diff --git a/CMakeLists.txt b/CMakeLists.txt
index 5efe9c92ab..ea96b79f1b 100755
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,9 +1,6 @@
 # ==================================================================================================
 # CMake
 # ==================================================================================================
-if(${CMAKE_SOURCE_DIR} STREQUAL ${CMAKE_BINARY_DIR})
-    message(FATAL_ERROR "Prevented in-tree build. Create a sub-directory and invoke cmake from there.")
-endif()
 cmake_minimum_required(VERSION 3.1)
 
 if (WIN32)