diff --git a/.travis.yml b/.travis.yml
index a81e4c15..e9b80f91 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -17,7 +17,7 @@ matrix:
       script: make mg_prefix
     - os: linux
       compiler: clang
-      script: ls -l /usr/include/mbedtls
+      script: cat  /usr/include/mbedtls/version.h ; grep -r mbedtls_net_send /usr/include/mbedtls/
     - os: linux
       compiler: msvc98
       script: make vc98 vc2017
diff --git a/mongoose.c b/mongoose.c
index a396f0ba..9e4142ad 100644
--- a/mongoose.c
+++ b/mongoose.c
@@ -2922,7 +2922,7 @@ void mg_timer_poll(unsigned long now_ms) {
 
 
 #include <mbedtls/debug.h>
-#include <mbedtls/net_sockets.h>
+//#include <mbedtls/net_sockets.h>
 #include <mbedtls/ssl.h>
 
 struct mg_tls {
diff --git a/src/tls.c b/src/tls.c
index 83359030..80f9c0d3 100644
--- a/src/tls.c
+++ b/src/tls.c
@@ -6,7 +6,7 @@
 #include "util.h"
 
 #include <mbedtls/debug.h>
-#include <mbedtls/net_sockets.h>
+//#include <mbedtls/net_sockets.h>
 #include <mbedtls/ssl.h>
 
 struct mg_tls {