diff --git a/extra_script.py b/extra_script.py
deleted file mode 100644
index 0f3cfa1..0000000
--- a/extra_script.py
+++ /dev/null
@@ -1,7 +0,0 @@
-Import('env')
-from os.path import join, realpath
-
-env.Append(
-    LIBPATH=[realpath(join('src', env.get('BOARD_MCU')))],
-    LIBS=['algobsec']
-)
diff --git a/library.json b/library.json
index 395aa75..277358d 100644
--- a/library.json
+++ b/library.json
@@ -14,8 +14,7 @@
   "frameworks": "arduino",
   "platforms": "*",
   "build": {
-    "includeDir": "src/inc",
-    "extraScript": "extra_script.py"
+    "builder": "ArduinoLibBuilder"
   },
   "examples": [
     {