diff --git a/drivers/media/dvb-core/demux.h b/drivers/media/dvb-core/demux.h
index ca56d1cc57bd..53c82514ede5 100644
--- a/drivers/media/dvb-core/demux.h
+++ b/drivers/media/dvb-core/demux.h
@@ -411,10 +411,12 @@ struct dmx_demux {
 
 	int (*get_pes_pids) (struct dmx_demux* demux, u16 *pids);
 
+	/* private: Not used upstream and never documented */
+#if 0
 	int (*get_caps) (struct dmx_demux* demux, struct dmx_caps *caps);
-
 	int (*set_source) (struct dmx_demux* demux, const dmx_source_t *src);
-
+#endif
+	/* public: */
 	int (*get_stc) (struct dmx_demux* demux, unsigned int num,
 			u64 *stc, unsigned int *base);
 };
diff --git a/drivers/media/dvb-core/dmxdev.c b/drivers/media/dvb-core/dmxdev.c
index d0e3f9d85f34..86a987ef13e1 100644
--- a/drivers/media/dvb-core/dmxdev.c
+++ b/drivers/media/dvb-core/dmxdev.c
@@ -1023,6 +1023,9 @@ static int dvb_demux_do_ioctl(struct file *file,
 		dmxdev->demux->get_pes_pids(dmxdev->demux, parg);
 		break;
 
+#if 0
+	/* Not used upstream and never documented */
+
 	case DMX_GET_CAPS:
 		if (!dmxdev->demux->get_caps) {
 			ret = -EINVAL;
@@ -1038,6 +1041,7 @@ static int dvb_demux_do_ioctl(struct file *file,
 		}
 		ret = dmxdev->demux->set_source(dmxdev->demux, parg);
 		break;
+#endif
 
 	case DMX_GET_STC:
 		if (!dmxdev->demux->get_stc) {