diff --git a/CMakeLists.txt b/CMakeLists.txt
index c5abce9202ffac8bac2df6e6c7c5dc5694441033..82c4111e857288be8fc9a5b02cca06626e6248b2 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -76,13 +76,6 @@ if(NOT HAVE_VSNPRINTF)
   add_definitions(-DHAVE_NO_VSNPRINTF)
 endif(NOT HAVE_VSNPRINTF)
 
-include(CheckFunctionExists)
-check_function_exists(vsnprintf HAVE_VSNPRINTF)
-if(NOT HAVE_VSNPRINTF)
-message(FATAL_ERROR "Compiler does not support function 'vsnprintf'.")
-endif()
-
-
 find_package(OpenGL)
 if(OPENGL_FOUND)
   list(APPEND EXTERNAL_INCLUDES ${OPENGL_INCLUDE_DIR})