diff --git a/libraries/TinyPower/TinyPower.h b/libraries/TinyPower/TinyPower.h
index 5aac5a3..9fb9953 100644
--- a/libraries/TinyPower/TinyPower.h
+++ b/libraries/TinyPower/TinyPower.h
@@ -42,14 +42,6 @@ public:
 	    WDTCR = _BV(WDIE) | time;
 	}
 
-	//enable the wdt for 8sec interrupt
-	static void enableWdt()
-	{
-	    MCUSR = 0x00;
-	    WDTCR |= _BV(WDCE) | _BV(WDE);
-	    WDTCR = _BV(WDIE) | _BV(WDP3) | _BV(WDP0);    //8192ms
-	}
-
 	static void disableWdt() {
 	  MCUSR = 0x00;
 	  WDTCR |= _BV(WDCE) | _BV(WDE);
diff --git a/water_sensor/water_sensor.ino b/water_sensor/water_sensor.ino
index 3176ed2..c83ff51 100644
--- a/water_sensor/water_sensor.ino
+++ b/water_sensor/water_sensor.ino
@@ -22,7 +22,7 @@ void setup() {
   sensor.sendWindowState(readState());
 
   TinyPower::setup();
-  TinyPower::enableWdt();
+  TinyPower::enableWdt(WDTO_8S);
 }
 
 void loop() {
diff --git a/window1/window1.ino b/window1/window1.ino
index c88787d..f92e4c4 100644
--- a/window1/window1.ino
+++ b/window1/window1.ino
@@ -24,7 +24,7 @@ void setup() {
   sensor.sendWindowState(readState());
 
   TinyPower::setup();
-  TinyPower::enableWdt();
+  TinyPower::enableWdt(WDTO_8S);
 }
 
 void loop() {
diff --git a/window2/window2.ino b/window2/window2.ino
index 05b492c..fd3def3 100644
--- a/window2/window2.ino
+++ b/window2/window2.ino
@@ -21,7 +21,7 @@ void setup() {
   sensor.sendWindowState(readState());
 
   TinyPower::setup();
-  TinyPower::enableWdt();
+  TinyPower::enableWdt(WDTO_8S);
 }
 
 void loop() {