diff --git a/CMakeLists.txt b/CMakeLists.txt
index 06871eefc17bb0b24fe8950f5d7ccd73bd25f684..cef2941d18b743f39e52655a769307021158795f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -41,7 +41,7 @@ if(UNIX)
 
     if (ANDROID)
         set(_CCOPT "${_CCOPT} -fforce-enable-int128 -std=gnu11")
-        add_definitions ("-DDAP_OS_ANDROID -DDAP_OS_UNIX")
+        add_definitions ("-DDAP_OS_ANDROID")
     endif()
 
     set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${_CCOPT}")