diff --git a/drivers/watchdog/davinci_wdt.c b/drivers/watchdog/davinci_wdt.c
index 19db5302ba6e..e49a36c0d4d6 100644
--- a/drivers/watchdog/davinci_wdt.c
+++ b/drivers/watchdog/davinci_wdt.c
@@ -262,7 +262,7 @@ static int __init davinci_wdt_init(void)
 
 static void __exit davinci_wdt_exit(void)
 {
-	return platform_driver_unregister(&platform_wdt_driver);
+	platform_driver_unregister(&platform_wdt_driver);
 }
 
 module_init(davinci_wdt_init);
diff --git a/drivers/watchdog/pnx4008_wdt.c b/drivers/watchdog/pnx4008_wdt.c
index 22f8873dd092..b0eb9f9b43c7 100644
--- a/drivers/watchdog/pnx4008_wdt.c
+++ b/drivers/watchdog/pnx4008_wdt.c
@@ -335,7 +335,7 @@ static int __init pnx4008_wdt_init(void)
 
 static void __exit pnx4008_wdt_exit(void)
 {
-	return platform_driver_unregister(&platform_wdt_driver);
+	platform_driver_unregister(&platform_wdt_driver);
 }
 
 module_init(pnx4008_wdt_init);