diff --git a/src/mess/machine/ti99/bwg.c b/src/mess/machine/ti99/bwg.c
index 4033bc8b0c6..4dc5491fbbd 100644
--- a/src/mess/machine/ti99/bwg.c
+++ b/src/mess/machine/ti99/bwg.c
@@ -335,7 +335,7 @@ READ8Z_MEMBER(snug_bwg_device::crureadz)
 
 WRITE8_MEMBER(snug_bwg_device::cruwrite)
 {
-	int drive, drivebit;
+	int drive; //, drivebit;
 
 	if ((offset & 0xff00)==m_cru_base)
 	{