diff --git a/drivers/video/omap2/dss/core.c b/drivers/video/omap2/dss/core.c
index 3a8047a9e76b..5fbf9e845fe1 100644
--- a/drivers/video/omap2/dss/core.c
+++ b/drivers/video/omap2/dss/core.c
@@ -54,6 +54,9 @@ unsigned int dss_debug;
 module_param_named(debug, dss_debug, bool, 0644);
 #endif
 
+static int omap_dss_register_device(struct omap_dss_device *);
+static void omap_dss_unregister_device(struct omap_dss_device *);
+
 /* REGULATORS */
 
 struct regulator *dss_get_vdds_dsi(void)
@@ -480,7 +483,7 @@ static void omap_dss_dev_release(struct device *dev)
 	reset_device(dev, 0);
 }
 
-int omap_dss_register_device(struct omap_dss_device *dssdev)
+static int omap_dss_register_device(struct omap_dss_device *dssdev)
 {
 	static int dev_num;
 
@@ -494,7 +497,7 @@ int omap_dss_register_device(struct omap_dss_device *dssdev)
 	return device_register(&dssdev->dev);
 }
 
-void omap_dss_unregister_device(struct omap_dss_device *dssdev)
+static void omap_dss_unregister_device(struct omap_dss_device *dssdev)
 {
 	device_unregister(&dssdev->dev);
 }
diff --git a/include/video/omapdss.h b/include/video/omapdss.h
index f0789292c7c2..4beaee19f5f9 100644
--- a/include/video/omapdss.h
+++ b/include/video/omapdss.h
@@ -523,9 +523,6 @@ struct omap_dss_driver {
 int omap_dss_register_driver(struct omap_dss_driver *);
 void omap_dss_unregister_driver(struct omap_dss_driver *);
 
-int omap_dss_register_device(struct omap_dss_device *);
-void omap_dss_unregister_device(struct omap_dss_device *);
-
 void omap_dss_get_device(struct omap_dss_device *dssdev);
 void omap_dss_put_device(struct omap_dss_device *dssdev);
 #define for_each_dss_dev(d) while ((d = omap_dss_get_next_device(d)) != NULL)