diff --git a/soc/ite/ec/it8xxx2/Kconfig b/soc/ite/ec/it8xxx2/Kconfig
index 5043f1fa3b2..0e7e4751b5e 100644
--- a/soc/ite/ec/it8xxx2/Kconfig
+++ b/soc/ite/ec/it8xxx2/Kconfig
@@ -193,7 +193,6 @@ config SOC_IT8XXX2_FLASH_SIZE_BYTES
 
 config ILM_MAX_SIZE
 	int "ILM Size in kB"
-	default 60 if SOC_IT81202CX || SOC_IT81302CX
 	default SRAM_SIZE
 
 endif # SOC_SERIES_IT8XXX2
diff --git a/soc/ite/ec/it8xxx2/Kconfig.defconfig.it81202cx b/soc/ite/ec/it8xxx2/Kconfig.defconfig.it81202cx
index 91f992f076e..abbeecd53d6 100644
--- a/soc/ite/ec/it8xxx2/Kconfig.defconfig.it81202cx
+++ b/soc/ite/ec/it8xxx2/Kconfig.defconfig.it81202cx
@@ -3,6 +3,9 @@
 
 if SOC_IT81202CX
 
+config ILM_MAX_SIZE
+	default 60
+
 config SOC_IT8XXX2_GPIO_GROUP_K_L_DEFAULT_PULL_DOWN
 	default y
 
diff --git a/soc/ite/ec/it8xxx2/Kconfig.defconfig.it81302cx b/soc/ite/ec/it8xxx2/Kconfig.defconfig.it81302cx
index 85e1a212f6a..c6d9608490d 100644
--- a/soc/ite/ec/it8xxx2/Kconfig.defconfig.it81302cx
+++ b/soc/ite/ec/it8xxx2/Kconfig.defconfig.it81302cx
@@ -3,6 +3,9 @@
 
 if SOC_IT81302CX
 
+config ILM_MAX_SIZE
+	default 60
+
 config SOC_IT8XXX2_GPIO_GROUP_K_L_DEFAULT_PULL_DOWN
 	default n