diff --git a/doc/dox/config/pipewire-props.7.md b/doc/dox/config/pipewire-props.7.md
index 2dfe7abae..d7e6af820 100644
--- a/doc/dox/config/pipewire-props.7.md
+++ b/doc/dox/config/pipewire-props.7.md
@@ -812,18 +812,6 @@ Available values: PCM, AC3, DTS, MPEG, MPEG2-AAC, EAC3, TRUEHD, DTSHD
 Informative property.
 \endparblock
 
-@PAR@ node-prop  api.alsa.split.leader    # boolean
-\parblock
-\copybrief SPA_KEY_API_ALSA_SPLIT_LEADER
-Informative property.
-\endparblock
-
-@PAR@ node-prop  api.alsa.split.hw-channels  # int
-\parblock
-\copybrief SPA_KEY_API_ALSA_SPLIT_HW_CHANNELS
-Informative property.
-\endparblock
-
 @PAR@ node-prop  api.alsa.split.hw-position  # JSON
 \parblock
 \copybrief SPA_KEY_API_ALSA_SPLIT_HW_POSITION
diff --git a/spa/include/spa/utils/keys.h b/spa/include/spa/utils/keys.h
index b377b9127..12a8cfabd 100644
--- a/spa/include/spa/utils/keys.h
+++ b/spa/include/spa/utils/keys.h
@@ -80,12 +80,6 @@ extern "C" {
 									 * channels in an underlying PCM, listed in this
 									 * property. The \ref SPA_KEY_API_ALSA_PATH
 									 * contains the underlying split PCM. */
-#define SPA_KEY_API_ALSA_SPLIT_LEADER	"api.alsa.split.leader"		/**< (bool) This virtual device is split leader:
-									 * one of the split devices for the same split
-									 * PCM is selected as the leader. */
-#define SPA_KEY_API_ALSA_SPLIT_HW_CHANNELS \
-					"api.alsa.split.hw-channels"	/**< (int) Number of channels in the underlying
-									 * split PCM. */
 #define SPA_KEY_API_ALSA_SPLIT_HW_POSITION \
 					"api.alsa.split.hw-position"	/**< (SPA JSON list) Channel map of the
 									 * underlying split PCM. */
diff --git a/spa/plugins/alsa/acp/acp.c b/spa/plugins/alsa/acp/acp.c
index 2a596c0c5..7b49c8be6 100644
--- a/spa/plugins/alsa/acp/acp.c
+++ b/spa/plugins/alsa/acp/acp.c
@@ -235,9 +235,6 @@ static void init_device(pa_card *impl, pa_alsa_device *dev, pa_alsa_direction_t
 		struct spa_strbuf b;
 		int i;
 
-		pa_proplist_sets(dev->proplist, "api.alsa.split.leader", m->split->leader ? "true" : "false");
-		pa_proplist_setf(dev->proplist, "api.alsa.split.hw-channels", "%d", m->split->hw_channels);
-
 		spa_strbuf_init(&b, pos, sizeof(pos));
 		spa_strbuf_append(&b, "[");
 		for (i = 0; i < m->split->channels; ++i)