diff --git a/plugin.json b/plugin.json
index 58c49c1..b84e5e5 100644
--- a/plugin.json
+++ b/plugin.json
@@ -1,6 +1,6 @@
 {
   "slug": "Befaco",
-  "version": "1.1.0",
+  "version": "1.0.1",
   "license": "GPL-3.0-or-later",
   "name": "Befaco",
   "author": "VCV",
diff --git a/src/Kickall.cpp b/src/Kickall.cpp
index 066ebab..6b570d7 100644
--- a/src/Kickall.cpp
+++ b/src/Kickall.cpp
@@ -82,8 +82,8 @@ struct Kickall : Module {
 		pitch.decayTime = params[TIME_PARAM].getValue();
 		pitch.process(args.sampleTime);
 
-		// volume envelope TODO: wire in decay CV
-		volume.decayTime = params[DECAY_PARAM].getValue();
+		// volume envelope TODO: calibrate CV/slider interaction
+		volume.decayTime = clamp(params[DECAY_PARAM].getValue() + inputs[DECAY_INPUT].getVoltage() * 0.1f, 0.01, 1.0);
 		volume.process(args.sampleTime);
 
 		float freq = params[TUNE_PARAM].getValue();
diff --git a/src/Percall.cpp b/src/Percall.cpp
index 2091508..ccc0935 100644
--- a/src/Percall.cpp
+++ b/src/Percall.cpp
@@ -2,13 +2,6 @@
 #include "Common.hpp"
 
 
-static float expDelta(float delta, float tau) {
-	float lin = sgn(delta) * 10.f / tau;
-	float exp = M_E * delta / tau;
-	return crossfade(lin, exp, 0.90f);
-}
-
-
 struct Percall : Module {
 	enum ParamIds {
 		ENUMS(VOL_PARAMS, 4),
@@ -36,7 +29,7 @@ struct Percall : Module {
 	ADEnvelope envs[4];
 
 	float gains[4] = {};
-	
+
 	float strength = 1.0f;
 	dsp::SchmittTrigger trigger[4];
 	dsp::ClockDivider cvDivider;