diff --git a/keyboards/clueboard/66/keymaps/via/rules.mk b/keyboards/clueboard/66/keymaps/via/rules.mk
index e85bff46..7a497195 100644
--- a/keyboards/clueboard/66/keymaps/via/rules.mk
+++ b/keyboards/clueboard/66/keymaps/via/rules.mk
@@ -1,4 +1,4 @@
 # rules.mk overrides to enable VIA
 
 VIA_ENABLE = yes
-LINK_TIME_OPTIMIZATION_ENABLE = yes
\ No newline at end of file
+LTO_ENABLE = yes
diff --git a/keyboards/dz60/keymaps/via/rules.mk b/keyboards/dz60/keymaps/via/rules.mk
index ea9a831e..ca9fed0e 100644
--- a/keyboards/dz60/keymaps/via/rules.mk
+++ b/keyboards/dz60/keymaps/via/rules.mk
@@ -1,2 +1,2 @@
-LINK_TIME_OPTIMIZATION_ENABLE = yes
+LTO_ENABLE = yes
 VIA_ENABLE = yes
diff --git a/keyboards/id80/keymaps/via/rules.mk b/keyboards/id80/keymaps/via/rules.mk
index ea9a831e..ca9fed0e 100644
--- a/keyboards/id80/keymaps/via/rules.mk
+++ b/keyboards/id80/keymaps/via/rules.mk
@@ -1,2 +1,2 @@
-LINK_TIME_OPTIMIZATION_ENABLE = yes
+LTO_ENABLE = yes
 VIA_ENABLE = yes
diff --git a/keyboards/keebio/bdn9/keymaps/via/rules.mk b/keyboards/keebio/bdn9/keymaps/via/rules.mk
index aa554ae2..d96967a6 100644
--- a/keyboards/keebio/bdn9/keymaps/via/rules.mk
+++ b/keyboards/keebio/bdn9/keymaps/via/rules.mk
@@ -1,5 +1,5 @@
 VIA_ENABLE = yes
-LINK_TIME_OPTIMIZATION_ENABLE = yes
+LTO_ENABLE = yes
 MOUSEKEY_ENABLE = yes
 CONSOLE_ENABLE = yes
 COMMAND_ENABLE = no
diff --git a/keyboards/keebio/iris/keymaps/via/rules.mk b/keyboards/keebio/iris/keymaps/via/rules.mk
index 92f9671e..36b7ba9c 100644
--- a/keyboards/keebio/iris/keymaps/via/rules.mk
+++ b/keyboards/keebio/iris/keymaps/via/rules.mk
@@ -1,2 +1,2 @@
 VIA_ENABLE = yes
-LINK_TIME_OPTIMIZATION_ENABLE = yes
+LTO_ENABLE = yes
diff --git a/keyboards/keebio/quefrency/keymaps/via/rules.mk b/keyboards/keebio/quefrency/keymaps/via/rules.mk
index 540fc2ac..4b1bcabd 100644
--- a/keyboards/keebio/quefrency/keymaps/via/rules.mk
+++ b/keyboards/keebio/quefrency/keymaps/via/rules.mk
@@ -1,3 +1,3 @@
 VIA_ENABLE = yes
 CONSOLE_ENABLE = yes
-LINK_TIME_OPTIMIZATION_ENABLE = yes
+LTO_ENABLE = yes
diff --git a/keyboards/launchpad/keymaps/via/rules.mk b/keyboards/launchpad/keymaps/via/rules.mk
index 87843cb0..37484844 100644
--- a/keyboards/launchpad/keymaps/via/rules.mk
+++ b/keyboards/launchpad/keymaps/via/rules.mk
@@ -1,3 +1,3 @@
 VIA_ENABLE = yes
-LINK_TIME_OPTIMIZATION_ENABLE = yes
+LTO_ENABLE = yes
 RGBLIGHT_ENABLE = yes