diff --git a/src/device.c b/src/device.c
index ee7fc54..50810b4 100644
--- a/src/device.c
+++ b/src/device.c
@@ -3484,7 +3484,7 @@ void device_set_rssi(struct btd_device *device, int8_t rssi)
 						DEVICE_INTERFACE, "RSSI");
 }
 
-void device_set_auto_connect(struct btd_device *device, gboolean enable)
+static void device_set_auto_connect(struct btd_device *device, gboolean enable)
 {
 	char addr[18];
 
diff --git a/src/device.h b/src/device.h
index 102f21f..83e5ef3 100644
--- a/src/device.h
+++ b/src/device.h
@@ -71,7 +71,6 @@ void device_set_temporary(struct btd_device *device, gboolean temporary);
 void device_set_bonded(struct btd_device *device, gboolean bonded);
 void device_set_legacy(struct btd_device *device, bool legacy);
 void device_set_rssi(struct btd_device *device, int8_t rssi);
-void device_set_auto_connect(struct btd_device *device, gboolean enable);
 gboolean device_is_connected(struct btd_device *device);
 void device_bonding_complete(struct btd_device *device, uint8_t status);
 gboolean device_is_bonding(struct btd_device *device, const char *sender);