diff --git a/platformio.ini b/platformio.ini
index 4f1654e..f0cca78 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -51,7 +51,7 @@ build_flags =
 	;-D BLE_PAIR_ON_BOOT
 	; Keep the unreferenced firmware version marker through linker --gc-sections
 	-Wl,-u,fw_version_marker
-build_type = debug
+build_type = release
 debug_speed = 12000
 debug_tool = esp-builtin
 lib_deps =
diff --git a/sdkconfig.OpenPPG-CESP32S3-CAN-SP140 b/sdkconfig.OpenPPG-CESP32S3-CAN-SP140
index 2111f74..63657f6 100644
--- a/sdkconfig.OpenPPG-CESP32S3-CAN-SP140
+++ b/sdkconfig.OpenPPG-CESP32S3-CAN-SP140
@@ -208,9 +208,9 @@ CONFIG_ARDUHAL_PARTITION_SCHEME="default"
 #
 # Compiler options
 #
-CONFIG_COMPILER_OPTIMIZATION_DEFAULT=y
+# CONFIG_COMPILER_OPTIMIZATION_DEFAULT is not set
 # CONFIG_COMPILER_OPTIMIZATION_SIZE is not set
-# CONFIG_COMPILER_OPTIMIZATION_PERF is not set
+CONFIG_COMPILER_OPTIMIZATION_PERF=y
 # CONFIG_COMPILER_OPTIMIZATION_NONE is not set
 CONFIG_COMPILER_OPTIMIZATION_ASSERTIONS_ENABLE=y
 # CONFIG_COMPILER_OPTIMIZATION_ASSERTIONS_SILENT is not set
@@ -1080,7 +1080,6 @@ CONFIG_FREERTOS_TIMER_QUEUE_LENGTH=10
 CONFIG_FREERTOS_QUEUE_REGISTRY_SIZE=0
 # CONFIG_FREERTOS_USE_TRACE_FACILITY is not set
 # CONFIG_FREERTOS_GENERATE_RUN_TIME_STATS is not set
-CONFIG_FREERTOS_TASK_FUNCTION_WRAPPER=y
 CONFIG_FREERTOS_CHECK_MUTEX_GIVEN_BY_OWNER=y
 # CONFIG_FREERTOS_CHECK_PORT_CRITICAL_COMPLIANCE is not set
 # CONFIG_FREERTOS_PLACE_FUNCTIONS_INTO_FLASH is not set
@@ -1733,7 +1732,7 @@ CONFIG_MONITOR_BAUD_115200B=y
 # CONFIG_MONITOR_BAUD_OTHER is not set
 CONFIG_MONITOR_BAUD_OTHER_VAL=115200
 CONFIG_MONITOR_BAUD=115200
-CONFIG_COMPILER_OPTIMIZATION_LEVEL_DEBUG=y
+# CONFIG_COMPILER_OPTIMIZATION_LEVEL_DEBUG is not set
 # CONFIG_COMPILER_OPTIMIZATION_LEVEL_RELEASE is not set
 CONFIG_OPTIMIZATION_ASSERTIONS_ENABLED=y
 # CONFIG_OPTIMIZATION_ASSERTIONS_SILENT is not set
diff --git a/sdkconfig.defaults b/sdkconfig.defaults
index 503da6c..49e6e8f 100644
--- a/sdkconfig.defaults
+++ b/sdkconfig.defaults
@@ -28,6 +28,9 @@ CONFIG_ESP_TASK_WDT_PANIC=y
 # field crash backtrace can be pulled over USB (espcoredump.py) during testing.
 CONFIG_ESP_COREDUMP_ENABLE_TO_FLASH=y
 CONFIG_ESP_COREDUMP_DATA_FORMAT_ELF=y
+# Optimize production firmware for runtime performance. Assertions remain
+# enabled at level 2 in the environment-specific sdkconfig.
+CONFIG_COMPILER_OPTIMIZATION_PERF=y
 # Watchdog scope: only the throttle control loop + its watchdog task explicitly
 # subscribe to the Task WDT (see main.cpp). Do NOT also watch the idle tasks —
 # with idle-task checking on, ANY non-safety task (UI/BMS/BLE/a cache-disabled
@@ -35,4 +38,4 @@ CONFIG_ESP_COREDUMP_DATA_FORMAT_ELF=y
 # device, which the design explicitly forbids. A genuine throttle-loop stall
 # still reboots via its own esp_task_wdt_add subscription.
 CONFIG_ESP_TASK_WDT_CHECK_IDLE_TASK_CPU0=n
-CONFIG_ESP_TASK_WDT_CHECK_IDLE_TASK_CPU1=n
\ No newline at end of file
+CONFIG_ESP_TASK_WDT_CHECK_IDLE_TASK_CPU1=n