diff --git a/doc/lib/BackRestDoc/Custom/DocCustomRelease.pm b/doc/lib/BackRestDoc/Custom/DocCustomRelease.pm
index 016a9d8a0..e80353b5d 100644
--- a/doc/lib/BackRestDoc/Custom/DocCustomRelease.pm
+++ b/doc/lib/BackRestDoc/Custom/DocCustomRelease.pm
@@ -282,6 +282,9 @@ sub docGet
         # Get the release version
         my $strVersion = $oRelease->paramGet('version');
 
+        # Display versions in TOC?
+        my $bTOC = true;
+
         # Create a release section
         if ($strVersion =~ /dev$/)
         {
@@ -320,6 +323,7 @@ sub docGet
             }
 
             $iUnsupportedReleaseTotal++;
+            $bTOC = false;
         }
 
         # Format the date
@@ -345,7 +349,7 @@ sub docGet
         }
 
         # Add section and titles
-        my $oReleaseSection = $oSection->nodeAdd('section', undef, {id => $strVersion});
+        my $oReleaseSection = $oSection->nodeAdd('section', undef, {id => $strVersion, toc => !$bTOC ? 'n' : undef});
         $oReleaseSection->paramSet(XML_SECTION_PARAM_ANCHOR, XML_SECTION_PARAM_ANCHOR_VALUE_NOINHERIT);
 
         $oReleaseSection->nodeAdd('title')->textSet(
diff --git a/doc/lib/BackRestDoc/Html/DocHtmlPage.pm b/doc/lib/BackRestDoc/Html/DocHtmlPage.pm
index 40b82bf0f..1c4770eff 100644
--- a/doc/lib/BackRestDoc/Html/DocHtmlPage.pm
+++ b/doc/lib/BackRestDoc/Html/DocHtmlPage.pm
@@ -161,7 +161,7 @@ sub process
 
         $oPageBody->add($oChildSectionElement);
 
-        if (defined($oPageTocBody))
+        if (defined($oPageTocBody) && defined($oChildSectionTocElement))
         {
             $oPageTocBody->add($oChildSectionTocElement);
         }
@@ -456,7 +456,11 @@ sub sectionProcess
                 $self->sectionProcess($oChild, $strAnchor, $iDepth + 1);
 
             $oSectionBodyElement->add($oChildSectionElement);
-            $oSectionTocElement->add($oChildSectionTocElement);
+
+            if (defined($oChildSectionTocElement))
+            {
+                $oSectionTocElement->add($oChildSectionTocElement);
+            }
         }
         # Check if the child can be processed by a parent
         else
@@ -470,7 +474,7 @@ sub sectionProcess
     (
         $strOperation,
         {name => 'oSectionElement', value => $oSectionElement, trace => true},
-        {name => 'oSectionTocElement', value => $oSectionTocElement, trace => true}
+        {name => 'oSectionTocElement', value => $oSection->paramTest('toc', 'n') ? undef : $oSectionTocElement, trace => true}
     );
 }
 
diff --git a/doc/xml/release.xml b/doc/xml/release.xml
index 82eb64054..e4092469b 100644
--- a/doc/xml/release.xml
+++ b/doc/xml/release.xml
@@ -161,6 +161,12 @@
                         <p>Fixed minor documentation reproducibility issues related to binary paths.</p>
                     </release-item>
                 </release-bug-list>
+
+                <release-refactor-list>
+                    <release-item>
+                        <p>Suppress TOC for unsupported versions of <backrest/>.</p>
+                    </release-item>
+                </release-refactor-list>
             </release-doc-list>
         </release>