diff --git a/keyboards/handwired/symmetric70_proto/post_rules.mk b/keyboards/handwired/symmetric70_proto/post_rules.mk
new file mode 100644
index 000000000..e2d35d60a
--- /dev/null
+++ b/keyboards/handwired/symmetric70_proto/post_rules.mk
@@ -0,0 +1,2 @@
+KEYBOARD_LOCAL_FEATURES_MK := $(dir $(lastword $(MAKEFILE_LIST)))local_features.mk
+include $(strip $(KEYBOARD_LOCAL_FEATURES_MK))
diff --git a/keyboards/handwired/symmetric70_proto/promicro/fast/rules.mk b/keyboards/handwired/symmetric70_proto/promicro/fast/rules.mk
index de489fcab..fbc1c3bb3 100644
--- a/keyboards/handwired/symmetric70_proto/promicro/fast/rules.mk
+++ b/keyboards/handwired/symmetric70_proto/promicro/fast/rules.mk
@@ -1,6 +1,3 @@
 CUSTOM_MATRIX = yes
 SRC += matrix_common.c
 SRC += matrix_fast/matrix.c
-
-KEYBOARD_LOCAL_FEATURES_MK := $(dir $(lastword $(MAKEFILE_LIST)))../../local_features.mk
-include $(KEYBOARD_LOCAL_FEATURES_MK)
diff --git a/keyboards/handwired/symmetric70_proto/promicro/normal/rules.mk b/keyboards/handwired/symmetric70_proto/promicro/normal/rules.mk
index 0b2b707ef..73192f4ff 100644
--- a/keyboards/handwired/symmetric70_proto/promicro/normal/rules.mk
+++ b/keyboards/handwired/symmetric70_proto/promicro/normal/rules.mk
@@ -1,6 +1,3 @@
 CUSTOM_MATRIX = yes
 SRC += matrix_common.c
 SRC += matrix_debug/matrix.c
-
-KEYBOARD_LOCAL_FEATURES_MK := $(dir $(lastword $(MAKEFILE_LIST)))../../local_features.mk
-include $(KEYBOARD_LOCAL_FEATURES_MK)
diff --git a/keyboards/handwired/symmetric70_proto/proton_c/fast/rules.mk b/keyboards/handwired/symmetric70_proto/proton_c/fast/rules.mk
index de489fcab..fbc1c3bb3 100644
--- a/keyboards/handwired/symmetric70_proto/proton_c/fast/rules.mk
+++ b/keyboards/handwired/symmetric70_proto/proton_c/fast/rules.mk
@@ -1,6 +1,3 @@
 CUSTOM_MATRIX = yes
 SRC += matrix_common.c
 SRC += matrix_fast/matrix.c
-
-KEYBOARD_LOCAL_FEATURES_MK := $(dir $(lastword $(MAKEFILE_LIST)))../../local_features.mk
-include $(KEYBOARD_LOCAL_FEATURES_MK)
diff --git a/keyboards/handwired/symmetric70_proto/proton_c/normal/rules.mk b/keyboards/handwired/symmetric70_proto/proton_c/normal/rules.mk
index 0b2b707ef..73192f4ff 100644
--- a/keyboards/handwired/symmetric70_proto/proton_c/normal/rules.mk
+++ b/keyboards/handwired/symmetric70_proto/proton_c/normal/rules.mk
@@ -1,6 +1,3 @@
 CUSTOM_MATRIX = yes
 SRC += matrix_common.c
 SRC += matrix_debug/matrix.c
-
-KEYBOARD_LOCAL_FEATURES_MK := $(dir $(lastword $(MAKEFILE_LIST)))../../local_features.mk
-include $(KEYBOARD_LOCAL_FEATURES_MK)