diff --git a/src/mol-script/transpilers/vmd/functions.ts b/src/mol-script/transpilers/vmd/functions.ts
index a53642639260d69ab294f3540b47c405d119ddb8..3d428ca1da17aad50402378bb8921900ffecb858 100644
--- a/src/mol-script/transpilers/vmd/functions.ts
+++ b/src/mol-script/transpilers/vmd/functions.ts
@@ -9,10 +9,6 @@ import { MolScriptBuilder } from '../../../mol-script/language/builder';
 const B = MolScriptBuilder;
 import { FunctionDict } from '../types';
 
-// import * as P from 'parsimmon'
-// import * as h from '../helper'
-// import { Expression } from '../../language/expression';
-
 export const functions: FunctionDict = {
     'sqr': {
         '@desc': 'square of x',