diff --git a/app/src/main/jni/ndn-cxx-android/ndn-cxx-config.hpp b/app/src/main/jni/ndn-cxx-android/ndn-cxx-config.hpp
index f669a93..d7d1858 100644
--- a/app/src/main/jni/ndn-cxx-android/ndn-cxx-config.hpp
+++ b/app/src/main/jni/ndn-cxx-android/ndn-cxx-config.hpp
@@ -1,7 +1,7 @@
 #ifndef W_SRC_NDN_CXX_CONFIG_HPP_WAF
 #define W_SRC_NDN_CXX_CONFIG_HPP_WAF
 
-#define NDN_CXX_HAVE_STD_TO_STRING 1
+// #define NDN_CXX_HAVE_STD_TO_STRING 1
 #define NDN_CXX_HAVE_VECTOR_INSERT_ERASE_CONST_ITERATOR 1
 #define NDN_CXX_HAVE_IS_DEFAULT_CONSTRUCTIBLE 1
 #define NDN_CXX_HAVE_IS_NOTHROW_MOVE_CONSTRUCTIBLE 1