diff --git a/assets/stylesheets/pages/_eigen3.scss b/assets/stylesheets/pages/_eigen3.scss
index f0145d90..e69de29b 100644
--- a/assets/stylesheets/pages/_eigen3.scss
+++ b/assets/stylesheets/pages/_eigen3.scss
@@ -1,82 +0,0 @@
-._eigen3 {
-    code, span.mlabel { @extend %label; }
-
-    .title { @extend h1; }
-
-    /* Breadcrumb Navigation */
-    div.ingroups {
-        font-size: 10pt;
-        text-align: left;
-    }
-
-    /* Method Title */
-    .memtitle {
-        padding: 6px;
-        @extend %heading-box;
-    }
-
-    /* begin Method Declearation */
-    .mdescLeft, .mdescRight, .memItemLeft, .memItemRight,
-    .memTemplItemLeft, .memTemplItemRight, .memtemplate, .memTemplParams {
-        border: none;
-        padding: 1px 8px 0 8px;
-    }
-
-    .memtemplate, .memTemplParams {
-        font-size: 80%;
-        color: var(--prismKeyword);
-    }
-
-    .memproto, dl.reflist dt {
-        border: 1px solid var(--boxBorder);
-        margin-bottom: 0.8em;
-    }
-
-    .memproto a.el, .memberdecls a.el {
-        color: var(--prismKeyword);
-        text-decoration: none;
-    }
-
-    .memdoc {
-        padding-left: 6px;
-    }
-
-    table.mlabels {
-        padding: 0;
-        margin: 0;
-        border: none;
-    }
-
-    td.mlabels-left, td.mlabels-right {
-        border: none;
-        padding: 0;
-        vertical-align: bottom;
-    }
-
-    td.mlabels-left {
-        width: 100%;
-    }
-
-    td.memSeparator {
-        line-height: 1px;
-        padding: 0px;
-    }
-
-    table.memname {
-        border: none;
-        margin-left: 6px;
-        margin-top: 0.5em;
-        th, td {
-            padding: 1px;
-            vertical-align: bottom;
-        }
-        tr, th, td {
-            border: none;
-        }
-    }
-
-    .paramname, .mlabels-left, .mlabels-right, .memtemplate, .memTemplParams {
-        white-space: nowrap;
-    }
-    /* end Method Declearation */
-}
diff --git a/lib/docs/filters/eigen3/clean_html.rb b/lib/docs/filters/eigen3/clean_html.rb
index 3cbe6bb2..3870566e 100644
--- a/lib/docs/filters/eigen3/clean_html.rb
+++ b/lib/docs/filters/eigen3/clean_html.rb
@@ -12,6 +12,12 @@ module Docs
         css('.top').remove
         css('.dynheader.closed').remove
         css('.permalink').remove
+        css('.groupheader').remove
+        css('.header').remove
+        css('#details').remove
+        css('*').each do |node|
+          node.remove_attribute('class')
+        end
         doc
       end
     end
diff --git a/lib/docs/scrapers/eigen3.rb b/lib/docs/scrapers/eigen3.rb
index e30fe54c..7ed3d1eb 100644
--- a/lib/docs/scrapers/eigen3.rb
+++ b/lib/docs/scrapers/eigen3.rb
@@ -15,7 +15,7 @@ module Docs
       code: 'https://gitlab.com/libeigen/eigen'
     }
 
-    html_filters.push 'eigen3/entries', 'eigen3/clean_html'
+    html_filters.push 'eigen3/entries', 'eigen3/clean_html', 'title'
 
     # Remove the `clean_text` because Doxygen are actually creating empty
     # anchor such as <a id="asd"></a> to do anchor link.. and that anchor