diff --git a/Marlin/src/libs/numtostr.cpp b/Marlin/src/libs/numtostr.cpp
index b9503cb242..aa00b5d6e2 100644
--- a/Marlin/src/libs/numtostr.cpp
+++ b/Marlin/src/libs/numtostr.cpp
@@ -25,7 +25,9 @@
 #include "../inc/MarlinConfigPre.h"
 #include "../core/utility.h"
 
-#pragma GCC diagnostic ignored "-Wimplicit-fallthrough"
+#if !ARDUINO_ARCH_ESP32
+  #pragma GCC diagnostic ignored "-Wimplicit-fallthrough"
+#endif
 
 constexpr char DIGIT(const uint8_t n) { return '0' + n; }
 
diff --git a/ini/esp32.ini b/ini/esp32.ini
index 4afaeaa030..f40b37ef14 100644
--- a/ini/esp32.ini
+++ b/ini/esp32.ini
@@ -45,7 +45,7 @@ extends                = env:esp32
 board                  = marlin_MKS_TinyBee
 platform               = espressif32@~3.5.0
 board_build.partitions = default_8MB.csv
-build_src_flags        = -O3 -Wno-volatile
+build_src_flags        = -O3
 monitor_filters        = esp32_exception_decoder
 
 [env:godi_esp32]
diff --git a/ini/features.ini b/ini/features.ini
index 49e0c5054e..f56175a3d6 100644
--- a/ini/features.ini
+++ b/ini/features.ini
@@ -375,7 +375,7 @@ IS_SCARA                               = build_src_filter=+<src/module/scara.cpp
 HAS_SERVOS                             = build_src_filter=+<src/module/servo.cpp> +<src/gcode/control/M280.cpp>
 MORGAN_SCARA                           = build_src_filter=+<src/gcode/scara>
 HAS_MICROSTEPS                         = build_src_filter=+<src/gcode/control/M350_M351.cpp>
-(ESP3D_)?WIFISUPPORT                   = AsyncTCP, ESP Async WebServer
+(ESP3D_)?WIFISUPPORT                   = esp32async/AsyncTCP@3.3.3, mathieucarbou/ESP Async WebServer@3.0.6
                                          ESP3DLib=https://github.com/luc-github/ESP3DLib/archive/dc0f3d96c6.zip
                                          arduinoWebSockets=links2004/WebSockets@2.3.4
                                          luc-github/ESP32SSDP@1.1.1