diff --git a/packages/string-templates/rollup.config.js b/packages/string-templates/rollup.config.js
index 6ca34c5dfe..5a71316fb5 100644
--- a/packages/string-templates/rollup.config.js
+++ b/packages/string-templates/rollup.config.js
@@ -4,8 +4,6 @@ import builtins from "rollup-plugin-node-builtins"
 import globals from "rollup-plugin-node-globals"
 import json from "@rollup/plugin-json"
 
-const production = !process.env.ROLLUP_WATCH
-
 export default {
   input: "src/index.js",
   output: [
diff --git a/packages/string-templates/src/helpers/external.js b/packages/string-templates/src/helpers/external.js
index 9bad3a0eba..7c767db5f4 100644
--- a/packages/string-templates/src/helpers/external.js
+++ b/packages/string-templates/src/helpers/external.js
@@ -24,7 +24,8 @@ exports.registerAll = handlebars => {
   for (let collection of EXTERNAL_FUNCTION_COLLECTIONS) {
     // collect information about helper
     let hbsHelperInfo = helpers[collection]()
-    for (let [name, func] of Object.entries(hbsHelperInfo)) {
+    for (let entry of Object.entries(hbsHelperInfo)) {
+      const name = entry[0]
       // skip built in functions and ones seen already
       if (
         HelperFunctionBuiltin.indexOf(name) !== -1 ||
diff --git a/packages/string-templates/src/processors/postprocessor.js b/packages/string-templates/src/processors/postprocessor.js
index 76a962c52f..9f2491cb17 100644
--- a/packages/string-templates/src/processors/postprocessor.js
+++ b/packages/string-templates/src/processors/postprocessor.js
@@ -1,5 +1,4 @@
-const { FIND_HBS_REGEX } = require("../utilities")
-
+/* eslint-disable no-unused-vars */
 class Postprocessor {
   constructor(name, fn) {
     this.name = name
diff --git a/packages/string-templates/src/processors/preprocessor.js b/packages/string-templates/src/processors/preprocessor.js
index aa1d58bd43..131fb522f9 100644
--- a/packages/string-templates/src/processors/preprocessor.js
+++ b/packages/string-templates/src/processors/preprocessor.js
@@ -1,5 +1,5 @@
 const { HelperNames } = require("../helpers")
-const { swapStrings, isAlphaNumeric, FIND_HBS_REGEX } = require("../utilities")
+const { swapStrings, isAlphaNumeric } = require("../utilities")
 
 const PreprocessorNames = {
   SWAP_TO_DOT: "swap-to-dot-notation",
@@ -7,6 +7,7 @@ const PreprocessorNames = {
   FINALISE: "finalise",
 }
 
+/* eslint-disable no-unused-vars */
 class Preprocessor {
   constructor(name, fn) {
     this.name = name
diff --git a/packages/string-templates/src/utilities.js b/packages/string-templates/src/utilities.js
index e700ea6c53..71b5aa1875 100644
--- a/packages/string-templates/src/utilities.js
+++ b/packages/string-templates/src/utilities.js
@@ -14,12 +14,10 @@ module.exports.swapStrings = (string, start, length, swap) => {
 module.exports.removeNull = obj => {
   return Object.fromEntries(
     Object.entries(obj)
-      .filter(([key, value]) => value != null)
+      .filter(entry => entry[1] != null)
       .map(([key, value]) => [
         key,
         value === Object(value) ? module.exports.removeNull(value) : value,
       ])
   )
 }
-
-module.exports.findHbsStatements = string => {}