diff --git a/boards/deneyapminiv2.json b/boards/deneyapminiv2.json
index db55c26..b0c6cfd 100644
--- a/boards/deneyapminiv2.json
+++ b/boards/deneyapminiv2.json
@@ -4,7 +4,6 @@
       "ldscript": "esp32s2_out.ld"
     },
     "core": "esp32",
-    "extra_flags": "-",
     "extra_flags": [
       "-DBOARD_HAS_PSRAM",
       "-DARDUINO_DYMv2",