diff --git a/src/index.js b/src/index.js
index febb9ff..908cf5e 100644
--- a/src/index.js
+++ b/src/index.js
@@ -57,6 +57,9 @@ async function lessLoader(source) {
     return;
   }
 
+  delete lessOptions.pluginManager.webpackLoaderContext;
+  delete lessOptions.pluginManager;
+
   const { css, imports } = result;
 
   imports.forEach((item) => {
diff --git a/src/utils.js b/src/utils.js
index 3605696..57f852d 100644
--- a/src/utils.js
+++ b/src/utils.js
@@ -189,6 +189,8 @@ function getLessOptions(loaderContext, loaderOptions, implementation) {
     install(lessProcessor, pluginManager) {
       // eslint-disable-next-line no-param-reassign
       pluginManager.webpackLoaderContext = loaderContext;
+
+      lessOptions.pluginManager = pluginManager;
     },
   });