--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -159,7 +159,7 @@ endif()
 if( NOT $ENV{BOOST_LIBRARYDIR} STREQUAL "" )
   set(Boost_LIBRARY_DIRS $ENV{BOOST_LIBRARYDIR})
 endif()
-find_package(Boost COMPONENTS filesystem system REQUIRED)
+find_package(Boost COMPONENTS filesystem REQUIRED)
 
 message(STATUS "found boost version: ${Boost_VERSION}")
 
