diff --git a/doc/src/sgml/libpq.sgml b/doc/src/sgml/libpq.sgml
index 1dc2803020c..f7bd9650af1 100644
--- a/doc/src/sgml/libpq.sgml
+++ b/doc/src/sgml/libpq.sgml
@@ -7996,9 +7996,8 @@ ldap://ldap.acme.com/cn=dbserver,cn=hosts?pgconnectinfo?base?(objectclass=*)
    that the <literal>libssl</> and/or <literal>libcrypto</> libraries
    have been initialized by your application, so that
    <application>libpq</application> will not also initialize those libraries.
-   <!-- If this URL changes replace it with a URL to www.archive.org. -->
    See <ulink
-   url="http://h71000.www7.hp.com/doc/83final/ba554_90007/ch04.html"></ulink>
+   url="http://h41379.www4.hpe.com/doc/83final/ba554_90007/ch04.html"></ulink>
    for details on the SSL API.
   </para>
 
diff --git a/doc/src/sgml/pgcrypto.sgml b/doc/src/sgml/pgcrypto.sgml
index ae24b05ea51..f3477dc2233 100644
--- a/doc/src/sgml/pgcrypto.sgml
+++ b/doc/src/sgml/pgcrypto.sgml
@@ -1344,10 +1344,6 @@ gen_random_uuid() returns uuid
      <para><ulink url="http://jlcooke.ca/random/"></ulink></para>
      <para>Jean-Luc Cooke Fortuna-based <filename>/dev/random</> driver for Linux.</para>
     </listitem>
-    <listitem>
-     <para><ulink url="http://kodu.ut.ee/~lipmaa/crypto/"></ulink></para>
-     <para>Collection of cryptology pointers.</para>
-    </listitem>
    </itemizedlist>
   </sect3>
  </sect2>
diff --git a/doc/src/sgml/runtime.sgml b/doc/src/sgml/runtime.sgml
index f07cae472f1..942c23ca772 100644
--- a/doc/src/sgml/runtime.sgml
+++ b/doc/src/sgml/runtime.sgml
@@ -2265,9 +2265,8 @@ pg_dumpall -p 5432 | psql -d postgres -p 5433
    intermediate certificates were created with <literal>v3_ca</>
    extensions).  Certificate Revocation List (CRL) entries are also
    checked if the parameter <xref linkend="guc-ssl-crl-file"> is set.
-   <!-- If this URL changes replace it with a URL to www.archive.org. -->
    (See <ulink
-   url="http://h71000.www7.hp.com/doc/83final/ba554_90007/ch04s02.html"></>
+   url="http://h41379.www4.hpe.com/doc/83final/ba554_90007/ch04s02.html"></>
    for diagrams showing SSL certificate usage.)
   </para>