diff --git a/src/ec/google/chromeec/Makefile.inc b/src/ec/google/chromeec/Makefile.inc
index 5bc9268067..02fea70ed2 100644
--- a/src/ec/google/chromeec/Makefile.inc
+++ b/src/ec/google/chromeec/Makefile.inc
@@ -8,4 +8,3 @@ romstage-y += ec.c
 romstage-$(CONFIG_EC_GOOGLE_CHROMEEC_I2C) += ec_i2c.c
 romstage-$(CONFIG_EC_GOOGLE_CHROMEEC_LPC) += ec_lpc.c
 
-CFLAGS += -I $(call strip_quotes,$(CONFIG_EC_GOOGLE_API_ROOT))