4 files changed, 0 insertions, 41 deletions
diff --git a/doc/src/sgml/datatype.sgml b/doc/src/sgml/datatype.sgml
index d1d033178ff..410eaedcb7f 100644
--- a/doc/src/sgml/datatype.sgml
+++ b/doc/src/sgml/datatype.sgml
@@ -4827,10 +4827,6 @@ SELECT * FROM pg_attribute
     <primary>unknown</primary>
    </indexterm>
 
-   <indexterm zone="datatype-pseudo">
-    <primary>opaque</primary>
-   </indexterm>
-
    <para>
     The <productname>PostgreSQL</productname> type system contains a
     number of special-purpose entries that are collectively called
@@ -4953,12 +4949,6 @@ SELECT * FROM pg_attribute
         <entry>Identifies a not-yet-resolved type, e.g. of an undecorated
          string literal.</entry>
        </row>
-
-       <row>
-        <entry><type>opaque</type></entry>
-        <entry>An obsolete type name that formerly served many of the above
-         purposes.</entry>
-       </row>
       </tbody>
      </tgroup>
     </table>
diff --git a/doc/src/sgml/ref/create_language.sgml b/doc/src/sgml/ref/create_language.sgml
index af9d115edd5..2243ee6a6c6 100644
--- a/doc/src/sgml/ref/create_language.sgml
+++ b/doc/src/sgml/ref/create_language.sgml
@@ -211,16 +211,6 @@ CREATE [ OR REPLACE ] [ TRUSTED ] [ PROCEDURAL ] LANGUAGE <replaceable class="pa
    database, which will cause it to be available automatically in
    all subsequently-created databases.
   </para>
-
-  <para>
-   In <productname>PostgreSQL</productname> versions before 7.3, it was
-   necessary to declare handler functions as returning the placeholder
-   type <type>opaque</type>, rather than <type>language_handler</type>.
-   To support loading
-   of old dump files, <command>CREATE LANGUAGE</command> will accept a function
-   declared as returning <type>opaque</type>, but it will issue a notice and
-   change the function's declared return type to <type>language_handler</type>.
-  </para>
  </refsect1>
 
  <refsect1 id="sql-createlanguage-examples">
diff --git a/doc/src/sgml/ref/create_trigger.sgml b/doc/src/sgml/ref/create_trigger.sgml
index 3339a4b4e16..3b8f25ea4a5 100644
--- a/doc/src/sgml/ref/create_trigger.sgml
+++ b/doc/src/sgml/ref/create_trigger.sgml
@@ -543,15 +543,6 @@ UPDATE OF <replaceable>column_name1</replaceable> [, <replaceable>column_name2</
    row-level triggers with transition relations cannot be defined on
    partitions or inheritance child tables.
   </para>
-
-  <para>
-   In <productname>PostgreSQL</productname> versions before 7.3, it was
-   necessary to declare trigger functions as returning the placeholder
-   type <type>opaque</type>, rather than <type>trigger</type>.  To support loading
-   of old dump files, <command>CREATE TRIGGER</command> will accept a function
-   declared as returning <type>opaque</type>, but it will issue a notice and
-   change the function's declared return type to <type>trigger</type>.
-  </para>
  </refsect1>
 
  <refsect1 id="sql-createtrigger-examples">
diff --git a/doc/src/sgml/ref/create_type.sgml b/doc/src/sgml/ref/create_type.sgml
index 175315f3d7e..111f8e65d29 100644
--- a/doc/src/sgml/ref/create_type.sgml
+++ b/doc/src/sgml/ref/create_type.sgml
@@ -823,18 +823,6 @@ CREATE TYPE <replaceable class="parameter">name</replaceable>
    function is written in C.
   </para>
 
-  <para>
-   In <productname>PostgreSQL</productname> versions before 7.3, it
-   was customary to avoid creating a shell type at all, by replacing the
-   functions' forward references to the type name with the placeholder
-   pseudo-type <type>opaque</type>.  The <type>cstring</type> arguments and
-   results also had to be declared as <type>opaque</type> before 7.3.  To
-   support loading of old dump files, <command>CREATE TYPE</command> will
-   accept I/O functions declared using <type>opaque</type>, but it will issue
-   a notice and change the function declarations to use the correct
-   types.
-  </para>
-
  </refsect1>
 
  <refsect1>