diff --git a/sound/soc/intel/sst/sst_acpi.c b/sound/soc/intel/sst/sst_acpi.c
index b261821..f94f007 100644
--- a/sound/soc/intel/sst/sst_acpi.c
+++ b/sound/soc/intel/sst/sst_acpi.c
@@ -121,7 +121,7 @@
 	.acpi_ipc_irq_index = 5,
 };
 
-struct sst_platform_info byt_rvp_platform_data = {
+static struct sst_platform_info byt_rvp_platform_data = {
 	.probe_data = &byt_fwparse_info,
 	.ipc_info = &byt_ipc_info,
 	.lib_info = &byt_lib_dnld_info,