diff --git a/meta-supermicro/conf/layer.conf b/meta-supermicro/conf/layer.conf
index f46b374..d3943d3 100644
--- a/meta-supermicro/conf/layer.conf
+++ b/meta-supermicro/conf/layer.conf
@@ -7,5 +7,5 @@
 
 BBFILE_COLLECTIONS += "supermicro-layer"
 BBFILE_PATTERN_supermicro-layer := "^${LAYERDIR}/"
-LAYERSERIES_COMPAT_supermicro-layer := "gatesgarth hardknott"
+LAYERSERIES_COMPAT_supermicro-layer := "hardknott"
 
diff --git a/meta-supermicro/meta-x11spi/conf/layer.conf b/meta-supermicro/meta-x11spi/conf/layer.conf
index d77e82e..83c64e4 100644
--- a/meta-supermicro/meta-x11spi/conf/layer.conf
+++ b/meta-supermicro/meta-x11spi/conf/layer.conf
@@ -8,4 +8,4 @@
 BBFILE_COLLECTIONS += "x11spi"
 BBFILE_PATTERN_x11spi = ""
 
-LAYERSERIES_COMPAT_x11spi = "gatesgarth hardknott"
+LAYERSERIES_COMPAT_x11spi = "hardknott"