diff --git a/src/soc/intel/common/block/cse/cse.c b/src/soc/intel/common/block/cse/cse.c
index 302e6dec05..e4fc6e4ff1 100644
--- a/src/soc/intel/common/block/cse/cse.c
+++ b/src/soc/intel/common/block/cse/cse.c
@@ -69,7 +69,7 @@
 #define MEI_HDR_CSE_ADDR	(((1 << 8) - 1) << MEI_HDR_CSE_ADDR_START)
 
 
-struct cse_device {
+static struct cse_device {
 	uintptr_t sec_bar;
 } g_cse CAR_GLOBAL;