diff --git a/drivers/staging/android/ion/heaps/ion_system_heap.c b/drivers/staging/android/ion/heaps/ion_system_heap.c
index 792cd130e493..054324784ab9 100644
--- a/drivers/staging/android/ion/heaps/ion_system_heap.c
+++ b/drivers/staging/android/ion/heaps/ion_system_heap.c
@@ -244,7 +244,7 @@ static struct ion_heap_ops system_heap_ops = {
 	.shrink = ion_system_heap_shrink,
 };
 
-struct ion_system_heap system_heap = {
+static struct ion_system_heap system_heap = {
 	.heap = {
 		.ops = &system_heap_ops,
 		.type = ION_HEAP_TYPE_SYSTEM,