diff --git a/src/include/86box/video.h b/src/include/86box/video.h
index 8be21b534..a284d12fa 100644
--- a/src/include/86box/video.h
+++ b/src/include/86box/video.h
@@ -576,7 +576,6 @@ extern const device_t s3_diamond_stealth_2000pro_pci_device;
 extern const device_t s3_virge_385_pci_device;
 extern const device_t s3_virge_357_pci_device;
 extern const device_t s3_virge_357_agp_device;
-extern const device_t s3_diamond_stealth_4000_pci_device;
 extern const device_t s3_diamond_stealth_4000_agp_device;
 extern const device_t s3_trio3d2x_pci_device;
 extern const device_t s3_trio3d2x_agp_device;