diff --git a/keyboards/ploopyco/trackball_nano/keymaps/maddie/keymap.c b/keyboards/ploopyco/trackball_nano/keymaps/maddie/keymap.c
index 2e3e1136bfc..14a7804cc2c 100644
--- a/keyboards/ploopyco/trackball_nano/keymaps/maddie/keymap.c
+++ b/keyboards/ploopyco/trackball_nano/keymaps/maddie/keymap.c
@@ -18,39 +18,42 @@
  */
 #include QMK_KEYBOARD_H
 
+// Configuration options
+#define SCROLL_TIMEOUT 25
+#define DELTA_X_THRESHOLD 60
+#define DELTA_Y_THRESHOLD 15
+
 // safe range starts at `PLOOPY_SAFE_RANGE` instead.
-uint8_t scroll_enabled = 0;
-uint8_t lock_state = 0;
-int8_t  delta_x        = 0;
-int8_t  delta_y        = 0;
+bool scroll_enabled = false;
+bool lock_state     = false;
 
 // Dummy
 const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {{{ KC_NO }}};
 
-void process_mouse_user(report_mouse_t *mouse_report, int8_t x, int8_t y) {
+report_mouse_t pointing_device_task_user(report_mouse_t mouse_report) {
     if (scroll_enabled) {
-        delta_x += x;
-		delta_y += y;
+        delta_x += mouse_report.x;
+        delta_y += mouse_report.y;
 
-		if (delta_x > 60) {
-			mouse_report->h = 1;
-			delta_x = 0;
-		} else if (delta_x < -60) {
-			mouse_report->h = -1;
-			delta_x = 0;
-		}
+        if (delta_x > DELTA_X_THRESHOLD) {
+            mouse_report.h = 1;
+            delta_x        = 0;
+        } else if (delta_x < -DELTA_X_THRESHOLD) {
+            mouse_report.h = -1;
+            delta_x        = 0;
+        }
 
-		if (delta_y > 15) {
-			mouse_report->v = -1;
-			delta_y = 0;
-		} else if (delta_y < -15) {
-			mouse_report->v = 1;
-			delta_y = 0;
-		}
-    } else {
-        mouse_report->x = x;
-		mouse_report->y = y;
+        if (delta_y > DELTA_Y_THRESHOLD) {
+            mouse_report.v = -1;
+            delta_y        = 0;
+        } else if (delta_y < -DELTA_Y_THRESHOLD) {
+            mouse_report.v = 1;
+            delta_y        = 0;
+        }
+        mouse_report.x = 0;
+        mouse_report.y = 0;
     }
+    return mouse_report;
 }
 
 void keyboard_post_init_user(void) {
@@ -61,7 +64,7 @@ bool led_update_user(led_t led_state) {
 	static uint8_t lock_count = 0;
 	static uint16_t scroll_timer = 0;
 
-	if (timer_elapsed(scroll_timer) > 25) {
+	if (timer_elapsed(scroll_timer) > SCROLL_TIMEOUT) {
 		scroll_timer = timer_read();
 		lock_count = 0;
 	}
@@ -72,8 +75,6 @@ bool led_update_user(led_t led_state) {
 		if (lock_count == 2) {
 			scroll_enabled = !scroll_enabled;
 			lock_count = 0;
-			delta_x = 0;
-			delta_y = 0;
 		}
 	}