diff --git a/CMakeLists.txt b/CMakeLists.txt
index eca821e2858709257edc6ab603ba2831df07fd66..0788bdebcef009abc598d6c499e06978dbcf8abf 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -28,8 +28,5 @@ include(drivers/st7789/st7789)
 # Pull in pico libraries that we need
 target_link_libraries(scope pico_stdlib hardware_spi hardware_pwm hardware_dma rgbled button pico_display pico_graphics st7789)
 
-pico_enable_stdio_usb(scope 1)
-pico_enable_stdio_uart(scope 0)
-
 # create map/bin/hex file etc.
 pico_add_extra_outputs(scope)
diff --git a/scope.cpp b/scope.cpp
index b0dddd81c9d45c579a5f6da68728a08691b7cb15..d3604ec0415268d3ae14f34dd2c46653372a5ebd 100644
--- a/scope.cpp
+++ b/scope.cpp
@@ -25,7 +25,6 @@ Button button_y(PicoDisplay::Y);
 uint8_t red, green, blue;
 
 int main() {
-  stdio_init_all();
 
   led.set_rgb(red, green, blue);
   st7789.set_backlight(255);