diff --git a/src/mainboard/google/rush/Makefile.inc b/src/mainboard/google/rush/Makefile.inc
index b66cd555fb..e4520c1750 100644
--- a/src/mainboard/google/rush/Makefile.inc
+++ b/src/mainboard/google/rush/Makefile.inc
@@ -36,6 +36,8 @@ romstage-y += reset.c
 romstage-y += romstage.c
 romstage-y += sdram_configs.c
 romstage-$(CONFIG_CHROMEOS) += chromeos.c
+romstage-y += ec_dummy.c
 
 ramstage-y += mainboard.c
 ramstage-$(CONFIG_CHROMEOS) += chromeos.c
+ramstage-y += ec_dummy.c
\ No newline at end of file
diff --git a/src/mainboard/google/rush/ec_dummy.c b/src/mainboard/google/rush/ec_dummy.c
new file mode 100644
index 0000000000..01a935c79f
--- /dev/null
+++ b/src/mainboard/google/rush/ec_dummy.c
@@ -0,0 +1,9 @@
+/* Dummy CHROMEEC file to provide stub functions for vboot compilation */
+
+#include <stdint.h>
+
+int google_chromeec_vbnv_context(int is_read, uint8_t *data, int len);
+int google_chromeec_vbnv_context(int is_read, uint8_t *data, int len)
+{
+	return 0;
+}