diff --git a/src/css.hh b/src/css.hh
index 90bedf4..64bf1a7 100644
--- a/src/css.hh
+++ b/src/css.hh
@@ -498,13 +498,6 @@ class CssStyleSheet {
             auto &&at( this Self &&self, const std::size_t index ) { return self.rules.at( index ); }
       };
 
-      class RuleMap : public lout::container::typed::HashTable
-                             <lout::object::ConstString, RuleList > {
-         public:
-            RuleMap () : lout::container::typed::HashTable
-               <lout::object::ConstString, RuleList > (true, true, 256) {};
-      };
-
       static const int ntags = HTML_NTAGS;
 
       using ElementTable= std::array< std::shared_ptr< RuleList >, ntags >;