diff --git a/include/mraa_internal.h b/include/mraa_internal.h
index f301bed..22c4ad5 100644
--- a/include/mraa_internal.h
+++ b/include/mraa_internal.h
@@ -53,14 +53,6 @@ mraa_result_t mraa_setup_mux_mapped(mraa_pin_t meta);
  */
 mraa_mmap_pin_t* mraa_setup_mmap_gpio(int pin);
 
-/**
- * Swap Directional mode.
- *
- * @param pin physical pin to operate on
- * @return out direction to setup. 1 for output 0 for input
- */
-mraa_result_t mraa_swap_complex_gpio(int pin, int out);
-
 /**
  * Setup uart muxes to exposes the pins physically.
  *