diff --git a/include/libweston/libweston.h b/include/libweston/libweston.h
index 80c8116d..41db3037 100644
--- a/include/libweston/libweston.h
+++ b/include/libweston/libweston.h
@@ -2048,26 +2048,6 @@ weston_backend_init(struct weston_compositor *c,
 int
 weston_module_init(struct weston_compositor *compositor);
 
-void
-weston_transformed_coord(int width, int height,
-			 enum wl_output_transform transform,
-			 int32_t scale,
-			 float sx, float sy, float *bx, float *by);
-pixman_box32_t
-weston_transformed_rect(int width, int height,
-			enum wl_output_transform transform,
-			int32_t scale,
-			pixman_box32_t rect);
-void
-weston_matrix_transform_region(pixman_region32_t *dest,
-                               struct weston_matrix *matrix,
-                               pixman_region32_t *src);
-void
-weston_transformed_region(int width, int height,
-			  enum wl_output_transform transform,
-			  int32_t scale,
-			  pixman_region32_t *src, pixman_region32_t *dest);
-
 void *
 weston_load_module(const char *name, const char *entrypoint);
 
diff --git a/libweston/libweston-internal.h b/libweston/libweston-internal.h
index c9d2fb70..04c75457 100644
--- a/libweston/libweston-internal.h
+++ b/libweston/libweston-internal.h
@@ -291,4 +291,24 @@ void
 weston_view_move_to_plane(struct weston_view *view,
 			  struct weston_plane *plane);
 
+void
+weston_transformed_coord(int width, int height,
+			 enum wl_output_transform transform,
+			 int32_t scale,
+			 float sx, float sy, float *bx, float *by);
+pixman_box32_t
+weston_transformed_rect(int width, int height,
+			enum wl_output_transform transform,
+			int32_t scale,
+			pixman_box32_t rect);
+void
+weston_transformed_region(int width, int height,
+			  enum wl_output_transform transform,
+			  int32_t scale,
+			  pixman_region32_t *src, pixman_region32_t *dest);
+void
+weston_matrix_transform_region(pixman_region32_t *dest,
+			       struct weston_matrix *matrix,
+			       pixman_region32_t *src);
+
 #endif
diff --git a/libweston/screenshooter.c b/libweston/screenshooter.c
index 2c722a66..8c4eda3e 100644
--- a/libweston/screenshooter.c
+++ b/libweston/screenshooter.c
@@ -38,6 +38,7 @@
 #include <libweston/libweston.h>
 #include "shared/helpers.h"
 #include "shared/timespec-util.h"
+#include "libweston-internal.h"
 
 #include "wcap/wcap-decode.h"