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-rw-r--r--src/mame/includes/atarisy1.h1
1 files changed, 0 insertions, 1 deletions
diff --git a/src/mame/includes/atarisy1.h b/src/mame/includes/atarisy1.h
index 95a8bf5e161..a2e27c24704 100644
--- a/src/mame/includes/atarisy1.h
+++ b/src/mame/includes/atarisy1.h
@@ -61,7 +61,6 @@ public:
DECLARE_READ16_MEMBER(joystick_r);
DECLARE_WRITE16_MEMBER(joystick_w);
DECLARE_READ16_MEMBER(trakball_r);
- DECLARE_READ16_MEMBER(port4_r);
DECLARE_READ8_MEMBER(switch_6502_r);
DECLARE_WRITE8_MEMBER(led_w);
DECLARE_WRITE8_MEMBER(via_pa_w);