diff --git a/src/libCom/osi/epicsThread.h b/src/libCom/osi/epicsThread.h
index cc005c01c..c5cd1f998 100644
--- a/src/libCom/osi/epicsThread.h
+++ b/src/libCom/osi/epicsThread.h
@@ -75,7 +75,7 @@ epicsShareFunc void epicsShareAPI epicsThreadSuspendSelf(void);
 epicsShareFunc void epicsShareAPI epicsThreadResume(epicsThreadId id);
 epicsShareFunc unsigned int epicsShareAPI epicsThreadGetPriority(
     epicsThreadId id);
-epicsShareFunc unsigned int epicsShareAPI epicsThreadGetPrioritySelf();
+epicsShareFunc unsigned int epicsShareAPI epicsThreadGetPrioritySelf(void);
 epicsShareFunc void epicsShareAPI epicsThreadSetPriority(
     epicsThreadId id,unsigned int priority);
 epicsShareFunc epicsThreadBooleanStatus epicsShareAPI
diff --git a/src/libCom/osi/os/posix/osdThread.c b/src/libCom/osi/os/posix/osdThread.c
index 7c3a45293..4eca8a4f4 100644
--- a/src/libCom/osi/os/posix/osdThread.c
+++ b/src/libCom/osi/os/posix/osdThread.c
@@ -147,6 +147,7 @@ static void myAtExit(void)
     pthread_key_delete(getpthreadInfo);
 }
 
+#if defined (_POSIX_THREAD_PRIORITY_SCHEDULING)
 static int getOssPriorityValue(epicsThreadOSD *pthreadInfo)
 {
     double maxPriority,minPriority,slope,oss;
@@ -159,6 +160,7 @@ static int getOssPriorityValue(epicsThreadOSD *pthreadInfo)
     oss = (double)pthreadInfo->osiPriority * slope + minPriority;
     return((int)oss);
 }
+#endif /* _POSIX_THREAD_PRIORITY_SCHEDULING */
 static void setSchedulingPolicy(epicsThreadOSD *pthreadInfo,int policy)
 {
 #if defined (_POSIX_THREAD_PRIORITY_SCHEDULING)
@@ -433,13 +435,13 @@ epicsThreadId epicsThreadCreate(const char *name,
 /*
  * Cleanup routine for threads not created by epicsThreadCreate().
  */
-static void nonEPICSthreadCleanup(void *arg)
+/* static void nonEPICSthreadCleanup(void *arg)
 {
     epicsThreadOSD *pthreadInfo = (epicsThreadOSD *)arg;
 
     free(pthreadInfo->name);
     free(pthreadInfo);
-}
+} */
 
 /*
  * Create dummy context for threads not created by epicsThreadCreate().