diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9be0d89a9..52b34101f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -6,8 +6,6 @@ if(NOT DEFINED CMAKE_MACOSX_RPATH)
   set(CMAKE_MACOSX_RPATH 0)
 endif()
 
-set(CMAKE_CXX_STANDARD 17)
-
 # Set the version number for the library
 set (GTSAM_VERSION_MAJOR 4)
 set (GTSAM_VERSION_MINOR 3)