diff --git a/src/libCom/osi/os/vxWorks/devLibOSD.c b/src/libCom/osi/os/vxWorks/devLibOSD.c
index 62644a837..5326bd883 100644
--- a/src/libCom/osi/os/vxWorks/devLibOSD.c
+++ b/src/libCom/osi/os/vxWorks/devLibOSD.c
@@ -32,6 +32,9 @@
 #include "epicsFindSymbol.h"
 #include "devLib.h"
 
+typedef void    myISR (void *pParam);
+
+#if CPU_FAMILY != PPC
 /*
  * A list of the names of the unexpected interrupt handlers
  * ( some of these are provided by wrs )
@@ -41,8 +44,8 @@ LOCAL char  *defaultHandlerNames[] = {
             "excIntStub",
             "unsolicitedHandlerEPICS"};
 
-typedef void    myISR (void *pParam);
 LOCAL myISR *defaultHandlerAddr[NELEMENTS(defaultHandlerNames)];
+#endif
 
 LOCAL myISR *isrFetch(unsigned vectorNumber);
 
@@ -74,7 +77,9 @@ int EPICStovxWorksAddrType[]
                 EPICSAddrTypeNoConvert
             };
 
+#if CPU_FAMILY != PPC
 LOCAL void initHandlerAddrList(void);
+#endif
 
 /*
  * maps logical address to physical address, but does not detect
@@ -399,6 +404,7 @@ void unsolicitedHandlerEPICS(int vectorNumber)
         0);
 }
 
+#if CPU_FAMILY != PPC
 /*
  *
  *  initHandlerAddrList()
@@ -422,6 +428,7 @@ void initHandlerAddrList(void)
         }
     }
 }
+#endif
 
 /******************************************************************************
  *
diff --git a/src/libCom/osi/os/vxWorks/osdThread.c b/src/libCom/osi/os/vxWorks/osdThread.c
index cdfb8a7d8..395b25095 100644
--- a/src/libCom/osi/os/vxWorks/osdThread.c
+++ b/src/libCom/osi/os/vxWorks/osdThread.c
@@ -40,9 +40,12 @@
 static const unsigned stackSizeTable[epicsThreadStackBig+1] = 
    {4000*ARCH_STACK_FACTOR, 6000*ARCH_STACK_FACTOR, 11000*ARCH_STACK_FACTOR};
 
-/*The following is just to force atReboot to be loaded*/
+/*The following forces atReboot to be loaded*/
 extern int atRebootExtern;
-static int *patRebootExtern = &atRebootExtern;
+static struct pext {
+    int *pExtern;
+    struct pext *pext;
+} pext = {&atRebootExtern, &pext};
 
 /* definitions for implementation of epicsThreadPrivate */
 static void **papTSD = 0;
@@ -361,19 +364,6 @@ void *epicsThreadPrivateGet(epicsThreadPrivateId id)
     return(data);
 }
 
-/* Tornado compilers for 68k have an optimizer bug at -O1 and above; the
- * code generated for epicsThreadSleepQuantum() is incorrect.  This routine
- * tests for that bug.  This routine must appear above the code it calls or
- * or the optimizer may inline epicsThreadSleepQuantum() */
-int vxWorksBrokenCompilerTest()
-{
-    double q = epicsThreadSleepQuantum();
-    double one = q * sysClkRateGet();
-    int ok = (one > 0.999) && (one < 1.001);
-    printf("%s: epicsThreadSleepQuantum() = %f\n", ok  ? "Ok" : "BROKEN", q);
-    return ok;
-}
-
 double epicsThreadSleepQuantum ()
 {
     double HZ = sysClkRateGet ();