diff --git a/src/drivers/intel/fsp2_0/include/fsp/soc_binding.h b/src/drivers/intel/fsp2_0/include/fsp/soc_binding.h
index 952bc4c..ba3e289 100644
--- a/src/drivers/intel/fsp2_0/include/fsp/soc_binding.h
+++ b/src/drivers/intel/fsp2_0/include/fsp/soc_binding.h
@@ -28,7 +28,6 @@
 #include <FspmUpd.h>
 #include <FspsUpd.h>
 #if CONFIG(MRC_CACHE_USING_MRC_VERSION)
-#define BUILD_TIME_STAMP_SIZE 12
 #include <FspProducerDataHeader.h>
 #endif
 #if CONFIG(DISPLAY_FSP_VERSION_INFO)