diff --git a/mt7921/mt7921.h b/mt7921/mt7921.h
index efeb82cbb..d2d45f381 100644
--- a/mt7921/mt7921.h
+++ b/mt7921/mt7921.h
@@ -272,7 +272,6 @@ mt7921_hw_dev(struct ieee80211_hw *hw)
 	mt76_connac_mutex_release(&(dev)->mt76, &(dev)->pm)
 
 extern const struct ieee80211_ops mt7921_ops;
-extern struct pci_driver mt7921_pci_driver;
 
 u32 mt7921_reg_map(struct mt7921_dev *dev, u32 addr);
 
diff --git a/mt7921/pci.c b/mt7921/pci.c
index 23361a505..06af35250 100644
--- a/mt7921/pci.c
+++ b/mt7921/pci.c
@@ -489,7 +489,7 @@ static int mt7921_pci_resume(struct pci_dev *pdev)
 }
 #endif /* CONFIG_PM */
 
-struct pci_driver mt7921_pci_driver = {
+static struct pci_driver mt7921_pci_driver = {
 	.name		= KBUILD_MODNAME,
 	.id_table	= mt7921_pci_device_table,
 	.probe		= mt7921_pci_probe,