diff --git a/src/xrt/compositor/client/comp_gl_client.c b/src/xrt/compositor/client/comp_gl_client.c
index e1ef70a67..6738c802c 100644
--- a/src/xrt/compositor/client/comp_gl_client.c
+++ b/src/xrt/compositor/client/comp_gl_client.c
@@ -163,8 +163,7 @@ client_gl_compositor_layer_stereo_projection(struct xrt_compositor *xc,
 	struct client_gl_compositor *c = client_gl_compositor(xc);
 	struct xrt_swapchain *l_xscn, *r_xscn;
 
-	assert(data->type == XRT_LAYER_STEREO_PROJECTION ||
-	       data->type == XRT_LAYER_STEREO_PROJECTION_DEPTH);
+	assert(data->type == XRT_LAYER_STEREO_PROJECTION);
 
 	l_xscn = &client_gl_swapchain(l_xsc)->xscn->base;
 	r_xscn = &client_gl_swapchain(r_xsc)->xscn->base;
diff --git a/src/xrt/compositor/client/comp_vk_client.c b/src/xrt/compositor/client/comp_vk_client.c
index 51da6ecb5..773c3ff46 100644
--- a/src/xrt/compositor/client/comp_vk_client.c
+++ b/src/xrt/compositor/client/comp_vk_client.c
@@ -249,8 +249,7 @@ client_vk_compositor_layer_stereo_projection(struct xrt_compositor *xc,
 	struct client_vk_compositor *c = client_vk_compositor(xc);
 	struct xrt_swapchain *l_xscn, *r_xscn;
 
-	assert(data->type == XRT_LAYER_STEREO_PROJECTION ||
-	       data->type == XRT_LAYER_STEREO_PROJECTION_DEPTH);
+	assert(data->type == XRT_LAYER_STEREO_PROJECTION);
 
 	l_xscn = &client_vk_swapchain(l_xsc)->xscn->base;
 	r_xscn = &client_vk_swapchain(r_xsc)->xscn->base;
diff --git a/src/xrt/ipc/ipc_client_compositor.c b/src/xrt/ipc/ipc_client_compositor.c
index 8be25c968..ddd196cb2 100644
--- a/src/xrt/ipc/ipc_client_compositor.c
+++ b/src/xrt/ipc/ipc_client_compositor.c
@@ -480,6 +480,8 @@ ipc_compositor_layer_stereo_projection(struct xrt_compositor *xc,
 {
 	struct ipc_client_compositor *icc = ipc_client_compositor(xc);
 
+	assert(data->type == XRT_LAYER_STEREO_PROJECTION);
+
 	struct ipc_shared_memory *ism = icc->ipc_c->ism;
 	struct ipc_layer_slot *slot = &ism->slots[icc->layers.slot_id];
 	struct ipc_layer_entry *layer = &slot->layers[icc->layers.num_layers];