1 files changed, 1 insertions, 7 deletions
diff --git a/error.c b/error.c
index bb1ffa4e7d..5bfa2216eb 100644
--- a/error.c
+++ b/error.c
@@ -635,7 +635,6 @@ exc_to_s(VALUE exc)
 
     if (NIL_P(mesg)) return rb_class_name(CLASS_OF(exc));
     r = rb_String(mesg);
-    OBJ_INFECT(r, exc);
     return r;
 }
 
@@ -996,11 +995,7 @@ name_err_to_s(VALUE exc)
 
     if (NIL_P(mesg)) return rb_class_name(CLASS_OF(exc));
     StringValue(str);
-    if (str != mesg) {
-	rb_iv_set(exc, "mesg", mesg = str);
-    }
-    OBJ_INFECT(mesg, exc);
-    return mesg;
+    return str;
 }
 
 /*
@@ -1131,7 +1126,6 @@ name_err_mesg_to_str(VALUE obj)
 	args[2] = d;
 	mesg = rb_f_sprintf(NAME_ERR_MESG_COUNT, args);
     }
-    OBJ_INFECT(mesg, obj);
     return mesg;
 }