diff --git a/gtk/gtkenums.h b/gtk/gtkenums.h
index 66b0de06bb..87f258a6aa 100644
--- a/gtk/gtkenums.h
+++ b/gtk/gtkenums.h
@@ -971,23 +971,6 @@ typedef enum
   GTK_SHORTCUT_SCOPE_GLOBAL
 } GtkShortcutScope;
 
-/**
- * GtkPopoverConstraint:
- * @GTK_POPOVER_CONSTRAINT_NONE: Don't constrain the popover position
- *   beyond what is imposed by the implementation
- * @GTK_POPOVER_CONSTRAINT_WINDOW: Constrain the popover to the boundaries
- *   of the window that it is attached to
- *
- * Describes constraints to positioning of popovers. More values
- * may be added to this enumeration in the future.
- */
-typedef enum
-{
-  GTK_POPOVER_CONSTRAINT_NONE,
-  GTK_POPOVER_CONSTRAINT_WINDOW
-} GtkPopoverConstraint;
-
-
 typedef enum {
   GTK_PLACES_OPEN_NORMAL     = 1 << 0,
   GTK_PLACES_OPEN_NEW_TAB    = 1 << 1,