diff --git a/lib/device/sio/network.cpp b/lib/device/sio/network.cpp
index d48932888..852c46a6d 100755
--- a/lib/device/sio/network.cpp
+++ b/lib/device/sio/network.cpp
@@ -1045,12 +1045,8 @@ void sioNetwork::sio_set_translation()
 
 void sioNetwork::sio_parse_json()
 {
-    heap_trace_start(HEAP_TRACE_LEAKS);
     json->parse();
     sio_complete();
-    heap_trace_stop();
-    Debug_printv("heap trace follows\r\n");
-    heap_trace_dump();
 }
 
 void sioNetwork::sio_set_json_query()
diff --git a/lib/network-protocol/FS.cpp b/lib/network-protocol/FS.cpp
index 414480ff2..75986e331 100755
--- a/lib/network-protocol/FS.cpp
+++ b/lib/network-protocol/FS.cpp
@@ -228,8 +228,6 @@ bool NetworkProtocolFS::read_dir(unsigned short len)
 {
     bool ret;
 
-    heap_trace_start(HEAP_TRACE_LEAKS);
-
     if (receiveBuffer->length() == 0)
     {
         *receiveBuffer = dirBuffer.substr(0, len);