diff --git a/drivers/platform/x86/intel_ips.c b/drivers/platform/x86/intel_ips.c
index a0d1f576cf406e0c292982ca1b29a40ae58f870b..c0242ed13d9eb8127d0056c22b62186367d5581a 100644
--- a/drivers/platform/x86/intel_ips.c
+++ b/drivers/platform/x86/intel_ips.c
@@ -269,7 +269,7 @@ struct ips_mcp_limits {
 
 /* Max temps are -10 degrees C to avoid PROCHOT# */
 
-struct ips_mcp_limits ips_sv_limits = {
+static struct ips_mcp_limits ips_sv_limits = {
 	.mcp_power_limit = 35000,
 	.core_power_limit = 29000,
 	.mch_power_limit = 20000,
@@ -277,7 +277,7 @@ struct ips_mcp_limits ips_sv_limits = {
 	.mch_temp_limit = 90
 };
 
-struct ips_mcp_limits ips_lv_limits = {
+static struct ips_mcp_limits ips_lv_limits = {
 	.mcp_power_limit = 25000,
 	.core_power_limit = 21000,
 	.mch_power_limit = 13000,
@@ -285,7 +285,7 @@ struct ips_mcp_limits ips_lv_limits = {
 	.mch_temp_limit = 90
 };
 
-struct ips_mcp_limits ips_ulv_limits = {
+static struct ips_mcp_limits ips_ulv_limits = {
 	.mcp_power_limit = 18000,
 	.core_power_limit = 14000,
 	.mch_power_limit = 11000,