diff --git a/src/burn/drv/pre90s/d_punchout.cpp b/src/burn/drv/pre90s/d_punchout.cpp
index bd2663481..6f365c178 100644
--- a/src/burn/drv/pre90s/d_punchout.cpp
+++ b/src/burn/drv/pre90s/d_punchout.cpp
@@ -667,7 +667,6 @@ static INT32 CommonInit(INT32 (*pInitCallback)(), INT32 punchout, INT32 reverse_
 
 	ZetSetOutHandler(punchout_write_port);
 	ZetSetInHandler(punchout_read_port);
-	ZetMemEnd();
 	ZetClose();
 
 	M6502Init(0, TYPE_N2A03);