diff --git a/.gitignore b/.gitignore
index b01a35a..8fb0f2f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -20,7 +20,6 @@
 *.lai
 *.la
 *.a
-*.lib
 
 # Executables
 *.exe
diff --git a/BLE_EddystoneService/Untitled b/BLE_EddystoneService/Untitled
deleted file mode 100644
index e69de29..0000000
diff --git a/BLE_EddystoneService/mbed-os.lib b/BLE_EddystoneService/mbed-os.lib
new file mode 100644
index 0000000..a94f233
--- /dev/null
+++ b/BLE_EddystoneService/mbed-os.lib
@@ -0,0 +1 @@
+https://github.com/ARMmbed/mbed-os/#d2202045ac8f2fc63836a5b7131c9b56ac58f06a
diff --git a/BLE_EddystoneService/module.json b/BLE_EddystoneService/module.json
deleted file mode 100644
index 345077c..0000000
--- a/BLE_EddystoneService/module.json
+++ /dev/null
@@ -1,17 +0,0 @@
-{
-  "name": "ble-eddystoneservice",
-  "version": "0.0.1",
-  "description": "This example demonstrates how to set up and initialize a Eddystone Beacon.",
-  "licenses": [
-    {
-      "url": "https://spdx.org/licenses/Apache-2.0",
-      "type": "Apache-2.0"
-    }
-  ],
-  "dependencies": {
-    "ble": "^2.0.0",
-    "mbedtls": "2.3.0"
-  },
-  "targetDependencies": {},
-  "bin": "./source"
-}
diff --git a/BLE_EddystoneService/source/EventQueue/util/NordicCriticalSectionLock.h b/BLE_EddystoneService/source/EventQueue/util/NordicCriticalSectionLock.h
index 2855449..748c8cc 100644
--- a/BLE_EddystoneService/source/EventQueue/util/NordicCriticalSectionLock.h
+++ b/BLE_EddystoneService/source/EventQueue/util/NordicCriticalSectionLock.h
@@ -28,6 +28,7 @@
 #include "cmsis.h"
 #include "nrf_soc.h"
 #include "nrf_sdm.h"
+#include "nrf_nvic.h"
 
 namespace util {