diff --git a/src/audio_board/lyrat_v4_3.h b/src/audio_board/lyrat_v4_3.h
index 2540bb0..8605e06 100644
--- a/src/audio_board/lyrat_v4_3.h
+++ b/src/audio_board/lyrat_v4_3.h
@@ -74,7 +74,7 @@
 #define GREEN_LED_GPIO            22
 
 #define ADC_DETECT                 -1
-#define HEADPHONE_DETECT           -1
+
 #define ES7243_MCLK                -1
 #define RESET_CODEC                -1
 #define RESET_BOARD                -1
@@ -127,4 +127,4 @@
         .user_id = INPUT_KEY_USER_ID_VOLDOWN,           \
         .act_id = BUTTON_VOLDOWN_ID,                    \
     }                                                   \
-}
\ No newline at end of file
+}