diff --git a/solidity.pegjs b/solidity.pegjs
index 113372d..4b9d756 100755
--- a/solidity.pegjs
+++ b/solidity.pegjs
@@ -227,8 +227,7 @@ Keyword
   / WhileToken
 
 FutureReservedWord
-  = ClassToken
-  / ExportToken
+  = ExportToken
   / ExtendsToken
 
 Literal
@@ -458,7 +457,6 @@ Zs = [\u0020\u00A0\u1680\u2000-\u200A\u202F\u205F\u3000]
 AnonymousToken  = "anonymous"  !IdentifierPart
 AsToken         = "as"         !IdentifierPart
 BreakToken      = "break"      !IdentifierPart
-ClassToken      = "class"      !IdentifierPart
 ConstantToken   = "constant"   !IdentifierPart
 ContinueToken   = "continue"   !IdentifierPart
 ContractToken   = "contract"   !IdentifierPart
diff --git a/test/doc_examples.sol b/test/doc_examples.sol
index 2766c99..ebfeede 100755
--- a/test/doc_examples.sol
+++ b/test/doc_examples.sol
@@ -45,8 +45,9 @@ contract c {
 contract test {
     enum ActionChoices { GoLeft, GoRight, GoStraight, SitStill }
 
-    function test()
+    function test(uint class)
     {
+        require(class == 100);
         choices = ActionChoices.GoStraight;
     }
     function getChoice() returns (uint d)