diff --git a/CMakeLists.txt b/CMakeLists.txt

index c667c50007..8ce5ba91cd 100644

--- a/CMakeLists.txt

+++ b/CMakeLists.txt

@@ -188,21 +188,6 @@ if (NOT DEFINED CMAKE_C_STANDARD)

   set(CMAKE_C_STANDARD 99)

 endif()

-# Add c++11 flags

-if (NOT DEFINED CMAKE_CXX_STANDARD)

-  set(CMAKE_CXX_STANDARD 11)

-else()

-  if (CMAKE_CXX_STANDARD LESS 11)

-    message(FATAL_ERROR "CMAKE_CXX_STANDARD is less than 11, please specify at least SET(CMAKE_CXX_STANDARD 11)")

-  endif()

-endif()

-if (NOT DEFINED CMAKE_CXX_STANDARD_REQUIRED)

-  set(CMAKE_CXX_STANDARD_REQUIRED ON)

-endif()

-if (NOT DEFINED CMAKE_CXX_EXTENSIONS)

-  set(CMAKE_CXX_EXTENSIONS OFF)

-endif()

-

 if (NOT DEFINED CMAKE_POSITION_INDEPENDENT_CODE)

   set(CMAKE_POSITION_INDEPENDENT_CODE TRUE)

 endif()