diff --git a/lib/asciidoctor/chat-block-processor/extension.rb b/lib/asciidoctor/chat-block-processor/extension.rb
index cfa3f4f..a1f224d 100644
--- a/lib/asciidoctor/chat-block-processor/extension.rb
+++ b/lib/asciidoctor/chat-block-processor/extension.rb
@@ -18,7 +18,7 @@ class ChatBlock < Asciidoctor::Extensions::BlockProcessor
     attrs['name'] ||= attrs['avatar']
 
     block << (create_html_fragment block, %(
-      <div role="figure" class="dialogblock dialogblock__box dialogblock__avatar--#{attrs['avatar']} #{attrs['role']}" title="#{attrs['avatar']}">
+      <div role="figure" class="dialogblock dialogblock__box dialogblock__avatar--#{attrs['avatar']} #{attrs['role']}">
         <div class="dialogblock dialogblock__avatar">
     ))