diff --git a/lib/oga/xpath/parser.y b/lib/oga/xpath/parser.y
index ecce04a..98bce91 100644
--- a/lib/oga/xpath/parser.y
+++ b/lib/oga/xpath/parser.y
@@ -153,7 +153,6 @@ end
   # @param [String] data The input to parse.
   #
   def initialize(data)
-    @data  = data
     @lexer = Lexer.new(data)
   end