diff --git a/CMakeLists.txt b/CMakeLists.txt
index 20fa8d5..e305d1a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2,7 +2,6 @@ cmake_minimum_required(VERSION 3.5)
 
 project (tkDNN)
 set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${CMAKE_CURRENT_SOURCE_DIR}/cmake)
-set(CMAKE_BUILD_TYPE "Release")
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11 -fPIC")
 include_directories(${CMAKE_CURRENT_SOURCE_DIR}/include/tkDNN)