diff --git a/.circleci/config.yml b/.circleci/config.yml
index 7b2c5b7c..69d70068 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -133,6 +133,10 @@ commands:
             - change_mbed_os_version:
                 version: "5.2.3"
             - check_inspection
+            - run:
+                name: Removing mbed_app.json for 5.1.5
+                working_directory: integration_tests/supported-tests
+                command: rm mbed_app.json
             - change_mbed_os_version:
                 version: "5.1.5"
             - check_inspection
diff --git a/mbed/mbed.py b/mbed/mbed.py
index e9df7e32..c3b13ddd 100755
--- a/mbed/mbed.py
+++ b/mbed/mbed.py
@@ -37,6 +37,7 @@
 import re
 import subprocess
 import os
+import json
 import platform
 import contextlib
 import shutil
@@ -221,6 +222,13 @@ def hide_progress(max_width=80):
     if sys.stdout.isatty():
         sys.stdout.write("\r%s\r" % (' ' * max_width))
 
+def create_default_mbed_app():
+    # Default data content
+    data = {'target_overrides':{'K64F':{'platform.stdio-baud-rate': 9600}}}
+    filehandler = open("mbed_app.json","w")
+    json.dump(data, filehandler, indent=4)
+    filehandler.close()
+
 # Process execution
 class ProcessException(Exception):
     pass
@@ -2088,6 +2096,7 @@ def new(name, scm='git', program=False, library=False, mbedlib=False, create_onl
             try:
                 with cd(d_path):
                     add(url, path=d, depth=depth, protocol=protocol, top=False)
+                    create_default_mbed_app()
             except Exception as e:
                 if os.path.isdir(os.path.join(d_path, d)):
                     rmtree_readonly(os.path.join(d_path, d))