diff --git a/rtl/boards/upduino/apple1_up5k.v b/rtl/boards/upduino/apple1_up5k.v
index d0a0313..5a96b9c 100644
--- a/rtl/boards/upduino/apple1_up5k.v
+++ b/rtl/boards/upduino/apple1_up5k.v
@@ -79,7 +79,6 @@ module apple1_top #(
         .uart_rx(uart_rx),
         .uart_tx(uart_tx),
         .uart_cts(uart_cts),
-        .clr_screen_btn(1'b0),
         .vga_h_sync(vga_h_sync),
         .vga_v_sync(vga_v_sync),
         .vga_red(vga_red),