diff --git a/drivers/staging/sm750fb/ddk750_power.c b/drivers/staging/sm750fb/ddk750_power.c
index e580dab2b625..864bbd6abbda 100644
--- a/drivers/staging/sm750fb/ddk750_power.c
+++ b/drivers/staging/sm750fb/ddk750_power.c
@@ -17,7 +17,7 @@ void ddk750_setDPMS(DPMS_t state)
 	}
 }
 
-unsigned int getPowerMode(void)
+static unsigned int getPowerMode(void)
 {
 	if (getChipType() == SM750LE)
 		return 0;
diff --git a/drivers/staging/sm750fb/ddk750_power.h b/drivers/staging/sm750fb/ddk750_power.h
index b7cf6b281fb6..ed08cdb883c9 100644
--- a/drivers/staging/sm750fb/ddk750_power.h
+++ b/drivers/staging/sm750fb/ddk750_power.h
@@ -19,8 +19,6 @@ DPMS_t;
 
 void ddk750_setDPMS(DPMS_t);
 
-unsigned int getPowerMode(void);
-
 /*
  * This function sets the current power mode
  */