--- libtrellis/CMakeLists.txt.orig	2025-08-31 16:45:20 UTC
+++ libtrellis/CMakeLists.txt
@@ -46,7 +46,7 @@ endif()
     endif()
 endif()
 
-set(boost_libs filesystem program_options system)
+set(boost_libs filesystem program_options)
 if (Threads_FOUND)
     list(APPEND boost_libs thread)
 else()