diff --git a/src/MPU6050_6Axis_MotionApps20.cpp b/src/MPU6050_6Axis_MotionApps20.cpp
index 2b01b28..913650f 100644
--- a/src/MPU6050_6Axis_MotionApps20.cpp
+++ b/src/MPU6050_6Axis_MotionApps20.cpp
@@ -269,7 +269,7 @@ static const unsigned char dmpMemory[MPU6050_DMP_CODE_SIZE] PROGMEM = {
 #endif
 
 // I Simplified this:
-uint8_t dmpInitialize(uint8_t rateDivisor = MPU6050_DMP_FIFO_RATE_DIVISOR, uint8_t mpuAddr = 0x68){
+uint8_t MPU6050_6Axis_MotionApps20::dmpInitialize() {
 	// reset device
 	DEBUG_PRINTLN(F("\n\nResetting MPU6050..."));
 	reset();
@@ -613,4 +613,4 @@ uint16_t MPU6050_6Axis_MotionApps20::dmpGetFIFOPacketSize() {
 
 uint8_t MPU6050_6Axis_MotionApps20::dmpGetCurrentFIFOPacket(uint8_t *data) { // overflow proof
     return(GetCurrentFIFOPacket(data, dmpPacketSize));
-}
+}
\ No newline at end of file
diff --git a/src/MPU6050_6Axis_MotionApps20.h b/src/MPU6050_6Axis_MotionApps20.h
index 8995ad4..3da7070 100644
--- a/src/MPU6050_6Axis_MotionApps20.h
+++ b/src/MPU6050_6Axis_MotionApps20.h
@@ -47,7 +47,7 @@ class MPU6050_6Axis_MotionApps20 : public MPU6050_Base {
     public:
         MPU6050_6Axis_MotionApps20(uint8_t address=MPU6050_DEFAULT_ADDRESS, void *wireObj=0) : MPU6050_Base(address, wireObj) { }
 
-        uint8_t dmpInitialize(uint8_t rateDivisor = MPU6050_DMP_FIFO_RATE_DIVISOR, uint8_t mpuAddr = 0x68);
+        uint8_t dmpInitialize();
         bool dmpPacketAvailable();
 
         uint8_t dmpSetFIFORate(uint8_t fifoRate);
@@ -150,4 +150,4 @@ class MPU6050_6Axis_MotionApps20 : public MPU6050_Base {
 
 typedef MPU6050_6Axis_MotionApps20 MPU6050;
 
-#endif /* _MPU6050_6AXIS_MOTIONAPPS20_H_ */
+#endif /* _MPU6050_6AXIS_MOTIONAPPS20_H_ */
\ No newline at end of file
diff --git a/src/MPU6050_6Axis_MotionApps612.cpp b/src/MPU6050_6Axis_MotionApps612.cpp
index bea9e8c..4a60436 100644
--- a/src/MPU6050_6Axis_MotionApps612.cpp
+++ b/src/MPU6050_6Axis_MotionApps612.cpp
@@ -341,7 +341,7 @@ const unsigned char dmpMemory[MPU6050_DMP_CODE_SIZE] PROGMEM = {
 
 // this is the most basic initialization I can create. with the intent that we access the register bytes as few times as needed to get the job done.
 // for detailed descriptins of all registers and there purpose google "MPU-6000/MPU-6050 Register Map and Descriptions"
-uint8_t MPU6050::dmpInitialize(uint8_t rateDivisor = 0x04, uint8_t mpuAddr = 0x68) { // Lets get it over with fast Write everything once and set it up necely
+uint8_t MPU6050::dmpInitialize(uint8_t rateDivisor, uint8_t mpuAddr) { // Lets get it over with fast Write everything once and set it up necely
 	uint8_t val;
 	uint16_t ival;
   // Reset procedure per instructions in the "MPU-6000/MPU-6050 Register Map and Descriptions" page 41
diff --git a/src/MPU6050_9Axis_MotionApps41.cpp b/src/MPU6050_9Axis_MotionApps41.cpp
index 2c99495..a6ca5ac 100644
--- a/src/MPU6050_9Axis_MotionApps41.cpp
+++ b/src/MPU6050_9Axis_MotionApps41.cpp
@@ -334,7 +334,7 @@ const unsigned char dmpUpdates[MPU6050_DMP_UPDATES_SIZE] PROGMEM = {
     0x00,   0x60,   0x04,   0x00, 0x40, 0x00, 0x00
 };
 
-uint8_t dmpInitialize(uint8_t rateDivisor = MPU6050_DMP_FIFO_RATE_DIVISOR, uint8_t mpuAddr = 0x68){
+uint8_t MPU6050_9Axis_MotionApps41::dmpInitialize() {
     // reset device
     DEBUG_PRINTLN(F("\n\nResetting MPU6050..."));
     reset();
@@ -884,4 +884,4 @@ uint8_t MPU6050_9Axis_MotionApps41::dmpReadAndProcessFIFOPacket(uint8_t numPacke
 // void MPU6050_9Axis_MotionApps41::dmpOverrideQuaternion(long *q);
 uint16_t MPU6050_9Axis_MotionApps41::dmpGetFIFOPacketSize() {
     return dmpPacketSize;
-}
+}
\ No newline at end of file
diff --git a/src/MPU6050_9Axis_MotionApps41.h b/src/MPU6050_9Axis_MotionApps41.h
index 24ce1e9..f9569e9 100644
--- a/src/MPU6050_9Axis_MotionApps41.h
+++ b/src/MPU6050_9Axis_MotionApps41.h
@@ -47,7 +47,7 @@ class MPU6050_9Axis_MotionApps41 : public MPU6050_Base {
     public:
         MPU6050_9Axis_MotionApps41(uint8_t address=MPU6050_DEFAULT_ADDRESS, void *wireObj=0) : MPU6050_Base(address, wireObj) { }
 
-        uint8_t dmpInitialize(uint8_t rateDivisor = MPU6050_DMP_FIFO_RATE_DIVISOR, uint8_t mpuAddr = 0x68);
+        uint8_t dmpInitialize();
         bool dmpPacketAvailable();
 
         uint8_t dmpSetFIFORate(uint8_t fifoRate);
@@ -150,4 +150,4 @@ class MPU6050_9Axis_MotionApps41 : public MPU6050_Base {
 
 typedef MPU6050_9Axis_MotionApps41 MPU6050;
 
-#endif /* _MPU6050_6AXIS_MOTIONAPPS41_H_ */
+#endif /* _MPU6050_6AXIS_MOTIONAPPS41_H_ */
\ No newline at end of file