diff --git a/modules/auxiliary/gather/http_pdf_authors.rb b/modules/auxiliary/gather/http_pdf_authors.rb
index 3217609ca2..37581554c3 100644
--- a/modules/auxiliary/gather/http_pdf_authors.rb
+++ b/modules/auxiliary/gather/http_pdf_authors.rb
@@ -41,7 +41,7 @@ class MetasploitModule < Msf::Auxiliary
         OptEnum.new('URL_TYPE', [ true, 'The type of URL(s) specified', 'html', [ 'pdf', 'html' ] ]),
         OptBool.new('STORE_LOOT', [ false, 'Store authors in loot', true ])
       ])
-    deregister_options 'RHOST', 'RPORT', 'VHOST'
+    deregister_options 'RHOST', 'RHOSTS', 'RPORT', 'VHOST', 'SSL'
   end
 
   def progress(current, total)
diff --git a/modules/auxiliary/gather/searchengine_subdomains_collector.rb b/modules/auxiliary/gather/searchengine_subdomains_collector.rb
index d4e0fe1e44..ac7eefeeaa 100644
--- a/modules/auxiliary/gather/searchengine_subdomains_collector.rb
+++ b/modules/auxiliary/gather/searchengine_subdomains_collector.rb
@@ -25,7 +25,7 @@ class MetasploitModule < Msf::Auxiliary
         OptBool.new('ENUM_YAHOO', [ true, "Enable Yahoo Search Subdomains", true])
       ])
 
-    deregister_options('RHOST', 'RPORT', 'VHOST', 'SSL', 'Proxies')
+    deregister_options('RHOST', 'RHOSTS', 'RPORT', 'VHOST', 'SSL', 'Proxies')
   end
 
   def rhost_yahoo