diff --git a/drumset.h b/drumset.h
index eae337e..9bbddbc 100644
--- a/drumset.h
+++ b/drumset.h
@@ -219851,6 +219851,7 @@ PROGMEM const uint8_t DRUM_Casta[] = {
   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
   0x00, 0x00,
 };
+#ifdef TEENSY4
 // Converted from CR78Kick.wav, length = 10048 bytes
 PROGMEM const uint8_t DRUM_Cr78kick[] = {
   0x3b, 0x00, 0xa7, 0xff, 0x10, 0x00, 0x29, 0xf9, 0xdc, 0xf1, 0x8a, 0xf7,
@@ -224616,6 +224617,7 @@ PROGMEM const uint8_t DRUM_Cr78tmb2[] = {
   0x71, 0x00, 0x1c, 0x00, 0xc7, 0xff, 0x7f, 0xff, 0x68, 0xff, 0x8c, 0xff
   , 0x00, 0x00, 0x00, 0x00,
 };
+#endif
 // Converted from Crash1.wav, length = 72768 bytes
 PROGMEM const uint8_t DRUM_Crash1[] = {
   0x75, 0x00, 0x74, 0x00, 0x89, 0x00, 0x5f, 0x00, 0x70, 0x00, 0x4e, 0x00,
@@ -276890,6 +276892,7 @@ drum_config_t drum_config[NUM_DRUMSET_CONFIG] =
     0.0,
     0.0
   },
+#ifdef TEENSY4
   {
     DRUM_BASS,
     MIDI_B5,
@@ -276932,6 +276935,7 @@ drum_config_t drum_config[NUM_DRUMSET_CONFIG] =
     0.0,
     0.0
   },
+#endif
   {
     DRUM_BASS,
     MIDI_D6,