diff --git a/example/CMakeLists.txt b/example/CMakeLists.txt
index 017f560..2636e88 100644
--- a/example/CMakeLists.txt
+++ b/example/CMakeLists.txt
@@ -8,7 +8,6 @@ set(EXAMPLES
     streamWrite
 )
 add_definitions(-D_GLIBCXX_USE_CXX11_ABI)
-set_property(DIRECTORY PROPERTY COMPILE_OPTIONS ${EXTRA_CXX_FLAGS})
 
 if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU" OR CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra ")