diff --git a/postman-monitor/src/main.cpp b/postman-monitor/src/main.cpp
index d4f1872..a5fb282 100644
--- a/postman-monitor/src/main.cpp
+++ b/postman-monitor/src/main.cpp
@@ -54,7 +54,7 @@ void register_nodes(){
   registered[0xC21474D2] = NTYPE_POSTMAN;
   registered[0xABB3B4B8] = NTYPE_POSTMAN;
   registered[0x2D370A07] = NTYPE_POSTMAN;
-  registered[0xBFFBDD7D] = NTYPE_POSTMAN;
+  registered[0xBFFBDD7D] = NTYPE_POSTMAN; //esp32 postman
 }
 //============</registered-nodelist>===========
 
diff --git a/src/main.cpp b/src/main.cpp
index f2ab893..6edb1c0 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -75,9 +75,6 @@
 #elif 0
 #define DISABLE_AP
 #define DISABLE_I2C_REQ
-// (4) network monitor
-#elif 0
-#define SET_CONTAINSROOT
 //
 #endif
 //==========</preset>==========