diff --git a/doc/_templates/layout.html b/doc/_templates/layout.html
index 4480acb408af..e0481d0a68cd 100644
--- a/doc/_templates/layout.html
+++ b/doc/_templates/layout.html
@@ -63,7 +63,7 @@
             <li><a href="{{ pathto('devel/index') }}">Contributing</a></li>
             <li class="nav-right">
                 <form class="search" action="{{ pathto('search') }}" method="get">
-                <input type="text" name="q" aria-labelledby="searchlabel" placeholder="Search"/>
+                <input type="text" name="q" aria-labelledby="searchlabel" placeholder="Search" autocomplete="off" autocorrect="off" autocapitalize="off" spellcheck="false"/>
                 </form>
             </li>
         </ul>
diff --git a/doc/_templates/search.html b/doc/_templates/search.html
index 6e285090cc40..aacae3dac7c2 100644
--- a/doc/_templates/search.html
+++ b/doc/_templates/search.html
@@ -17,7 +17,7 @@ <h1 id="search-documentation">{{ _('Search') }}</h1>
     "codex ellipse".
   </p>
   <form action="" method="get">
-    <input type="text" name="q" value="" />
+    <input type="text" name="q" value="" autocomplete="off" autocorrect="off" autocapitalize="off" spellcheck="false"/>
     <input type="submit" value="{{ _('search') }}" />
     <span id="search-progress" style="padding-left: 10px"></span>
   </form>