diff --git a/examples/mbed-rtos/platformio.ini b/examples/mbed-rtos/platformio.ini
index d386792..d8b705d 100644
--- a/examples/mbed-rtos/platformio.ini
+++ b/examples/mbed-rtos/platformio.ini
@@ -17,15 +17,15 @@ platform = ststm32
 framework = mbed
 board = disco_f303vc
 
-[env:disco_f100rb]
-platform = ststm32
-framework = mbed
-board = disco_f100rb
+; [env:disco_f100rb]
+; platform = ststm32
+; framework = mbed
+; board = disco_f100rb
 
-[env:nucleo_f030r8]
-platform = ststm32
-framework = mbed
-board = nucleo_f030r8
+; [env:nucleo_f030r8]
+; platform = ststm32
+; framework = mbed
+; board = nucleo_f030r8
 
 [env:nucleo_f103rb]
 platform = ststm32
@@ -42,10 +42,10 @@ platform = ststm32
 framework = mbed
 board = nucleo_f401re
 
-[env:nucleo_l053r8]
-platform = ststm32
-framework = mbed
-board = nucleo_l053r8
+; [env:nucleo_l053r8]
+; platform = ststm32
+; framework = mbed
+; board = nucleo_l053r8
 
 [env:nucleo_l152re]
 platform = ststm32