diff --git a/src/mqtt.h b/src/mqtt.h
index 377ba11ee..00877883e 100644
--- a/src/mqtt.h
+++ b/src/mqtt.h
@@ -38,12 +38,6 @@
 
 using uuid::console::Shell;
 
-#define EMSESP_MAX_JSON_SIZE_HA_CONFIG 384 // for small HA config payloads
-#define EMSESP_MAX_JSON_SIZE_SMALL 256     // for smaller json docs when using StaticJsonDocument
-#define EMSESP_MAX_JSON_SIZE_MEDIUM 768    // for medium json docs from ems devices, when using StaticJsonDocument
-#define EMSESP_MAX_JSON_SIZE_LARGE 1024    // for large json docs from ems devices, like boiler or thermostat data. Using StaticJsonDocument
-#define EMSESP_MAX_JSON_SIZE_DYN 2048      // for large json docs from web. Using DynamicJsonDocument
-
 namespace emsesp {
 
 using mqtt_subfunction_p = std::function<bool(const char * message)>;