diff --git a/include/drm/drm_encoder_slave.h b/include/drm/drm_encoder_slave.h
index e5e5c94..2f65633 100644
--- a/include/drm/drm_encoder_slave.h
+++ b/include/drm/drm_encoder_slave.h
@@ -154,7 +154,7 @@
  */
 static inline void drm_i2c_encoder_unregister(struct drm_i2c_encoder_driver *driver)
 {
-	return i2c_del_driver(&driver->i2c_driver);
+	i2c_del_driver(&driver->i2c_driver);
 }
 
 void drm_i2c_encoder_destroy(struct drm_encoder *encoder);