diff --git a/CMakeLists.txt b/CMakeLists.txt
index b5e8758..bb488d6 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -24,9 +24,6 @@ ELSEIF (CMAKE_SYSTEM_NAME MATCHES "FreeBSD")
   MESSAGE(STATUS "current platform: FreeBSD")
 ELSEIF (CMAKE_SYSTEM_NAME MATCHES "Darwin")
   MESSAGE(STATUS "current platform: MacOS")
-  set(OPENSSL_ROOT_DIR "/usr/local/opt/openssl" )
-  set(OPENSSL_LIBRARIES "/usr/local/opt/openssl/lib" )
-  set(OPENSSL_INCLUDE_DIR "/usr/local/opt/openssl/include" )
 ELSE ()
   MESSAGE(STATUS "other platform: ${CMAKE_SYSTEM_NAME}")
 ENDIF (CMAKE_SYSTEM_NAME MATCHES "Linux")