diff --git a/keyboards/centromere/centromere.h b/keyboards/centromere/centromere.h
index 826e8dde4..d07a53b1a 100644
--- a/keyboards/centromere/centromere.h
+++ b/keyboards/centromere/centromere.h
@@ -45,3 +45,5 @@
     { KC_NO, KC_NO, k32, k33, k34, k35, k36, k37, KC_NO, KC_NO }, \
     { KC_NO, KC_NO, k2a, k1a, k0a, k0b, k1b, k2b, KC_NO, KC_NO }  \
   }
+
+#define LAYOUT_split_3x6_3 LAYOUT
diff --git a/keyboards/centromere/rules.mk b/keyboards/centromere/rules.mk
index fee99d363..866c33138 100644
--- a/keyboards/centromere/rules.mk
+++ b/keyboards/centromere/rules.mk
@@ -40,3 +40,5 @@ OPT_DEFS += -DCENTROMERE_PROMICRO
 
 # # project specific files
 SRC = matrix.c
+
+LAYOUTS = split_3x6_3
diff --git a/keyboards/crkbd/rev1/rev1.h b/keyboards/crkbd/rev1/rev1.h
index 5e90de72a..6580d73fe 100644
--- a/keyboards/crkbd/rev1/rev1.h
+++ b/keyboards/crkbd/rev1/rev1.h
@@ -52,3 +52,5 @@
                                             KC_##L30, KC_##L31, KC_##L32, KC_##R30, KC_##R31, KC_##R32 \
   )
 // clang-format on
+
+#define LAYOUT_split_3x6_3 LAYOUT
diff --git a/keyboards/crkbd/rev1/rules.mk b/keyboards/crkbd/rev1/rules.mk
index ab9bed09c..a921e6030 100644
--- a/keyboards/crkbd/rev1/rules.mk
+++ b/keyboards/crkbd/rev1/rules.mk
@@ -1,3 +1,5 @@
 SRC += 	matrix.c \
 		split_util.c \
 		split_scomm.c
+
+LAYOUTS = split_3x6_3