diff --git a/chip/lm4/config_chip.h b/chip/lm4/config_chip.h
index 80b653274d..fd7c0cd2c3 100644
--- a/chip/lm4/config_chip.h
+++ b/chip/lm4/config_chip.h
@@ -87,7 +87,6 @@
 
 /* Optional features present on this chip */
 #define CONFIG_ADC
-#define CONFIG_FPU
 #define CONFIG_I2C
 #define CONFIG_LPC
 #define CONFIG_PECI
diff --git a/chip/npcx/config_chip.h b/chip/npcx/config_chip.h
index 7bf70c841e..d3adb1915c 100644
--- a/chip/npcx/config_chip.h
+++ b/chip/npcx/config_chip.h
@@ -79,7 +79,6 @@
 
 /* Optional features present on this chip */
 #define CONFIG_ADC
-#define CONFIG_FPU
 #define CONFIG_I2C
 #define CONFIG_PECI
 #define CONFIG_SWITCH