diff --git a/backend/src/graphql/resolvers/registration.ts b/backend/src/graphql/resolvers/registration.ts
index 138a21aea..d37d3663a 100644
--- a/backend/src/graphql/resolvers/registration.ts
+++ b/backend/src/graphql/resolvers/registration.ts
@@ -4,9 +4,9 @@
 /* eslint-disable @typescript-eslint/no-unsafe-member-access */
 /* eslint-disable @typescript-eslint/no-unsafe-assignment */
 import { UserInputError } from 'apollo-server'
+import { hash } from 'bcryptjs'
 
 import { getNeode } from '@db/neo4j'
-import encryptPassword from '@helpers/encryptPassword'
 
 import existingEmailAddress from './helpers/existingEmailAddress'
 import generateNonce from './helpers/generateNonce'
@@ -46,7 +46,8 @@ export default {
       delete args.nonce
       delete args.email
       delete args.inviteCode
-      args = encryptPassword(args)
+      args.encryptedPassword = await hash(args.password, 10)
+      delete args.password
 
       const { driver } = context
       const session = driver.session()
diff --git a/backend/src/graphql/resolvers/users/location.ts b/backend/src/graphql/resolvers/users/location.ts
index 6dfaede4e..dc515e70d 100644
--- a/backend/src/graphql/resolvers/users/location.ts
+++ b/backend/src/graphql/resolvers/users/location.ts
@@ -12,7 +12,6 @@ import { UserInputError } from 'apollo-server'
 import request from 'request'
 
 import CONFIG from '@config/index'
-import asyncForEach from '@helpers/asyncForEach'
 
 const fetch = (url) => {
   return new Promise((resolve, reject) => {
@@ -119,7 +118,7 @@ export const createOrUpdateLocations = async (nodeLabel, nodeId, locationName, s
     }
 
     if (data.context) {
-      await asyncForEach(data.context, async (ctx) => {
+      for await (const ctx of data.context) {
         await createLocation(session, ctx)
         await session.writeTransaction((transaction) => {
           return transaction.run(
@@ -135,7 +134,7 @@ export const createOrUpdateLocations = async (nodeLabel, nodeId, locationName, s
           )
         })
         parent = ctx
-      })
+      }
     }
 
