diff --git a/src/helpers/cookie-utils.js b/src/helpers/cookie-utils.js
index 6335df42..39d27f56 100644
--- a/src/helpers/cookie-utils.js
+++ b/src/helpers/cookie-utils.js
@@ -1,9 +1,5 @@
 import { nativeIsNaN } from './number-utils';
 
-/**
- * @typedef { import('../scriptlets/index').Source } Source
- */
-
 /**
  * Checks whether the input path is supported
  *
diff --git a/src/helpers/hit.js b/src/helpers/hit.js
index 424eee84..ac88b531 100644
--- a/src/helpers/hit.js
+++ b/src/helpers/hit.js
@@ -1,13 +1,9 @@
 /* eslint-disable no-console, no-underscore-dangle */
 
-/**
- * @typedef { import('../scriptlets/index').Source } Source
- */
-
 /**
  * Hit used only for debug purposes now
  *
- * @param {Source} source
+ * @param {object} source scriptlet properties
  * use LOG_MARKER = 'log: ' at the start of a message
  * for logging scriptlets
  */
diff --git a/src/helpers/injector.js b/src/helpers/injector.js
index acfd8017..b67f0649 100644
--- a/src/helpers/injector.js
+++ b/src/helpers/injector.js
@@ -1,7 +1,3 @@
-/**
- * @typedef { import('../scriptlets/index').Source } Source
- */
-
 /**
  * Concat dependencies to scriptlet code
  *
@@ -48,7 +44,7 @@ export function addCall(scriptlet, code) {
  *      function noeval(source) { alert(source); }
  *      noeval.apply(this, args);
  * )({"args": ["aaa", "bbb"], "name":"noeval"}, ["aaa", "bbb"])`
- * @param {Source} source - object with scriptlet properties
+ * @param {object} source - object with scriptlet properties
  * @param {string} code - scriptlet source code with dependencies
  * @param {boolean} redirect if function is redirect
  * @returns {string} full scriptlet code
diff --git a/src/helpers/log-message.js b/src/helpers/log-message.js
index 6493647e..ceb038ea 100644
--- a/src/helpers/log-message.js
+++ b/src/helpers/log-message.js
@@ -1,14 +1,10 @@
-/**
- * @typedef { import('../scriptlets/index').Source } Source
- */
-
 /**
  * Conditionally logs message to console.
  * Convention is to log messages by source.verbose if such log
  * is not a part of scriptlet's functionality, eg on invalid input,
  * and use 'forced' argument otherwise.
  *
- * @param {Source} source required
+ * @param {object} source required, scriptlet properties
  * @param {string} message required, message to log
  * @param {boolean} [forced=false] to log message unconditionally
  */
diff --git a/src/helpers/match-request-props.js b/src/helpers/match-request-props.js
index 720c675f..be868a49 100644
--- a/src/helpers/match-request-props.js
+++ b/src/helpers/match-request-props.js
@@ -5,16 +5,12 @@ import {
 } from './request-utils';
 import { logMessage } from './log-message';
 
-/**
- * @typedef { import('../scriptlets/index').Source } Source
- */
-
 /**
  * Checks if given propsToMatch string matches with given request data
  * This is used by prevent-xhr, prevent-fetch, trusted-replace-xhr-response
  * and  trusted-replace-fetch-response scriptlets
  *
- * @param {Source} source scriptlet properties
+ * @param {object} source scriptlet properties
  * @param {string} propsToMatch string of space-separated request properties to match
  * @param {object} requestData object with standard properties of fetch/xhr like url, method etc
  * @returns {boolean} if request properties match
diff --git a/src/helpers/storage-utils.js b/src/helpers/storage-utils.js
index 338a0867..ff7e35e2 100644
--- a/src/helpers/storage-utils.js
+++ b/src/helpers/storage-utils.js
@@ -1,14 +1,10 @@
 import { nativeIsNaN } from './number-utils';
 import { logMessage } from './log-message';
 
-/**
- * @typedef { import('../scriptlets/index').Source } Source
- */
-
 /**
  * Sets item to a specified storage, if storage isn't full.
  *
- * @param {Source} source scriptlet's configuration
+ * @param {object} source scriptlet's configuration
  * @param {Storage} storage storage instance to set item into
  * @param {string} key storage key
  * @param {string} value staroge value