diff --git a/clients/opal/udp/models/send_receive/include/socket.h b/clients/opal/udp/models/send_receive/include/socket.h
index ccc2c7718..a33cf6686 100644
--- a/clients/opal/udp/models/send_receive/include/socket.h
+++ b/clients/opal/udp/models/send_receive/include/socket.h
@@ -13,7 +13,6 @@
 
 #define UDP_PROTOCOL	1
 #define TCP_PROTOCOL	2
-#define	EOK		0
 
 int InitSocket(Opal_GenAsyncParam_Ctrl IconCtrlStruct);
 
diff --git a/clients/opal/udp/models/send_receive/include/utils.h b/clients/opal/udp/models/send_receive/include/utils.h
index 61a094f1a..762aca20a 100644
--- a/clients/opal/udp/models/send_receive/include/utils.h
+++ b/clients/opal/udp/models/send_receive/include/utils.h
@@ -10,8 +10,6 @@
 #ifndef _UTILS_H_
 #define _UTILS_H_
 
-#define EOK	0
-
 int AssignProcToCpu0(void);
 
 #endif /* _UTILS_H_ */
diff --git a/clients/opal/udp/models/send_receive/src/main.c b/clients/opal/udp/models/send_receive/src/main.c
index 273b5a5ff..20470dd90 100644
--- a/clients/opal/udp/models/send_receive/src/main.c
+++ b/clients/opal/udp/models/send_receive/src/main.c
@@ -6,28 +6,17 @@
  *********************************************************************************/
 
 /* Standard ANSI C headers needed for this program */
-#include <errno.h>
-#include <fcntl.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <stdint.h>
+#include <errno.h>
+#include <fcntl.h>
 #include <string.h>
-#include <sys/wait.h>
-#include <termios.h>
 #include <unistd.h>
 #include <signal.h>
 #include <time.h>
 #include <pthread.h>
 
-#if defined(__QNXNTO__)
-  #include <process.h>
-  #include <devctl.h>
-  #include <sys/dcmd_chr.h>
-#elif defined(__linux__)
-  #define _GNU_SOURCE   1
-  #include <time.h>
-#endif
-
 /* Define RTLAB before including OpalPrint.h for messages to be sent
  * to the OpalDisplay. Otherwise stdout will be used. */
 #define RTLAB
diff --git a/clients/opal/udp/models/send_receive/src/utils.c b/clients/opal/udp/models/send_receive/src/utils.c
index 192661dfc..23778e008 100644
--- a/clients/opal/udp/models/send_receive/src/utils.c
+++ b/clients/opal/udp/models/send_receive/src/utils.c
@@ -7,6 +7,7 @@
  *********************************************************************************/
 
 #include <errno.h>
+#include <sched.h>
 
 /* Define RTLAB before including OpalPrint.h for messages to be sent
  * to the OpalDisplay. Otherwise stdout will be used. */
@@ -16,31 +17,20 @@
 #include "config.h"
 #include "utils.h"
 
-#if defined(__QNXNTO__)
-  #include <process.h>
-  #include <sys/sched.h>
-  #include <devctl.h>
-  #include <sys/dcmd_chr.h>
-#elif defined(__linux__)
-  #define _GNU_SOURCE   1
-  #include <sched.h>
-#endif
-
 int AssignProcToCpu0(void)
 {
-#ifdef __linux__
 	int ret;
 	cpu_set_t bindSet;
+	
 	CPU_ZERO(&bindSet);
 	CPU_SET(0, &bindSet);
 
 	/* Changing process cpu affinity */
 	ret = sched_setaffinity(0, sizeof(cpu_set_t), &bindSet);
-	if (ret != 0) {
-		OpalPrint("Unable to bind the process to CPU 0. (sched_setaffinity errno %d)\n", errno);
+	if (ret) {
+		OpalPrint("Unable to bind the process to CPU 0: %d\n", errno);
 		return EINVAL;
 	}
 
-	return EOK;
-#endif	/* __linux__ */
+	return 0;
 }