diff --git a/CMakeLists.txt b/CMakeLists.txt
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,9 +1,8 @@
 cmake_minimum_required(VERSION 3.1)
 project(TriangleMeshDistance)
 set(CMAKE_CXX_STANDARD 11)
 
-add_subdirectory(tests)
 
 if(NOT DEFINED CMAKE_INSTALL_INCLUDEDIR)
     SET(CMAKE_INSTALL_INCLUDEDIR include CACHE
         PATH "Output directory for header files")