diff --git a/json_object_iterator.h b/json_object_iterator.h
index a9b1433..86d3734 100644
--- a/json_object_iterator.h
+++ b/json_object_iterator.h
@@ -30,11 +30,6 @@
 extern "C" {
 #endif
 
-/**
- * Forward declaration for the opaque iterator information.
- */
-struct json_object_iter_info_;
-
 /**
  * The opaque iterator that references a name/value pair within
  * a JSON Object instance or the "end" iterator value.