b/error.c
index 59b445e915..2b3bf3fef2 100644
--- a/error.c
+++ b/error.c
@@ -665,9 +665,6 @@ name_err_to_s(exc)
 
     if (NIL_P(mesg)) return rb_class_name(CLASS_OF(exc));
     StringValue(str);
-    if (str != mesg) {
-	OBJ_INFECT(str, mesg);
-    }
     return str;
 }