diff --git a/src/libCom/osi/epicsThread.cpp b/src/libCom/osi/epicsThread.cpp
index eb7c72ea6..c48333831 100644
--- a/src/libCom/osi/epicsThread.cpp
+++ b/src/libCom/osi/epicsThread.cpp
@@ -241,12 +241,12 @@ bool epicsThread::operator == (const epicsThread &rhs) const throw ()
     return (this->id == rhs.id);
 }
 
-void epicsThread::suspendSelf ()
+void epicsThread::suspendSelf () throw ()
 {
     epicsThreadSuspendSelf ();
 }
 
-void epicsThread::sleep (double seconds)
+void epicsThread::sleep (double seconds) throw ()
 {
     epicsThreadSleep (seconds);
 }
diff --git a/src/libCom/osi/epicsThread.h b/src/libCom/osi/epicsThread.h
index a1e7db293..cc005c01c 100644
--- a/src/libCom/osi/epicsThread.h
+++ b/src/libCom/osi/epicsThread.h
@@ -188,7 +188,7 @@ class epicsThreadPrivate :
     private epicsThreadPrivateBase {
 public:
     epicsThreadPrivate ();
-    ~epicsThreadPrivate ();
+    ~epicsThreadPrivate () throw ();
     T * get () const throw ();
     void set (T *) throw ();
 private:
@@ -211,19 +211,19 @@ inline epicsThreadPrivate<T>::epicsThreadPrivate ()
 }
 
 template <class T>
-inline epicsThreadPrivate<T>::~epicsThreadPrivate ()
+inline epicsThreadPrivate<T>::~epicsThreadPrivate () throw ()
 {
     epicsThreadPrivateDelete ( this->id );
 }
 
 template <class T>
-inline T *epicsThreadPrivate<T>::get () const
+inline T *epicsThreadPrivate<T>::get () const throw ()
 {
     return static_cast<T *> ( epicsThreadPrivateGet (this->id) );
 }
 
 template <class T>
-inline void epicsThreadPrivate<T>::set (T *pIn)
+inline void epicsThreadPrivate<T>::set (T *pIn) throw ()
 {
     epicsThreadPrivateSet ( this->id, static_cast<void *> (pIn) );
 }