diff --git a/pkgs/applications/audio/fluidsynth/default.nix b/pkgs/applications/audio/fluidsynth/default.nix
index 413e7d0661b0..b0c5a88cb1a6 100644
--- a/pkgs/applications/audio/fluidsynth/default.nix
+++ b/pkgs/applications/audio/fluidsynth/default.nix
@@ -13,7 +13,6 @@ stdenv.mkDerivation  rec {
   preBuild = stdenv.lib.optionalString stdenv.isDarwin ''
     sed -i '40 i\
     #include <CoreAudio/AudioHardware.h>\
-    #include <CoreAudio/AudioHardwareBase.h>\
     #include <CoreAudio/AudioHardwareDeprecated.h>' \
     src/drivers/fluid_coreaudio.c
   '';