1 files changed, 5 insertions, 2 deletions
diff --git a/src/nvim/ui.h b/src/nvim/ui.h
index 7dd2f5bce3..9034e7b764 100644
--- a/src/nvim/ui.h
+++ b/src/nvim/ui.h
@@ -47,8 +47,6 @@ enum {
 
 typedef int LineFlags;
 
-EXTERN ArenaMem ui_ext_fixblk INIT(= NULL);
-
 struct ui_t {
   bool rgb;
   bool override;  ///< Force highest-requested UI capabilities.
@@ -71,6 +69,11 @@ struct ui_t {
   void (*inspect)(UI *ui, Dictionary *info);
 };
 
+typedef struct ui_event_callback {
+  LuaRef cb;
+  bool ext_widgets[kUIGlobalCount];
+} UIEventCallback;
+
 #ifdef INCLUDE_GENERATED_DECLARATIONS
 # include "ui.h.generated.h"