diff --git a/cogl/cogl/winsys/cogl-texture-pixmap-x11.c b/cogl/cogl/winsys/cogl-texture-pixmap-x11.c
index b7eafab64..98028c93c 100644
--- a/cogl/cogl/winsys/cogl-texture-pixmap-x11.c
+++ b/cogl/cogl/winsys/cogl-texture-pixmap-x11.c
@@ -566,23 +566,6 @@ cogl_texture_pixmap_x11_is_using_tfp_extension (CoglTexturePixmapX11 *tex_pixmap
   return !!tex_pixmap->winsys;
 }
 
-void
-cogl_texture_pixmap_x11_set_damage_object (CoglTexturePixmapX11 *tex_pixmap,
-                                           uint32_t damage,
-                                           CoglTexturePixmapX11ReportLevel
-                                                                  report_level)
-{
-  int damage_base;
-
-  _COGL_GET_CONTEXT (ctxt, NO_RETVAL);
-
-  g_return_if_fail (tex_pixmap->stereo_mode != COGL_TEXTURE_PIXMAP_RIGHT);
-
-  damage_base = _cogl_xlib_get_damage_base ();
-  if (damage_base >= 0)
-    set_damage_object_internal (ctxt, tex_pixmap, damage, report_level);
-}
-
 static CoglTexture *
 create_fallback_texture (CoglContext *ctx,
                          int width,
diff --git a/cogl/cogl/winsys/cogl-texture-pixmap-x11.h b/cogl/cogl/winsys/cogl-texture-pixmap-x11.h
index 844f0cd83..a445fca46 100644
--- a/cogl/cogl/winsys/cogl-texture-pixmap-x11.h
+++ b/cogl/cogl/winsys/cogl-texture-pixmap-x11.h
@@ -229,31 +229,6 @@ cogl_texture_pixmap_x11_update_area (CoglTexturePixmapX11 *texture,
 gboolean
 cogl_texture_pixmap_x11_is_using_tfp_extension (CoglTexturePixmapX11 *texture);
 
-/**
- * cogl_texture_pixmap_x11_set_damage_object:
- * @texture: A #CoglTexturePixmapX11 instance
- * @damage: A X11 Damage object or 0
- * @report_level: The report level which describes how to interpret
- *   the damage events. This should match the level that the damage
- *   object was created with.
- *
- * Sets the damage object that will be used to track automatic updates
- * to the @texture. Damage tracking can be disabled by passing 0 for
- * @damage. Otherwise this damage will replace the one used if %TRUE
- * was passed for automatic_updates to cogl_texture_pixmap_x11_new().
- *
- * Note that Cogl will subtract from the damage region as it processes
- * damage events.
- *
- * Since: 1.4
- * Stability: Unstable
- */
-void
-cogl_texture_pixmap_x11_set_damage_object (CoglTexturePixmapX11 *texture,
-                                           uint32_t damage,
-                                           CoglTexturePixmapX11ReportLevel
-                                                                  report_level);
-
 /**
  * cogl_is_texture_pixmap_x11:
  * @object: A pointer to a #CoglObject