diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
index 668fc07b30735..29ca65a732a66 100644
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -39,6 +39,7 @@ extern int ath9k_modparam_nohwcrypt;
 extern int ath9k_led_blink;
 extern bool is_ath9k_unloaded;
 extern int ath9k_use_chanctx;
+extern int ath9k_use_msi;
 
 /*************************/
 /* Descriptor Management */
diff --git a/drivers/net/wireless/ath/ath9k/pci.c b/drivers/net/wireless/ath/ath9k/pci.c
index e655cd8bbf94e..1ff53520f0a30 100644
--- a/drivers/net/wireless/ath/ath9k/pci.c
+++ b/drivers/net/wireless/ath/ath9k/pci.c
@@ -21,8 +21,6 @@
 #include <linux/module.h>
 #include "ath9k.h"
 
-extern int ath9k_use_msi;
-
 static const struct pci_device_id ath_pci_id_table[] = {
 	{ PCI_VDEVICE(ATHEROS, 0x0023) }, /* PCI   */
 	{ PCI_VDEVICE(ATHEROS, 0x0024) }, /* PCI-E */