diff --git a/.github/workflows/build_arm.yml b/.github/workflows/build_arm.yml
index 72ddf164b..44a5e7363 100644
--- a/.github/workflows/build_arm.yml
+++ b/.github/workflows/build_arm.yml
@@ -39,7 +39,6 @@ jobs:
         - 'lpc51 lpc54'
         - 'mm32 msp432e4'
         - 'nrf'
-        - 'ra'
         - 'samd11 samd21'
         - 'samd51 same5x'
         - 'saml2x'
diff --git a/.idea/cmake.xml b/.idea/cmake.xml
index 519623b71..4147bba59 100644
--- a/.idea/cmake.xml
+++ b/.idea/cmake.xml
@@ -44,8 +44,10 @@
       <configuration PROFILE_NAME="stm32l476disco" ENABLED="false" CONFIG_NAME="Debug" GENERATION_OPTIONS="-DBOARD=stm32l476disco" />
       <configuration PROFILE_NAME="ra4m1" ENABLED="false" CONFIG_NAME="Debug" GENERATION_OPTIONS="-DBOARD=ra4m1_ek -DLOG=3 -DLOGGER=RTT" />
       <configuration PROFILE_NAME="ra6m1" ENABLED="false" CONFIG_NAME="Debug" GENERATION_OPTIONS="-DBOARD=ra6m1_ek -DLOG=3 -DLOGGER=RTT" />
-      <configuration PROFILE_NAME="ra6m5" ENABLED="true" CONFIG_NAME="Debug" GENERATION_OPTIONS="-DBOARD=ra6m5_ek -DLOG=3 -DLOGGER=RTT -DTRACE_ETM=1" />
-      <configuration PROFILE_NAME="ra6m5 PORT0" ENABLED="true" CONFIG_NAME="Debug" GENERATION_OPTIONS="-DBOARD=ra6m5_ek -DLOG=3 -DLOGGER=RTT -DTRACE_ETM=1 -DPORT=0" />
+      <configuration PROFILE_NAME="ra6m5" ENABLED="false" CONFIG_NAME="Debug" GENERATION_OPTIONS="-DBOARD=ra6m5_ek -DLOG=3 -DLOGGER=RTT -DTRACE_ETM=1" />
+      <configuration PROFILE_NAME="ra6m5 PORT0" ENABLED="false" CONFIG_NAME="Debug" GENERATION_OPTIONS="-DBOARD=ra6m5_ek -DLOG=3 -DLOGGER=RTT -DTRACE_ETM=1 -DPORT=0" />
+      <configuration PROFILE_NAME="uno_r4" ENABLED="false" CONFIG_NAME="Debug" GENERATION_OPTIONS="-DBOARD=uno_r4 -DLOG=4 -DLOGGER=RTT" />
+      <configuration PROFILE_NAME="portenta_c33" ENABLED="false" CONFIG_NAME="Debug" GENERATION_OPTIONS="-DBOARD=portenta_c33 -DLOG=3" />
     </configurations>
   </component>
 </project>
\ No newline at end of file
diff --git a/.idea/runConfigurations/uno_r4.xml b/.idea/runConfigurations/uno_r4.xml
new file mode 100644
index 000000000..9982f4039
--- /dev/null
+++ b/.idea/runConfigurations/uno_r4.xml
@@ -0,0 +1,10 @@
+<component name="ProjectRunConfigurationManager">
+  <configuration default="false" name="uno_r4" type="com.jetbrains.cidr.embedded.customgdbserver.type" factoryName="com.jetbrains.cidr.embedded.customgdbserver.factory" PROGRAM_PARAMS="-device &quot;R7FA4M1AB&quot; -if swd -speed 20000 -port 25321 -nogui -singlerun -jlinkscriptfile $PROJECT_DIR$/hw/bsp/ra/debug.jlinkscript" REDIRECT_INPUT="false" ELEVATE="false" USE_EXTERNAL_CONSOLE="false" EMULATE_TERMINAL="false" PASS_PARENT_ENVS_2="true" PROJECT_NAME="cdc_msc" TARGET_NAME="cdc_msc" version="1" RUN_TARGET_PROJECT_NAME="cdc_msc" RUN_TARGET_NAME="cdc_msc">
+    <custom-gdb-server version="1" gdb-connect="tcp::25321" executable="/usr/bin/JLinkGDBServer" warmup-ms="0" download-type="UPDATED_ONLY" reset-cmd="monitor reset" reset-type="AFTER_DOWNLOAD">
+      <debugger kind="GDB" isBundled="true" />
+    </custom-gdb-server>
+    <method v="2">
+      <option name="CLION.COMPOUND.BUILD" enabled="true" />
+    </method>
+  </configuration>
+</component>
\ No newline at end of file
diff --git a/hw/bsp/ra/family.mk b/hw/bsp/ra/family.mk
index cf8e5d9e9..901808958 100644
--- a/hw/bsp/ra/family.mk
+++ b/hw/bsp/ra/family.mk
@@ -3,12 +3,14 @@ DEPS_SUBMODULES += hw/mcu/renesas/fsp lib/CMSIS_5
 FSP_RA = hw/mcu/renesas/fsp/ra/fsp
 include $(TOP)/$(BOARD_PATH)/board.mk
 
+# Don't include options setting in .bin file since it create unnecessary large file due to padding
 OBJCOPY_BIN_OPTION = --only-section .text --only-section .data --only-section .rodata --only-section .bss
 
 # Default to port 0 fullspeed, board with port 1 highspeed should override this in board.mk
 PORT ?= 0
 
 CFLAGS += \
+  -flto \
   -DCFG_TUSB_MCU=OPT_MCU_RAXXX \
   -DBOARD_TUD_RHPORT=$(PORT) \
 	-Wno-error=undef \