--- a/motorApp/ImsSrc/ImsMDrivePlusMotorController.h
+++ b/motorApp/ImsSrc/ImsMDrivePlusMotorController.h
@@ -19,7 +19,7 @@
 	/////////////////////////////////////////
 	// Override asynMotorController functions
 	/////////////////////////////////////////
-	ImsMDrivePlusMotorController(const char *motorPortName, const char *IOPortName, const char *deviceName, double movingPollPeriod, double idlePollPeriod, int homeSwitchIndex);
+	ImsMDrivePlusMotorController(const char *motorPortName, const char *IOPortName, const char *deviceName, double movingPollPeriod, double idlePollPeriod);
 	ImsMDrivePlusMotorAxis* getAxis(asynUser *pasynUser);
 	ImsMDrivePlusMotorAxis* getAxis(int axisNo);
 	//void report(FILE *fp, int level);
@@ -61,10 +61,7 @@
 	int posLimitSwitchInput;
 	int negLimitSwitchInput;
 
-	// added for defining Home Switch or Index
-	int homeSwIn;
-
-	void initController(const char *devName, double movingPollPeriod, double idlePollPeriod, int homeSwitchIndex);
+	void initController(const char *devName, double movingPollPeriod, double idlePollPeriod);
 	int readHomeAndLimitConfig();  // read home, positive limit, and neg limit switch configuration from controller (S1-S4 settings)
 
 	friend class ImsMDrivePlusMotorAxis;