--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -59,7 +59,7 @@
 
 include(FindBoost)
 find_package(Boost REQUIRED
-             COMPONENTS filesystem system iostreams program_options regex)
+             COMPONENTS filesystem iostreams program_options regex)
 
 # HEADER CHECKS
 include(CheckIncludeFileCXX)
