diff --git a/Adafruit_Sensor.cpp b/Adafruit_Sensor.cpp
index 6c09f51..2977b27 100644
--- a/Adafruit_Sensor.cpp
+++ b/Adafruit_Sensor.cpp
@@ -3,21 +3,3 @@
 
 void Adafruit_Sensor::constructor() {
 }
-
-size_t Adafruit_Sensor::serializeSensor(sensor_t sensor) {
-}
-
-size_t Adafruit_Sensor::serializeEvent(sensors_event_t event) {
-}
-
-size_t Adafruit_Sensor::logSensor(sensor_t sensor) {
-}
-
-size_t Adafruit_Sensor::logEvent(sensors_event_t event) {
-}
-
-int32_t Adafruit_Sensor::average(int32_t values[], const size_t len) {
-}
-
-float Adafruit_Sensor::average(float values[], const size_t len) {
-}