diff --git a/drivers/video/via/via_utility.c b/drivers/video/via/via_utility.c
index d53c3d54ed8e..aefdeeec89b1 100644
--- a/drivers/video/via/via_utility.c
+++ b/drivers/video/via/via_utility.c
@@ -239,15 +239,3 @@ void viafb_get_gamma_support_state(int bpp, unsigned int *support_state)
 	else
 		*support_state = CRT_Device | DVI_Device | LCD_Device;
 }
-
-int viafb_input_parameter_converter(int parameter_value)
-{
-	int result;
-
-	if (parameter_value >= 1 && parameter_value <= 9)
-		result = 1 << (parameter_value - 1);
-	else
-		result = 1;
-
-	return result;
-}
diff --git a/drivers/video/via/via_utility.h b/drivers/video/via/via_utility.h
index 2fd455202ebd..1670ba82143f 100644
--- a/drivers/video/via/via_utility.h
+++ b/drivers/video/via/via_utility.h
@@ -30,6 +30,5 @@ bool viafb_lcd_get_support_expand_state(u32 xres, u32 yres);
 void viafb_set_gamma_table(int bpp, unsigned int *gamma_table);
 void viafb_get_gamma_table(unsigned int *gamma_table);
 void viafb_get_gamma_support_state(int bpp, unsigned int *support_state);
-int viafb_input_parameter_converter(int parameter_value);
 
 #endif /* __VIAUTILITY_H__ */