diff --git a/sys/dev/random/ivy.c b/sys/dev/random/ivy.c
index e1a42c4973c2..7784e8be3fc2 100644
--- a/sys/dev/random/ivy.c
+++ b/sys/dev/random/ivy.c
@@ -51,7 +51,7 @@ __FBSDID("$FreeBSD$");
 
 static int random_ivy_read(void *, int);
 
-struct random_hardware_source random_ivy = {
+static struct random_hardware_source random_ivy = {
 	.ident = "Hardware, Intel IvyBridge+ RNG",
 	.source = RANDOM_PURE_RDRAND,
 	.read = random_ivy_read
diff --git a/sys/dev/random/nehemiah.c b/sys/dev/random/nehemiah.c
index e134ad0519f5..c5235a4cf5e9 100644
--- a/sys/dev/random/nehemiah.c
+++ b/sys/dev/random/nehemiah.c
@@ -51,7 +51,7 @@ static void random_nehemiah_init(void);
 static void random_nehemiah_deinit(void);
 static int random_nehemiah_read(void *, int);
 
-struct random_hardware_source random_nehemiah = {
+static struct random_hardware_source random_nehemiah = {
 	.ident = "Hardware, VIA Nehemiah Padlock RNG",
 	.source = RANDOM_PURE_NEHEMIAH,
 	.read = random_nehemiah_read