diff --git a/MicroMDAEPiano.ino b/MicroMDAEPiano.ino
index 8a6da1d..53c8c0b 100644
--- a/MicroMDAEPiano.ino
+++ b/MicroMDAEPiano.ino
@@ -751,12 +751,8 @@ void show_sound(void)
   Serial.println(configuration.reverb_level, DEC);
   Serial.print(F("Chorus Frequency: "));
   Serial.println(configuration.chorus_frequency, DEC);
-  Serial.print(F("Chorus Delay: "));
-  Serial.println(configuration.chorus_delay, DEC);
   Serial.print(F("Chorus Intensity: "));
   Serial.println(configuration.chorus_intensity, DEC);
-  Serial.print(F("Chorus Feedback: "));
-  Serial.println(configuration.chorus_feedback, DEC);
   Serial.print(F("Chorus Waveform: "));
   Serial.println(configuration.chorus_waveform, DEC);
   Serial.print(F("Chorus Level: "));
diff --git a/UI.hpp b/UI.hpp
index 9e13aeb..8ebf64f 100644
--- a/UI.hpp
+++ b/UI.hpp
@@ -236,14 +236,6 @@ char* get_chorus_frequency_value_text(void)
   return (chorus_frequency_value_text1);
 }
 
-char chorus_delay_value_text1[] = "       ";
-char* get_chorus_delay_value_text(void)
-{
-  sprintf(chorus_delay_value_text1, "%02.1f ms", float(configuration.chorus_delay) / 10);
-
-  return (chorus_delay_value_text1);
-}
-
 char chorus_waveform_value_text1[] = "       ";
 char* get_chorus_waveform_value_text(void)
 {
diff --git a/config.h b/config.h
index ea9165c..dcfdf68 100644
--- a/config.h
+++ b/config.h
@@ -348,9 +348,7 @@ struct config_t {
   uint8_t reverb_damping;
   uint8_t reverb_level;
   uint8_t chorus_frequency;
-  uint8_t chorus_delay;
   uint8_t chorus_intensity;
-  uint8_t chorus_feedback;
   uint8_t chorus_waveform;
   uint8_t chorus_level;
   uint8_t bass_lr_level;