diff --git a/src/soc/intel/skylake/include/soc/bootblock.h b/src/soc/intel/skylake/include/soc/bootblock.h
index bde941c12b..6b6af36504 100644
--- a/src/soc/intel/skylake/include/soc/bootblock.h
+++ b/src/soc/intel/skylake/include/soc/bootblock.h
@@ -10,7 +10,6 @@ void bootblock_cpu_init(void);
 void bootblock_pch_early_init(void);
 
 /* Bootblock post console init programming */
-void i2c_early_init(void);
 void bootblock_pch_init(void);
 void pch_early_iorange_init(void);
 void report_platform_info(void);
diff --git a/src/soc/intel/skylake/include/soc/romstage.h b/src/soc/intel/skylake/include/soc/romstage.h
index fe8bc21907..3772db4bc1 100644
--- a/src/soc/intel/skylake/include/soc/romstage.h
+++ b/src/soc/intel/skylake/include/soc/romstage.h
@@ -8,7 +8,7 @@
 void mainboard_memory_init_params(FSPM_UPD *mupd);
 void systemagent_early_init(void);
 void romstage_pch_init(void);
-int smbus_read_byte(unsigned int device, unsigned int address);
+
 /* Board type */
 enum board_type {
 	BOARD_TYPE_MOBILE  = 0,