diff --git a/lib/wpscan/wp_target/interesting_headers.rb b/lib/wpscan/wp_target/interesting_headers.rb
index c783c9ee..1cca2139 100644
--- a/lib/wpscan/wp_target/interesting_headers.rb
+++ b/lib/wpscan/wp_target/interesting_headers.rb
@@ -29,6 +29,7 @@ class WpTarget < WebSite
         Pragma
         Vary
         Cache-Control
+        X-Pingback
       }
     end
 
diff --git a/spec/shared_examples/wp_target/interesting_headers.rb b/spec/shared_examples/wp_target/interesting_headers.rb
index ac6c9ace..bd65c1be 100644
--- a/spec/shared_examples/wp_target/interesting_headers.rb
+++ b/spec/shared_examples/wp_target/interesting_headers.rb
@@ -3,7 +3,6 @@
 shared_examples 'WpTarget::InterestingHeaders' do
 
   let(:known_headers) { WpTarget::InterestingHeaders.known_headers }
-  let(:url) { 'http://localhost.com' }
 
   describe '#interesting_headers' do