diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index 87715f20b69a..13f5cb2c4763 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -1061,17 +1061,6 @@ static inline int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index)
 }
 #endif
 
-#if defined(CONFIG_ACPI) && IS_ENABLED(CONFIG_I2C)
-bool i2c_acpi_get_i2c_resource(struct acpi_resource *ares,
-			       struct acpi_resource_i2c_serialbus **i2c);
-#else
-static inline bool i2c_acpi_get_i2c_resource(struct acpi_resource *ares,
-					     struct acpi_resource_i2c_serialbus **i2c)
-{
-	return false;
-}
-#endif
-
 /* Device properties */
 
 #ifdef CONFIG_ACPI
diff --git a/include/linux/i2c.h b/include/linux/i2c.h
index cba59d66c00d..1f45331924d6 100644
--- a/include/linux/i2c.h
+++ b/include/linux/i2c.h
@@ -967,11 +967,21 @@ static inline int of_i2c_get_board_info(struct device *dev,
 
 #endif /* CONFIG_OF */
 
+struct acpi_resource;
+struct acpi_resource_i2c_serialbus;
+
 #if IS_ENABLED(CONFIG_ACPI)
+bool i2c_acpi_get_i2c_resource(struct acpi_resource *ares,
+			       struct acpi_resource_i2c_serialbus **i2c);
 u32 i2c_acpi_find_bus_speed(struct device *dev);
 struct i2c_client *i2c_acpi_new_device(struct device *dev, int index,
 				       struct i2c_board_info *info);
 #else
+static inline bool i2c_acpi_get_i2c_resource(struct acpi_resource *ares,
+					     struct acpi_resource_i2c_serialbus **i2c)
+{
+	return false;
+}
 static inline u32 i2c_acpi_find_bus_speed(struct device *dev)
 {
 	return 0;