diff --git a/src/device.c b/src/device.c
index f6357a0..c0d9395 100644
--- a/src/device.c
+++ b/src/device.c
@@ -203,6 +203,11 @@ static uint16_t uuid_list[] = {
 	0
 };
 
+static int device_browse_primary(struct btd_device *device, DBusMessage *msg,
+							gboolean secure);
+static int device_browse_sdp(struct btd_device *device, DBusMessage *msg,
+					uuid_t *search, gboolean reverse);
+
 static gboolean store_device_info_cb(gpointer user_data)
 {
 	struct btd_device *device = user_data;
@@ -3010,7 +3015,7 @@ static void att_browse_cb(gpointer user_data)
 							device->browse);
 }
 
-int device_browse_primary(struct btd_device *device, DBusMessage *msg,
+static int device_browse_primary(struct btd_device *device, DBusMessage *msg,
 								gboolean secure)
 {
 	struct btd_adapter *adapter = device->adapter;
@@ -3073,7 +3078,7 @@ done:
 	return 0;
 }
 
-int device_browse_sdp(struct btd_device *device, DBusMessage *msg,
+static int device_browse_sdp(struct btd_device *device, DBusMessage *msg,
 					uuid_t *search, gboolean reverse)
 {
 	struct btd_adapter *adapter = device->adapter;
diff --git a/src/device.h b/src/device.h
index cb0bb50..fbe18ef 100644
--- a/src/device.h
+++ b/src/device.h
@@ -40,10 +40,6 @@ uint16_t btd_device_get_version(struct btd_device *device);
 void device_remove(struct btd_device *device, gboolean remove_stored);
 gint device_address_cmp(struct btd_device *device, const gchar *address);
 gint device_bdaddr_cmp(struct btd_device *device, bdaddr_t *bdaddr);
-int device_browse_primary(struct btd_device *device, DBusMessage *msg,
-							gboolean secure);
-int device_browse_sdp(struct btd_device *device, DBusMessage *msg,
-					uuid_t *search, gboolean reverse);
 void device_probe_profiles(struct btd_device *device, GSList *profiles);
 const sdp_record_t *btd_device_get_record(struct btd_device *device,
 						const char *uuid);