diff --git a/esphome/components/json/__init__.py b/esphome/components/json/__init__.py
index ae626d177c..9773bf67ce 100644
--- a/esphome/components/json/__init__.py
+++ b/esphome/components/json/__init__.py
@@ -14,5 +14,4 @@ CONFIG_SCHEMA = cv.All(
 async def to_code(config):
     cg.add_library("bblanchon/ArduinoJson", "7.4.2")
     cg.add_define("USE_JSON")
-    cg.add_define("ARDUINOJSON_ENABLE_STD_STRING", "1")
     cg.add_global(json_ns.using)