diff --git a/Rakefile b/Rakefile
index 037b670..688d6e7 100644
--- a/Rakefile
+++ b/Rakefile
@@ -198,6 +198,16 @@ task :flash => APPLICATION+".bin" do |t|
   sh "dfu-util --device 1209:4356 --download #{t.source}"
 end
 
+desc "remove STM32F1 protection using SWD"
+task :remove_protection do
+  case SWD_ADAPTER
+    when "STLINKV2"
+      sh "#{OOCD} --file interface/#{OOCD_INTERFACE}.cfg --file target/#{OOCD_TARGET}.cfg --command 'init' --command 'reset init'  --command 'stm32f1x unlock 0' --command 'reset init' --command 'flash protect 0 0 last off' --command 'reset init' --command 'stm32f1x options_write 0 SWWDG NORSTSTNDBY NORSTSTOP' --command 'reset init' --command 'stm32f1x mass_erase 0' --command 'shutdown'"
+    when "BMP"
+      sh "#{GDB} --eval-command='target extended-remote #{BMP_PORT}' --eval-command='set confirm off' --eval-command='monitor swdp_scan' --eval-command='attach 1' --eval-command='monitor option erase' --eval-command='monitor erase_mass' --eval-command='kill' --eval-command='quit'"
+  end
+end
+
 desc "flash bootloader using SWD"
 task :flash_bootloader => BOOTLOADER+".hex" do |t|
   case SWD_ADAPTER