diff --git a/platformio_override_sample.ini b/platformio_override_sample.ini
index ba0e83e94..fee38d9e3 100644
--- a/platformio_override_sample.ini
+++ b/platformio_override_sample.ini
@@ -62,14 +62,6 @@ build_flags                 = ${core.build_flags}
 ; Build variant 4MB = 1MB firmware, 1MB OTA, 2MB filesystem (WEMOS D1 Mini, NodeMCU, Sonoff POW)
 ;board                       = esp8266_4M2M
 
-; set CPU frequency to 80MHz (default) or 160MHz
-;board_build.f_cpu           = 160000000L
-
-; set Flash chip frequency to 40MHz (default), 20MHz, 26Mhz, 80Mhz
-;board_build.f_flash         = 20000000L
-;board_build.f_flash         = 26000000L
-;board_build.f_flash         = 80000000L
-
 ; *** Upload Serial reset method for Wemos and NodeMCU
 upload_port                 = COM5