diff --git a/ports/esp32/boards/sdkconfig.spiram b/ports/esp32/boards/sdkconfig.spiram
index 4dfc63624..f5503d554 100644
--- a/ports/esp32/boards/sdkconfig.spiram
+++ b/ports/esp32/boards/sdkconfig.spiram
@@ -12,4 +12,7 @@ CONFIG_SPIRAM_MALLOC_ALWAYSINTERNAL=8192
 # SPIRAM increases the size of the firmware and overflows iram0_0_seg, due
 # to PSRAM bug workarounds.  Apply some options to reduce the firmware size.
 CONFIG_COMPILER_OPTIMIZATION_SIZE=y
+CONFIG_COMPILER_OPTIMIZATION_CHECKS_SILENT=y
+CONFIG_RINGBUF_PLACE_FUNCTIONS_INTO_FLASH=y
 CONFIG_FREERTOS_PLACE_FUNCTIONS_INTO_FLASH=y
+CONFIG_FREERTOS_PLACE_SNAPSHOT_FUNS_INTO_FLASH=y