refactor(IWYU): fix includes for highlight_group.h (#26340)

3 files changed, 3 insertions, 6 deletions

diff --git a/src/nvim/eval/encode.h b/src/nvim/eval/encode.h
index 699956d8ac..11a0ce3932 100644
--- a/src/nvim/eval/encode.h
+++ b/src/nvim/eval/encode.h
@@ -5,7 +5,6 @@
 #include <stddef.h>
 #include <string.h>
 
-#include "nvim/eval.h"
 #include "nvim/eval/typval.h"
 #include "nvim/eval/typval_defs.h"
 #include "nvim/garray_defs.h"
diff --git a/src/nvim/event/defs.h b/src/nvim/event/defs.h
index 571f61dfdb..11563b99b6 100644
--- a/src/nvim/event/defs.h
+++ b/src/nvim/event/defs.h
@@ -3,14 +3,13 @@
 #include <assert.h>
 #include <stdarg.h>
 
-#define EVENT_HANDLER_MAX_ARGC 10
+enum { EVENT_HANDLER_MAX_ARGC = 10, };
 
 typedef void (*argv_callback)(void **argv);
 typedef struct message {
   argv_callback handler;
   void *argv[EVENT_HANDLER_MAX_ARGC];
 } Event;
-typedef void (*event_scheduler)(Event event, void *data);
 
 #define VA_EVENT_INIT(event, h, a) \
   do { \
diff --git a/src/nvim/highlight_group.h b/src/nvim/highlight_group.h
index ca7bd36271..8a4eb83827 100644
--- a/src/nvim/highlight_group.h
+++ b/src/nvim/highlight_group.h
@@ -1,13 +1,12 @@
 #pragma once
 
-#include "nvim/api/keysets_defs.h"
+#include "nvim/api/keysets_defs.h"  // IWYU pragma: keep
 #include "nvim/api/private/defs.h"  // IWYU pragma: keep
-#include "nvim/api/private/helpers.h"
 #include "nvim/cmdexpand_defs.h"  // IWYU pragma: keep
 #include "nvim/highlight_defs.h"
 #include "nvim/types_defs.h"  // IWYU pragma: keep
 
-#define MAX_HL_ID 20000   // maximum value for a highlight ID.
+enum { MAX_HL_ID = 20000, };  ///< maximum value for a highlight ID.
 
 typedef struct {
   char *name;