diff --git a/ports/espressif/mpconfigport.mk b/ports/espressif/mpconfigport.mk
index da44c7c1c2e2d..f05df8c07c87a 100644
--- a/ports/espressif/mpconfigport.mk
+++ b/ports/espressif/mpconfigport.mk
@@ -82,6 +82,7 @@ CIRCUITPY_PS2IO ?= 1
 CIRCUITPY_RGBMATRIX ?= 1
 CIRCUITPY_ROTARYIO ?= 1
 CIRCUITPY_SDIOIO ?= 1
+CIRCUITPY_SETTABLE_PROCESSOR_FREQUENCY ?= 1
 CIRCUITPY_SYNTHIO_MAX_CHANNELS ?= 12
 CIRCUITPY_TOUCHIO_USE_NATIVE ?= 1
 CIRCUITPY_WATCHDOG ?= 1
@@ -269,11 +270,12 @@ endif
 ifeq ($(CIRCUITPY_ESP_FLASH_SIZE),2MB)
 CIRCUITPY__EVE = 0
 CIRCUITPY_AUDIOMP3 = 0
-CIRCUITPY_BITMAPFILTER ?= 0
+CIRCUITPY_BITMAPFILTER = 0
 CIRCUITPY_BLEIO_NATIVE = 0
 CIRCUITPY_DUALBANK = 0
 CIRCUITPY_MAX3421E = 0
 CIRCUITPY_RGBMATRIX = 0
+CIRCUITPY_SETTABLE_PROCESSOR_FREQUENCY = 0
 OPTIMIZATION_FLAGS ?= -Os
 endif