diff --git a/platformio_tasmota_core3_env_sample.ini b/platformio_tasmota_core3_env_sample.ini
index e9b3e4877..b829b551c 100644
--- a/platformio_tasmota_core3_env_sample.ini
+++ b/platformio_tasmota_core3_env_sample.ini
@@ -129,11 +129,9 @@ lib_ignore              = ${env:arduino30.lib_ignore}
 extends                 = env:arduino30
 board                   = esp32c2
 build_unflags           = ${env:arduino30.build_unflags}
-                          -flto
                           -mtarget-align
 build_flags             = ${env:arduino30.build_flags}
                           -DFIRMWARE_ARDUINO30
-                          -fno-lto
                           -DOTA_URL='""'
 monitor_filters         = esp32_exception_decoder
 lib_ignore              = ${env:arduino30.lib_ignore}
@@ -142,11 +140,9 @@ lib_ignore              = ${env:arduino30.lib_ignore}
 extends                 = env:arduino30
 board                   = esp32c3
 build_unflags           = ${env:arduino30.build_unflags}
-                          -flto
                           -mtarget-align
 build_flags             = ${env:arduino30.build_flags}
                           -DFIRMWARE_ARDUINO30
-                          -fno-lto
 monitor_filters         = esp32_exception_decoder
 lib_ignore              = ${env:arduino30.lib_ignore}
 
@@ -154,11 +150,9 @@ lib_ignore              = ${env:arduino30.lib_ignore}
 extends                 = env:arduino30
 board                   = esp32c3cdc
 build_unflags           = ${env:arduino30.build_unflags}
-                          -flto
                           -mtarget-align
 build_flags             = ${env:arduino30.build_flags}
                           -DFIRMWARE_ARDUINO30
-                          -fno-lto
 monitor_filters         = esp32_exception_decoder
 lib_ignore              = ${env:arduino30.lib_ignore}
 
@@ -166,10 +160,8 @@ lib_ignore              = ${env:arduino30.lib_ignore}
 extends                 = env:arduino30
 board                   = esp32c6
 build_unflags           = ${env:arduino30.build_unflags}
-                          -flto
                           -mtarget-align
 build_flags             = ${env:arduino30.build_flags}
-                          -fno-lto
                           -DFIRMWARE_ARDUINO30
                           -DOTA_URL='""'
 monitor_filters         = esp32_exception_decoder
@@ -179,10 +171,8 @@ lib_ignore              = ${env:arduino30.lib_ignore}
 extends                 = env:arduino30
 board                   = esp32c6cdc
 build_unflags           = ${env:arduino30.build_unflags}
-                          -flto
                           -mtarget-align
 build_flags             = ${env:arduino30.build_flags}
-                          -fno-lto
                           -DFIRMWARE_ARDUINO30
                           -DOTA_URL='""'
 monitor_filters         = esp32_exception_decoder
@@ -192,10 +182,8 @@ lib_ignore              = ${env:arduino30.lib_ignore}
 extends                 = env:arduino30
 board                   = esp32c6cdc
 build_unflags           = ${env:arduino30.build_unflags}
-                          -flto
                           -mtarget-align
 build_flags             = ${env:arduino30.build_flags}
-                          -fno-lto
                           -DFIRMWARE_ARDUINO30
                           -DUSE_MI_EXT_GUI
                           -DUSE_MI_ESP32