diff --git a/release-packaging/Classes/FluidOnsetSlice.sc b/release-packaging/Classes/FluidOnsetSlice.sc
deleted file mode 100644
index 8dcfc0d..0000000
--- a/release-packaging/Classes/FluidOnsetSlice.sc
+++ /dev/null
@@ -1,5 +0,0 @@
-FluidOnsetSlice : UGen {
-	*ar { arg in = 0, function = 0, threshold = 0.1, debounce = 2, filterSize = 5, winSize = 1024, hopSize = 256, frameDelta = 0, fftSize = 1024, maFFTSize = 16384;
-		^this.multiNew('audio', in.asAudioRateInput(this), function, threshold, debounce, filterSize, winSize, hopSize, frameDelta, fftSize, maFFTSize)
-	}
-}