6 files changed, 10 insertions, 5 deletions
diff --git a/src/nvim/os/fs.h b/src/nvim/os/fs.h
index 4fe54215ba..aacb1c2f48 100644
--- a/src/nvim/os/fs.h
+++ b/src/nvim/os/fs.h
@@ -1,6 +1,6 @@
 #pragma once
 
-#include "nvim/os/fs_defs.h"
+#include "nvim/os/fs_defs.h"  // IWYU pragma: export
 #include "nvim/types.h"
 
 #ifdef INCLUDE_GENERATED_DECLARATIONS
diff --git a/src/nvim/os/os.h b/src/nvim/os/os.h
index ede9234865..84c4e6668e 100644
--- a/src/nvim/os/os.h
+++ b/src/nvim/os/os.h
@@ -7,6 +7,7 @@
 #include "nvim/cmdexpand_defs.h"
 #include "nvim/garray_defs.h"
 #include "nvim/os/fs_defs.h"
+#include "nvim/os/os_defs.h"  // IWYU pragma: export
 #include "nvim/os/stdpaths_defs.h"
 #include "nvim/types.h"
 
diff --git a/src/nvim/os/pty_process_unix.h b/src/nvim/os/pty_process_unix.h
index 344e0a3423..92cc582832 100644
--- a/src/nvim/os/pty_process_unix.h
+++ b/src/nvim/os/pty_process_unix.h
@@ -1,4 +1,5 @@
 #pragma once
+// IWYU pragma: private, include "nvim/os/pty_process.h"
 
 #include <stdint.h>
 #include <sys/ioctl.h>
diff --git a/src/nvim/os/pty_process_win.h b/src/nvim/os/pty_process_win.h
index 71190380fd..26cf387e54 100644
--- a/src/nvim/os/pty_process_win.h
+++ b/src/nvim/os/pty_process_win.h
@@ -1,4 +1,5 @@
 #pragma once
+// IWYU pragma: private, include "nvim/os/pty_process.h"
 
 #include <uv.h>
 
diff --git a/src/nvim/os/unix_defs.h b/src/nvim/os/unix_defs.h
index b90e306932..fe5dce5655 100644
--- a/src/nvim/os/unix_defs.h
+++ b/src/nvim/os/unix_defs.h
@@ -1,10 +1,11 @@
 #pragma once
+// IWYU pragma: private, include "nvim/os/os_defs.h"
 
-#include <sys/param.h>
-#include <sys/socket.h>
-#include <unistd.h>
+#include <sys/param.h>  // IWYU pragma: export
+#include <sys/socket.h>  // IWYU pragma: export
+#include <unistd.h>  // IWYU pragma: export
 #if defined(HAVE_TERMIOS_H)
-# include <termios.h>
+# include <termios.h>  // IWYU pragma: export
 #endif
 
 // POSIX.1-2008 says that NAME_MAX should be in here
diff --git a/src/nvim/os/win_defs.h b/src/nvim/os/win_defs.h
index e1bc1a727b..852059f78b 100644
--- a/src/nvim/os/win_defs.h
+++ b/src/nvim/os/win_defs.h
@@ -1,4 +1,5 @@
 #pragma once
+// IWYU pragma: private, include "nvim/os/os_defs.h"
 
 #ifndef MSWIN
 # error Header must be included only when compiling for Windows.