--- a/BuildTools/SCons/SConstruct
+++ b/BuildTools/SCons/SConstruct
@@ -211,7 +211,7 @@
         boost_flags["CPPFLAGS"] = [("-isystem", env["boost_includedir"])]
 boost_conf_env.MergeFlags(boost_flags)
 conf = Configure(boost_conf_env)
-boostLibs = [(None, "signals2.hpp"), ("system", "system/system_error.hpp"), ("thread", None), ("regex", None), ("program_options", None), ("filesystem", None), ("serialization", "archive/text_oarchive.hpp"), ("date_time", "date_time/date.hpp")]
+boostLibs = [(None, "signals2.hpp"), ("thread", None), ("regex", None), ("program_options", None), ("filesystem", None), ("serialization", "archive/text_oarchive.hpp"), ("date_time", "date_time/date.hpp")]
 allLibsPresent = True
 libNames = []
 for (lib, header) in boostLibs :