diff --git a/cmake/XercesFunctions.cmake b/cmake/XercesFunctions.cmake
index b7828422332405b9778f1f767dabbc6f849fd753..88c4b1692efb16df25edd8a6dd7c4649925f06c3 100644
--- a/cmake/XercesFunctions.cmake
+++ b/cmake/XercesFunctions.cmake
@@ -32,7 +32,6 @@ check_function_exists(clock_gettime HAVE_CLOCK_GETTIME)
 check_function_exists(ftime HAVE_FTIME)
 check_function_exists(gettimeofday HAVE_GETTIMEOFDAY)
 check_function_exists(gmtime_r HAVE_GMTIME_R)
-check_function_exists(timegm HAVE_TIMEGM)
 check_function_exists(memmove HAVE_MEMMOVE)
 check_function_exists(memset HAVE_MEMSET)
 check_function_exists(nl_langinfo HAVE_NL_LANGINFO)