diff --git a/meta-raspberrypi/conf/layer.conf b/meta-raspberrypi/conf/layer.conf
index 98cd6f4..aa3174a 100644
--- a/meta-raspberrypi/conf/layer.conf
+++ b/meta-raspberrypi/conf/layer.conf
@@ -9,7 +9,7 @@
 BBFILE_PATTERN_raspberrypi := "^${LAYERDIR}/"
 BBFILE_PRIORITY_raspberrypi = "9"
 
-LAYERSERIES_COMPAT_raspberrypi = "sumo thud warrior zeus dunfell gatesgarth"
+LAYERSERIES_COMPAT_raspberrypi = "gatesgarth hardknott"
 
 # Additional license directories.
 LICENSE_PATH += "${LAYERDIR}/files/custom-licenses"