diff --git a/code/espurna/config/build.h b/code/espurna/config/build.h
new file mode 100644
index 00000000..ef312406
--- /dev/null
+++ b/code/espurna/config/build.h
@@ -0,0 +1,5 @@
+// DO NOT EDIT THIS FILE MANUALLY
+// This file is modified by PlatformIO
+// This file should not be pushed when modified, untrack changes with:
+//  git update-index --assume-unchanged code/espurna/config/build.h
+#define APP_BUILD_FLAGS ""