diff --git a/src/libCom/test/epicsTimerTestMain.cpp b/src/libCom/test/epicsTimerTestMain.cpp
index d1a91cc91..dd82e476c 100644
--- a/src/libCom/test/epicsTimerTestMain.cpp
+++ b/src/libCom/test/epicsTimerTestMain.cpp
@@ -31,7 +31,7 @@
 
 void epicsTimerTest ( void );
 
-int main ( int argc, char *argv[] )
+int main ( int /* argc */, char /* *argv[] */ )
 {
     epicsTimerTest ();
     return 0;