     locationId = data.id
diff --git a/backend/src/helpers/asyncForEach.ts b/backend/src/helpers/asyncForEach.ts
deleted file mode 100644
index 354f2cd07..000000000
--- a/backend/src/helpers/asyncForEach.ts
+++ /dev/null
@@ -1,18 +0,0 @@
-/* eslint-disable @typescript-eslint/no-unsafe-member-access */
-/* eslint-disable @typescript-eslint/no-unsafe-call */
-/* eslint-disable promise/prefer-await-to-callbacks */
-/* eslint-disable security/detect-object-injection */
-/**
- * Provide a way to iterate for each element in an array while waiting for async functions to finish
- *
- * @param array
- * @param callback
- * @returns {Promise<void>}
- */
-async function asyncForEach(array, callback) {
-  for (let index = 0; index < array.length; index++) {
-    await callback(array[index], index, array)
-  }
-}
-
-export default asyncForEach
diff --git a/backend/src/helpers/encryptPassword.ts b/backend/src/helpers/encryptPassword.ts
deleted file mode 100644
index 1d12556ea..000000000
--- a/backend/src/helpers/encryptPassword.ts
+++ /dev/null
@@ -1,11 +0,0 @@
-/* eslint-disable @typescript-eslint/no-unsafe-return */
-/* eslint-disable @typescript-eslint/no-unsafe-member-access */
-/* eslint-disable @typescript-eslint/no-unsafe-argument */
-import { hashSync } from 'bcryptjs'
-
-export default function (args) {
-  // eslint-disable-next-line n/no-sync
-  args.encryptedPassword = hashSync(args.password, 10)
-  delete args.password
-  return args
-}
diff --git a/backend/src/helpers/jest.ts b/backend/src/helpers/jest.ts
deleted file mode 100644
index 5594eb348..000000000
--- a/backend/src/helpers/jest.ts
+++ /dev/null
@@ -1,10 +0,0 @@
-/* eslint-disable @typescript-eslint/no-unsafe-argument */
-/* eslint-disable promise/avoid-new */
-// sometime we have to wait to check a db state by having a look into the db in a certain moment
-// or we wait a bit to check if we missed to set an await somewhere
-// see: https://www.sitepoint.com/delay-sleep-pause-wait/
-export function sleep(ms) {
-  return new Promise((resolve) => setTimeout(resolve, ms))
-}
-// usage – 4 seconds for example
-// await sleep(4 * 1000)
diff --git a/backend/src/helpers/walkRecursive.ts b/backend/src/helpers/walkRecursive.ts
deleted file mode 100644
index 5874ca3af..000000000
--- a/backend/src/helpers/walkRecursive.ts
+++ /dev/null
@@ -1,36 +0,0 @@
-/* eslint-disable @typescript-eslint/no-unsafe-argument */
-/* eslint-disable @typescript-eslint/no-unsafe-return */
-/* eslint-disable @typescript-eslint/no-unsafe-call */
-/* eslint-disable @typescript-eslint/no-unsafe-member-access */
-/* eslint-disable @typescript-eslint/no-unsafe-assignment */
-/* eslint-disable promise/prefer-await-to-callbacks */
-/* eslint-disable security/detect-object-injection */
-/**
- * iterate through all fields and replace it with the callback result
- * @property data Array
- * @property fields Array
- * @property fieldName String
- * @property callback Function
- */
-function walkRecursive(data, fields, fieldName, callback, _key?) {
-  if (!Array.isArray(fields)) {
-    throw new Error('please provide an fields array for the walkRecursive helper')
-  }
-  const fieldDef = fields.find((f) => f.field === _key)
-  if (data && typeof data === 'string' && fieldDef) {
-    if (!fieldDef.excludes?.includes(fieldName)) data = callback(data, _key)
-  } else if (data && Array.isArray(data)) {
-    // go into the rabbit hole and dig through that array
-    data.forEach((res, index) => {
-      data[index] = walkRecursive(data[index], fields, fieldName, callback, index)
-    })
-  } else if (data && typeof data === 'object') {
-    // lets get some keys and stir them
-    Object.keys(data).forEach((k) => {
-      data[k] = walkRecursive(data[k], fields, fieldName, callback, k)
-    })
-  }
-  return data
-}
-
-export default walkRecursive
diff --git a/backend/src/middleware/xssMiddleware.ts b/backend/src/middleware/xssMiddleware.ts
index 31ded633c..e8beb5463 100644
--- a/backend/src/middleware/xssMiddleware.ts
+++ b/backend/src/middleware/xssMiddleware.ts
@@ -1,13 +1,42 @@
+/* eslint-disable security/detect-object-injection */
+/* eslint-disable @typescript-eslint/no-unsafe-argument */
+/* eslint-disable promise/prefer-await-to-callbacks */
 /* eslint-disable @typescript-eslint/require-await */
 /* eslint-disable @typescript-eslint/no-unsafe-member-access */
 /* eslint-disable @typescript-eslint/no-unsafe-call */
 /* eslint-disable @typescript-eslint/no-unsafe-assignment */
 /* eslint-disable @typescript-eslint/no-unsafe-return */
-import walkRecursive from '@helpers/walkRecursive'
-
 import { cleanHtml } from './helpers/cleanHtml'
 
-// exclamation mark separetes field names, that should not be sanitized
+/**
+ * iterate through all fields and replace it with the callback result
+ * @property data Array
+ * @property fields Array
+ * @property fieldName String
+ * @property callback Function
+ */
+const walkRecursive = (data, fields, fieldName, callback, _key?) => {
+  if (!Array.isArray(fields)) {
+    throw new Error('please provide an fields array for the walkRecursive helper')
+  }
+  const fieldDef = fields.find((f) => f.field === _key)
+  if (data && typeof data === 'string' && fieldDef) {
+    if (!fieldDef.excludes?.includes(fieldName)) data = callback(data, _key)
+  } else if (data && Array.isArray(data)) {
+    // go into the rabbit hole and dig through that array
+    data.forEach((res, index) => {
+      data[index] = walkRecursive(data[index], fields, fieldName, callback, index)
+    })
+  } else if (data && typeof data === 'object') {
+    // lets get some keys and stir them
+    Object.keys(data).forEach((k) => {
+      data[k] = walkRecursive(data[k], fields, fieldName, callback, k)
+    })
+  }
+  return data
+}
+
+// exclamation mark separates field names, that should not be sanitized
 const fields = [
   { field: 'content', excludes: ['CreateMessage', 'Message'] },
   { field: 'contentExcerpt' },