diff --git a/libgimp/gimplayer.c b/libgimp/gimplayer.c
index 7b5f40c0b8..3a33500c07 100644
--- a/libgimp/gimplayer.c
+++ b/libgimp/gimplayer.c
@@ -206,8 +206,6 @@ gimp_layer_new_from_pixbuf (gint32                image_ID,
  * @image_ID:        The RGB image to which to add the layer.
  * @name:            The layer name.
  * @cairo_surface_t: A Cairo image surface.
- * @opacity:         The layer opacity.
- * @mode:            The layer combination mode.
  * @progress_start:  start of progress
  * @progress_end:    end of progress
  *
@@ -229,8 +227,6 @@ gint32
 gimp_layer_new_from_surface (gint32                image_ID,
                              const gchar          *name,
                              cairo_surface_t      *surface,
-                             gdouble               opacity,
-                             GimpLayerModeEffects  mode,
                              gdouble               progress_start,
                              gdouble               progress_end)
 {
@@ -271,7 +267,7 @@ gimp_layer_new_from_surface (gint32                image_ID,
   layer = gimp_layer_new (image_ID, name, width, height,
                           format == CAIRO_FORMAT_RGB24 ?
                           GIMP_RGB_IMAGE : GIMP_RGBA_IMAGE,
-                          opacity, mode);
+                          100.0, GIMP_NORMAL_MODE);
 
   if (layer == -1)
     return -1;
diff --git a/libgimp/gimplayer.h b/libgimp/gimplayer.h
index 22d4ad3892..b51ebd7528 100644
--- a/libgimp/gimplayer.h
+++ b/libgimp/gimplayer.h
@@ -45,8 +45,6 @@ gint32   gimp_layer_new_from_pixbuf    (gint32                image_ID,
 gint32   gimp_layer_new_from_surface   (gint32                image_ID,
                                         const gchar          *name,
                                         cairo_surface_t      *surface,
-                                        gdouble               opacity,
-                                        GimpLayerModeEffects  mode,
                                         gdouble               progress_start,
                                         gdouble               progress_end);
 
diff --git a/plug-ins/common/file-pdf-load.c b/plug-ins/common/file-pdf-load.c
index 75f0d6d718..5a29a82881 100644
--- a/plug-ins/common/file-pdf-load.c
+++ b/plug-ins/common/file-pdf-load.c
@@ -761,7 +761,6 @@ layer_from_surface (gint32           image,
                     gdouble          progress_scale)
 {
   gint32 layer = gimp_layer_new_from_surface (image, layer_name, surface,
-                                              100.0, GIMP_NORMAL_MODE,
                                               progress_start,
                                               progress_start + progress_scale);