diff --git a/libqpdf/JSONHandler.cc b/libqpdf/JSONHandler.cc
index d602193..a3ff455 100644
--- a/libqpdf/JSONHandler.cc
+++ b/libqpdf/JSONHandler.cc
@@ -4,6 +4,25 @@
 #include <qpdf/QTC.hh>
 #include <qpdf/QUtil.hh>
 
+struct Handlers
+{
+    Handlers() = default;
+
+    JSONHandler::json_handler_t any_handler{nullptr};
+    JSONHandler::void_handler_t null_handler{nullptr};
+    JSONHandler::string_handler_t string_handler{nullptr};
+    JSONHandler::string_handler_t number_handler{nullptr};
+    JSONHandler::bool_handler_t bool_handler{nullptr};
+    JSONHandler::json_handler_t dict_start_handler{nullptr};
+    JSONHandler::void_handler_t dict_end_handler{nullptr};
+    JSONHandler::json_handler_t array_start_handler{nullptr};
+    JSONHandler::void_handler_t array_end_handler{nullptr};
+    JSONHandler::void_handler_t final_handler{nullptr};
+    std::map<std::string, std::shared_ptr<JSONHandler>> dict_handlers;
+    std::shared_ptr<JSONHandler> fallback_dict_handler;
+    std::shared_ptr<JSONHandler> array_item_handler;
+};
+
 class JSONHandler::Members
 {
     friend class JSONHandler;
diff --git a/libqpdf/qpdf/JSONHandler.hh b/libqpdf/qpdf/JSONHandler.hh
index 6439ff1..653924f 100644
--- a/libqpdf/qpdf/JSONHandler.hh
+++ b/libqpdf/qpdf/JSONHandler.hh
@@ -53,24 +53,6 @@ class JSONHandler
 
     static void usage(std::string const& msg);
 
-    struct Handlers
-    {
-        Handlers() = default;
-
-        json_handler_t any_handler{nullptr};
-        void_handler_t null_handler{nullptr};
-        string_handler_t string_handler{nullptr};
-        string_handler_t number_handler{nullptr};
-        bool_handler_t bool_handler{nullptr};
-        json_handler_t dict_start_handler{nullptr};
-        void_handler_t dict_end_handler{nullptr};
-        json_handler_t array_start_handler{nullptr};
-        void_handler_t array_end_handler{nullptr};
-        void_handler_t final_handler{nullptr};
-        std::map<std::string, std::shared_ptr<JSONHandler>> dict_handlers;
-        std::shared_ptr<JSONHandler> fallback_dict_handler;
-        std::shared_ptr<JSONHandler> array_item_handler;
-    };
 
     class Members;