diff --git a/_config.yml b/_config.yml
--- a/_config.yml
+++ b/_config.yml
@@ -40,10 +40,6 @@
   zh_simple: "简体中文"
   zh_traditional: "繁体中文"
 
-# Image to show in the navigation bar - image must be a square (width = height)
-# Remove this parameter if you don't want an image in the navbar
-#avatar: "/img/avatar-icon.png"
-
 # If you want to have an image logo in the top-left corner instead of the title text,
 # then specify the following parameter
 title-img: "/img/avatar-icon-small.png"
@@ -164,7 +160,6 @@
       path: "" # all files
     values:
       layout: page
-      show-avatar: true
 
 # Use tags index page and make tags on each post clickable
 link-tags: true
diff --git a/_includes/head.html b/_includes/head.html
--- a/_includes/head.html
+++ b/_includes/head.html
@@ -85,8 +85,6 @@
 
   {% if page.share-img %}
   <meta property="og:image" content="{{ page.share-img }}" />
-  {% elsif site.avatar %}
-  <meta property="og:image" content="{{ site.url }}{{ site.avatar }}" />
   {% endif %}
 
 
@@ -113,8 +111,5 @@
 
   {% if page.share-img %}
   <meta name="twitter:image" content="{{ page.share-img }}" />
-  {% elsif site.avatar %}
-  <meta name="twitter:image" content="{{ site.url }}{{ site.avatar }}" />
   {% endif %}
-
 </head>
diff --git a/_includes/nav.html b/_includes/nav.html
--- a/_includes/nav.html
+++ b/_includes/nav.html
@@ -47,27 +47,8 @@
             {% include navbarlink.html link=link %}
           </li>
         {% endif %}
-        {% endfor %}
+      {% endfor %}
       </ul>
     </div>
-
-	{% if page.image and (layout.show-avatar or page.show-avatar) %}
-	<div class="avatar-container">
-	  <div class="avatar-img-border">
-	    <a href="{{ site.url }}">
-	      <img class="avatar-img" src="{{ page.image | prepend: site.baseurl | replace: '//', '/' }}" />
-		</a>
-	  </div>
-	</div>
-	{% elsif site.avatar and (layout.show-avatar or page.show-avatar) %}
-	<div class="avatar-container">
-	  <div class="avatar-img-border">
-	    <a href="{{ site.url }} ">
-	      <img class="avatar-img" src="{{ site.avatar | prepend: site.baseurl | replace: '//', '/' }}" />
-		</a>
-	  </div>
-	</div>
-	{% endif %}
-
   </div>
 </nav>
diff --git a/css/main.css b/css/main.css
--- a/css/main.css
+++ b/css/main.css
@@ -154,46 +154,6 @@
   }
 }
 
-.navbar-custom .avatar-container {
-  position: absolute;
-  left: 50%;
-  width: 50px;
-  margin-top: -25px;
-}
-.navbar-custom .avatar-container  .avatar-img-border {
-  width: 100%; 
-  margin-left: -50%;
-  display: inline-block;
-  box-shadow: 0 0 8px rgba(0, 0, 0, .8);
-  -webkit-box-shadow: 0 0 5px rgba(0, 0, 0, .8);
-  -moz-box-shadow: 0 0 8px rgba(0, 0, 0, .8);
-}
-.navbar-custom .avatar-container  .avatar-img {
-  width: 100%; 
-}
-
-.navbar-custom.top-nav-expanded .avatar-container  {
-  display: none;
-}
-
-@media only screen and (min-width: 768px) {
-  .navbar-custom .avatar-container {
-    width: 100px;
-    margin-top: -50px;
-  }
-
-  .navbar-custom .avatar-container  .avatar-img-border {
-    width: 100%;
-    box-shadow: 1px 1px 2px rgba(0, 0, 0, .8);
-    -webkit-box-shadow: 1px 1px 2px rgba(0, 0, 0, .8);
-    -moz-box-shadow: 1px 1px 2px rgba(0, 0, 0, .8);
-  }
-
-  .navbar-custom .avatar-container  .avatar-img {
-    width: 100%;
-  }
-}
-
 /* Multi-level navigation links */
 .navbar-custom .nav .navlinks-container {
   position: relative;
diff --git a/js/main.js b/js/main.js
--- a/js/main.js
+++ b/js/main.js
@@ -7,21 +7,11 @@
     $(window).scroll(function() {
         if ($(".navbar").offset().top > 50) {
             $(".navbar").addClass("top-nav-short");
-            $(".navbar-custom .avatar-container").fadeOut(500);
         } else {
             $(".navbar").removeClass("top-nav-short");
-            $(".navbar-custom .avatar-container").fadeIn(500);
         }
     });
 
-    // On mobile, hide the avatar when expanding the navbar menu
-    $('#main-navbar').on('show.bs.collapse', function () {
-      $(".navbar").addClass("top-nav-expanded");
-    });
-    $('#main-navbar').on('hidden.bs.collapse', function () {
-      $(".navbar").removeClass("top-nav-expanded");
-    });
-
     // On mobile, when clicking on a multi-level navbar menu, show the child links
     $('#main-navbar').on("click", ".navlinks-parent", function(e) {
       var target = e.target;