diff --git a/CMakeLists.txt b/CMakeLists.txt
index f8285b8..7ab9fe1 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -70,10 +70,6 @@ else(CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
# Disable C++ exceptions.
string(REGEX REPLACE "-fexceptions" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-exceptions")
-
- # Disable RTTI.
- string(REGEX REPLACE "-frtti" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
- set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-rtti")
endif(CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
# Test whether -Wthread-safety is available. See