diff --git a/ports/stm/boards/cygnet/mpconfigboard.mk b/ports/stm/boards/cygnet/mpconfigboard.mk
index 9cc06e474ba4..21324f01243b 100644
--- a/ports/stm/boards/cygnet/mpconfigboard.mk
+++ b/ports/stm/boards/cygnet/mpconfigboard.mk
@@ -64,7 +64,7 @@ CIRCUITPY_PIXELBUF = 0
 CIRCUITPY_PIXELMAP = 0
 CIRCUITPY_PULSEIO = 1
 CIRCUITPY_PWMIO = 1
-CIRCUITPY_RANDOM = 1
+CIRCUITPY_RANDOM = 0
 CIRCUITPY_RAINBOWIO = 0
 CIRCUITPY_RE = 0
 CIRCUITPY_REQUIRE_I2C_PULLUPS = 0