diff --git a/docs/reference/gtk/gtk4-sections.txt b/docs/reference/gtk/gtk4-sections.txt
index 4c4c48d56e..ad134ee06f 100644
--- a/docs/reference/gtk/gtk4-sections.txt
+++ b/docs/reference/gtk/gtk4-sections.txt
@@ -2792,7 +2792,6 @@ gtk_spin_button_get_climb_rate
 gtk_spin_button_configure
 gtk_spin_button_spin
 gtk_spin_button_update
-gtk_spin_button_get_text_widget
 GTK_INPUT_ERROR
 <SUBSECTION Standard>
 GTK_SPIN_BUTTON
diff --git a/docs/reference/gtk/meson.build b/docs/reference/gtk/meson.build
index d0b40b41cb..cdd53d61e8 100644
--- a/docs/reference/gtk/meson.build
+++ b/docs/reference/gtk/meson.build
@@ -240,6 +240,7 @@ private_headers = [
   'gtksnapshotprivate.h',
   'gtksorterprivate.h',
   'gtksortkeysprivate.h',
+  'gtkspinbuttonprivate.h',
   'gtkstyleanimationprivate.h',
   'gtkstylecascadeprivate.h',
   'gtkstylecontextprivate.h',