diff --git a/CMakeLists.txt b/CMakeLists.txt
index a574f0c..45560d7 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -61,8 +61,8 @@ target_link_libraries(raspi_keyer
   hardware_adc
   tinyusb_device
   tinyusb_board
-  hardware_pio
-  hardware_uart
+  #hardware_pio
+  #hardware_uart
 )
 
 pico_add_extra_outputs(raspi_keyer)