diff --git a/platformio.ini b/platformio.ini
index 7848e6cd6..dd751b1df 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -424,7 +424,9 @@ board = esp32dev
 platform = ${esp32_idf_V4.platform}
 platform_packages = ${esp32_idf_V4.platform_packages}
 build_unflags = ${common.build_unflags}
+  -fno-lto
 build_flags = ${common.build_flags} ${esp32_idf_V4.build_flags} -D WLED_RELEASE_NAME=ESP32_8M #-D WLED_DISABLE_BROWNOUT_DET
+  -g3 -ggdb -flto=auto ;; enable size optimization by the linker - comment out when debugging. ("=4" just means "use 4 cores in parallel")
   ${esp32.AR_build_flags}
 lib_deps = ${esp32_idf_V4.lib_deps}
   ${esp32.AR_lib_deps}