diff --git a/packages/superdough/helpers.mjs b/packages/superdough/helpers.mjs
index 451412d5..a2329cda 100644
--- a/packages/superdough/helpers.mjs
+++ b/packages/superdough/helpers.mjs
@@ -154,7 +154,6 @@ export function createFilter(context, type, frequency, Q, att, dec, sus, rel, fe
   if (!isNaN(fenv) && fenv !== 0) {
     const offset = fenv * fanchor;
 
-    const min = clamp(2 ** -offset * frequency, 0, 20000);
     const max = clamp(2 ** (fenv - offset) * frequency, 0, 20000);
 
     getParamADSR(context, filter.frequency, attack, decay, sustain, release, frequency, max, start, end);