diff --git a/drivers/platform/x86/acer-wmi.c b/drivers/platform/x86/acer-wmi.c
index 48aae3ae82a1be98804a234a5a11b5393d81bfda..0eecf9245d8c243e37060c8d3eb1072c45d3f710 100644
--- a/drivers/platform/x86/acer-wmi.c
+++ b/drivers/platform/x86/acer-wmi.c
@@ -2043,6 +2043,7 @@ static int acer_platform_remove(struct platform_device *device)
 	return 0;
 }
 
+#ifdef CONFIG_PM_SLEEP
 static int acer_suspend(struct device *dev)
 {
 	u32 value;
@@ -2083,6 +2084,10 @@ static int acer_resume(struct device *dev)
 
 	return 0;
 }
+#else
+#define acer_suspend	NULL
+#define acer_resume	NULL
+#endif
 
 static SIMPLE_DEV_PM_OPS(acer_pm, acer_suspend, acer_resume);