diff --git a/CMakeLists.txt b/CMakeLists.txt
index 93dd2b342..ec4597638 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -114,17 +114,7 @@ if(WITH_LTO)
   endif()
 endif()
 
-check_cxx_compiler_flag("-std=c++11" CXX11_AVAILABLE)
-if (CXX11_AVAILABLE)
-  add_gcc_compiler_cxxflags("-std=c++11")
-else()
-  check_cxx_compiler_flag("-std=c++0x" CXX0X_AVAILABLE)
-  if(CXX0X_AVAILABLE)
-    add_gcc_compiler_cxxflags("-std=c++0x")
-  else()
-    message(FATAL_ERROR "Compiler doesn't support C++11")
-  endif()
-endif()
+add_gcc_compiler_cxxflags("-std=c++11")
 
 if(APPLE)
   add_gcc_compiler_cxxflags("-stdlib=libc++")