diff --git a/src/effect_phaserStereo_F32.cpp b/src/effect_phaserStereo_F32.cpp
index 9eccb80..849599b 100644
--- a/src/effect_phaserStereo_F32.cpp
+++ b/src/effect_phaserStereo_F32.cpp
@@ -120,7 +120,7 @@ void AudioEffectPhaserStereo_F32::update()
         }
         else    // external modulation signal does not use modulation offset between LR 
         {
-            modSigL = ((float32_t)blockMod->data[i] + 32768.0f) / 65535.0f;    // mod signal is 0.0 to 1.0
+            modSigL = blockMod->data[i];   				 // mod signal is 0.0 to 1.0
             modSigR = modSigL;  
         }
         // apply scale/offset to the modulation wave
diff --git a/src/effect_reverbsc_F32.h b/src/effect_reverbsc_F32.h
index 5c035e1..f01bcaa 100644
--- a/src/effect_reverbsc_F32.h
+++ b/src/effect_reverbsc_F32.h
@@ -17,7 +17,6 @@
 #define _EFFECT_REVERBSC_F32_H_
 	
 #include <Arduino.h>
-#include "Audio.h"
 #include "AudioStream.h"
 #include "AudioStream_F32.h"
 #include "arm_math.h"