diff --git a/input_i2s_f32.cpp b/input_i2s_f32.cpp
index 96fd170..4fb4ddf 100644
--- a/input_i2s_f32.cpp
+++ b/input_i2s_f32.cpp
@@ -34,10 +34,8 @@
  */
  
 #include <Arduino.h>  //do we really need this? (Chip: 2020-10-31)
-// #include "input_i2s_f32.h"  <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
-// #include "output_i2s_f32.h"  <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
-#include "input_i2s_OA_f32.h"
-#include "output_i2s_OA_F32.h"
+#include "input_i2s_f32.h"
+#include "output_i2s_f32.h"
 
 #include <arm_math.h>
 
diff --git a/output_i2s_f32.cpp b/output_i2s_f32.cpp
index 810a1fd..bdb2aae 100644
--- a/output_i2s_f32.cpp
+++ b/output_i2s_f32.cpp
@@ -1,7 +1,7 @@
 /*
  *  ***** output_i2s_f32.cpp  *****
-
-/* Audio Library for Teensy 3.X
+ * 
+ * Audio Library for Teensy 3.X
  * Copyright (c) 2014, Paul Stoffregen, paul@pjrc.com
  *
  * Development of this audio library was funded by PJRC.COM, LLC by sales of
@@ -35,8 +35,7 @@
  
  
 
-// #include "output_i2s_f32.h"  <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
-#include "output_i2s_OA_F32.h"
+#include "output_i2s_f32.h"
 //#include "input_i2s_f32.h"
 //include "memcpy_audio.h"
 //#include "memcpy_interleave.h"