diff --git a/platformio.ini b/platformio.ini
index 07946bc..4bbc069 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -18,7 +18,6 @@ framework = arduino
 platform = espressif32@>=6.0.0
 
 build_flags =
-    -D=${PIOENV}
     -DCOMPONENT_EMBED_FILES=webapp_dist/index.html.gz:webapp_dist/zones.json.gz:webapp_dist/favicon.ico:webapp_dist/js/app.js.gz
     -Wall -Wextra -Werror