diff --git a/src/HIDPowerDevice.cpp b/src/HIDPowerDevice.cpp
index 4610d5a..580372f 100755
--- a/src/HIDPowerDevice.cpp
+++ b/src/HIDPowerDevice.cpp
@@ -250,11 +250,6 @@ void HIDPowerDevice_::setSerial(const char* s) {
 void HIDPowerDevice_::end(void) {
 }
 
-int HIDPowerDevice_::sendDate(uint16_t id, uint16_t year, uint8_t month, uint8_t day) {
-    uint16_t bval = (year - 1980)*512 + month * 32 + day;
-    return HID().SendReport(id, &bval, sizeof (bval));
-}
-
 int HIDPowerDevice_::sendReport(uint16_t id, const void* bval, int len) {
     return HID().SendReport(id, bval, len);
 }
diff --git a/src/HIDPowerDevice.h b/src/HIDPowerDevice.h
index 3b146b9..9e1cc7a 100755
--- a/src/HIDPowerDevice.h
+++ b/src/HIDPowerDevice.h
@@ -121,7 +121,6 @@ class HIDPowerDevice_  {
   
   void end(void);
   
-  int sendDate(uint16_t id, uint16_t year, uint8_t month, uint8_t day);
   int sendReport(uint16_t id, const void* bval, int len);
   
   int setFeature(uint16_t id, const void* data, int len);