diff --git a/drivers/mmc/host/sdhci-pci-o2micro.c b/drivers/mmc/host/sdhci-pci-o2micro.c
index 9a5e1917b26616329c03f96c48f3990c871dd2aa..d48f03104b5be39a978bdbe9d1ae7484f70beaca 100644
--- a/drivers/mmc/host/sdhci-pci-o2micro.c
+++ b/drivers/mmc/host/sdhci-pci-o2micro.c
@@ -60,7 +60,7 @@ static void o2_pci_led_enable(struct sdhci_pci_chip *chip)
 
 }
 
-void sdhci_pci_o2_fujin2_pci_init(struct sdhci_pci_chip *chip)
+static void sdhci_pci_o2_fujin2_pci_init(struct sdhci_pci_chip *chip)
 {
 	u32 scratch_32;
 	int ret;
diff --git a/drivers/mmc/host/sdhci-pci-o2micro.h b/drivers/mmc/host/sdhci-pci-o2micro.h
index f7ffc908d9a0d2f83b13a7a00e09c635aceb5079..770f53857211cc445853359eafc33a88cb94eb82 100644
--- a/drivers/mmc/host/sdhci-pci-o2micro.h
+++ b/drivers/mmc/host/sdhci-pci-o2micro.h
@@ -64,8 +64,6 @@
 #define O2_SD_VENDOR_SETTING	0x110
 #define O2_SD_VENDOR_SETTING2	0x1C8
 
-extern void sdhci_pci_o2_fujin2_pci_init(struct sdhci_pci_chip *chip);
-
 extern int sdhci_pci_o2_probe_slot(struct sdhci_pci_slot *slot);
 
 extern int sdhci_pci_o2_probe(struct sdhci_pci_chip *chip);