diff --git a/cmake/external/lite.cmake b/cmake/external/lite.cmake
index ae97b3f061bee7ba064eb76b32a829e348dc7dc0..8b37bae25cf567b6f6385d590ff9bd6efee2234e 100644
--- a/cmake/external/lite.cmake
+++ b/cmake/external/lite.cmake
@@ -183,7 +183,6 @@ if(NOT LITE_SOURCE_DIR OR NOT LITE_BINARY_DIR)
                  -DCMAKE_BUILD_TYPE=${THIRD_PARTY_BUILD_TYPE}
                  ${EXTERNAL_OPTIONAL_ARGS}
                  ${LITE_OPTIONAL_ARGS}
-      CMAKE_GENERATOR "Unix Makefiles"
       BUILD_BYPRODUCTS ${LITE_SHARED_LIB})
   endif()
 endif()