diff --git a/drivers/sensors/pimoroni_trackball.c b/drivers/sensors/pimoroni_trackball.c
index 333e017a064..88a351316b0 100644
--- a/drivers/sensors/pimoroni_trackball.c
+++ b/drivers/sensors/pimoroni_trackball.c
@@ -95,16 +95,3 @@ int16_t pimoroni_trackball_get_offsets(uint8_t negative_dir, uint8_t positive_di
     uint16_t magnitude = (scale * offset * offset * precision) >> 7;
     return isnegative ? -(int16_t)(magnitude) : (int16_t)(magnitude);
 }
-
-void pimoroni_trackball_adapt_values(int8_t* mouse, int16_t* offset) {
-    if (*offset > 127) {
-        *mouse = 127;
-        *offset -= 127;
-    } else if (*offset < -127) {
-        *mouse = -127;
-        *offset += 127;
-    } else {
-        *mouse  = *offset;
-        *offset = 0;
-    }
-}
diff --git a/drivers/sensors/pimoroni_trackball.h b/drivers/sensors/pimoroni_trackball.h
index e20ee748a75..749f381bbd6 100644
--- a/drivers/sensors/pimoroni_trackball.h
+++ b/drivers/sensors/pimoroni_trackball.h
@@ -52,7 +52,6 @@ typedef struct {
 void         pimoroni_trackball_device_init(void);
 void         pimoroni_trackball_set_rgbw(uint8_t red, uint8_t green, uint8_t blue, uint8_t white);
 int16_t      pimoroni_trackball_get_offsets(uint8_t negative_dir, uint8_t positive_dir, uint8_t scale);
-void         pimoroni_trackball_adapt_values(int8_t* mouse, int16_t* offset);
 uint16_t     pimoroni_trackball_get_cpi(void);
 void         pimoroni_trackball_set_cpi(uint16_t cpi);
 i2c_status_t read_pimoroni_trackball(pimoroni_data_t* data);