diff --git a/lib/common/models/wp_plugin/vulnerable.rb b/lib/common/models/wp_plugin/vulnerable.rb
index c19e6c07..f9eb4ac3 100644
--- a/lib/common/models/wp_plugin/vulnerable.rb
+++ b/lib/common/models/wp_plugin/vulnerable.rb
@@ -2,19 +2,14 @@
 
 class WpPlugin < WpItem
   module Vulnerable
-
     # @return [ String ] The path to the file containing vulnerabilities
     def vulns_file
-      unless @vulns_file
-        @vulns_file = PLUGINS_FILE
-      end
-      @vulns_file
+      @vulns_file ||= PLUGINS_FILE
     end
 
     # @return [ String ]
     def identifier
       @name
     end
-
   end
 end
diff --git a/lib/common/models/wp_theme/vulnerable.rb b/lib/common/models/wp_theme/vulnerable.rb
index 60e5560c..a38bfd80 100644
--- a/lib/common/models/wp_theme/vulnerable.rb
+++ b/lib/common/models/wp_theme/vulnerable.rb
@@ -2,13 +2,9 @@
 
 class WpTheme < WpItem
   module Vulnerable
-
     # @return [ String ] The path to the file containing vulnerabilities
     def vulns_file
-      unless @vulns_file
-        @vulns_file = THEMES_FILE
-      end
-      @vulns_file
+      @vulns_file ||= THEMES_FILE
     end
 
     # @return [ String ]
diff --git a/lib/common/models/wp_version/vulnerable.rb b/lib/common/models/wp_version/vulnerable.rb
index da23790b..53b56ad3 100644
--- a/lib/common/models/wp_version/vulnerable.rb
+++ b/lib/common/models/wp_version/vulnerable.rb
@@ -2,13 +2,9 @@
 
 class WpVersion < WpItem
   module Vulnerable
-
     # @return [ String ] The path to the file containing vulnerabilities
     def vulns_file
-      unless @vulns_file
-        @vulns_file = WORDPRESSES_FILE
-      end
-      @vulns_file
+      @vulns_file ||= WORDPRESSES_FILE
     end
 
     # @return [ String ]