diff --git a/drivers/platform/x86/dell/dell-smbios-wmi.c b/drivers/platform/x86/dell/dell-smbios-wmi.c
index a1753485159ca6164206665fbb7d1e53a08eb442..33f823772733568a4f0aa59ab60efc102129bbbf 100644
--- a/drivers/platform/x86/dell/dell-smbios-wmi.c
+++ b/drivers/platform/x86/dell/dell-smbios-wmi.c
@@ -270,7 +270,8 @@ int init_dell_smbios_wmi(void)
 
 void exit_dell_smbios_wmi(void)
 {
-	wmi_driver_unregister(&dell_smbios_wmi_driver);
+	if (wmi_supported)
+		wmi_driver_unregister(&dell_smbios_wmi_driver);
 }
 
 MODULE_DEVICE_TABLE(wmi, dell_smbios_wmi_id_table);