diff --git a/configure b/configure
index e3254c296fb..adbf6baf36e 100755
--- a/configure
+++ b/configure
@@ -16200,7 +16200,7 @@ fi
 
 # Irix & OSF native compilers do not like exception declarations 
 # when exceptions are disabled
-if test "$_MOZ_CPP_EXCEPTIONS" -o -n "$MIPSPRO_CXX" -o -n "$COMPAQ_CXX" -o -n "$VACPP"; then
+if test -n "$MIPSPRO_CXX" -o -n "$COMPAQ_CXX" -o -n "$VACPP"; then
     cat >> confdefs.h <<\EOF
 #define CPP_THROW_NEW 
 EOF