diff --git a/keyboards/annepro2/annepro2.h b/keyboards/annepro2/annepro2.h
index 449997241da..aa8f485e27a 100644
--- a/keyboards/annepro2/annepro2.h
+++ b/keyboards/annepro2/annepro2.h
@@ -29,6 +29,9 @@ extern uint16_t annepro2LedMatrix[MATRIX_ROWS * MATRIX_COLS];
 
 extern ble_capslock_t BLECapsLock;
 
+/* System clock - needed for custom matrix lite */
+#define STM32_SYSCLK HT32_CK_SYS_FREQUENCY
+
 // Matrix keymap
 // clang-format off
 #define LAYOUT( \
diff --git a/keyboards/annepro2/matrix.c b/keyboards/annepro2/matrix.c
index 86b3c48d88d..2ea0d4107a4 100644
--- a/keyboards/annepro2/matrix.c
+++ b/keyboards/annepro2/matrix.c
@@ -80,9 +80,3 @@ uint8_t matrix_scan_custom(void) {
     }
     return matrix_has_changed;
 }
-
-bool matrix_is_on(uint8_t row, uint8_t col) { return (matrix[row] & (1 << col)); }
-
-matrix_row_t matrix_get_row(uint8_t row) { return matrix[row]; }
-
-void matrix_print(void) {}