diff --git a/emu-configs/defaults/retroarch/retroarch-core-options.cfg b/emu-configs/defaults/retroarch/retroarch-core-options.cfg
index 6be315ae..f7bbfc46 100644
--- a/emu-configs/defaults/retroarch/retroarch-core-options.cfg
+++ b/emu-configs/defaults/retroarch/retroarch-core-options.cfg
@@ -286,6 +286,10 @@ gambatte_gb_link_network_server_ip_9 = "0"
 gambatte_gb_palette_pixelshift_1 = "PixelShift 01 - Arctic Green"
 gambatte_gb_palette_twb64_1 = "TWB64 001 - Aqours Blue"
 gambatte_gb_palette_twb64_2 = "TWB64 101 - 765PRO Pink"
+gambatte_gb_input_player1_l = "nul"
+gambatte_gb_input_player1_l_btn = "nul"
+gambatte_gb_input_player1_r = "nul"
+gambatte_gb_input_player1_r_btn = "nul"
 gambatte_gbc_color_correction = "GBC only"
 gambatte_gbc_color_correction_mode = "accurate"
 gambatte_gbc_frontlight_position = "central"