diff --git a/package-lock.json b/package-lock.json
index df926baf..56482360 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -3851,11 +3851,6 @@
         }
       }
     },
-    "classnames": {
-      "version": "2.2.6",
-      "resolved": "https://registry.npmjs.org/classnames/-/classnames-2.2.6.tgz",
-      "integrity": "sha512-JR/iSQOSt+LQIWwrwEzJ9uk0xfN3mTVYMwt1Ir5mUcSN6pU+V4zQFFaJsclJbPuAUQH+yfWef6tm7l1quW3C8Q=="
-    },
     "clean-css": {
       "version": "4.2.3",
       "resolved": "https://registry.npmjs.org/clean-css/-/clean-css-4.2.3.tgz",
diff --git a/package.json b/package.json
index 5642a553..0c1a9b7a 100644
--- a/package.json
+++ b/package.json
@@ -39,7 +39,6 @@
     "@angular/platform-browser": "~9.1.3",
     "@angular/platform-browser-dynamic": "~9.1.3",
     "@angular/router": "~9.1.3",
-    "classnames": "^2.2.6",
     "rxjs": "~6.5.4",
     "tslib": "^1.10.0",
     "zone.js": "~0.10.2"
diff --git a/src/lib/ngx-editor.component.scss b/src/lib/ngx-editor.component.scss
index 33516fd7..9f682180 100644
--- a/src/lib/ngx-editor.component.scss
+++ b/src/lib/ngx-editor.component.scss
@@ -1,5 +1,3 @@
-@import "prosemirror-view//style/prosemirror.css";
-
 .ProseMirror {
   outline: none;
 }
diff --git a/src/lib/plugins/menu/getMenu.ts b/src/lib/plugins/menu/getMenu.ts
index 376f7486..94ae1417 100644
--- a/src/lib/plugins/menu/getMenu.ts
+++ b/src/lib/plugins/menu/getMenu.ts
@@ -1,6 +1,5 @@
 import { toggleMark } from 'prosemirror-commands';
 import { schema } from 'prosemirror-schema-basic';
-import classNames from 'classnames';
 
 import { getIconSvg } from '../../utils/icons';
 import { MENU_ITEM_CLASSNAME } from './constants';
@@ -8,7 +7,10 @@ import { MenuItem, Toolbar } from '../../types';
 
 function getMenuDom(name: string): HTMLElement {
   const div = document.createElement('div');
-  div.className = classNames(MENU_ITEM_CLASSNAME, `${MENU_ITEM_CLASSNAME}__${name}`);
+
+  div.classList.add(MENU_ITEM_CLASSNAME);
+  div.classList.add(`${MENU_ITEM_CLASSNAME}__${name}`);
+
   div.title = name;
 
   div.innerHTML = getIconSvg(name);
@@ -18,7 +20,7 @@ function getMenuDom(name: string): HTMLElement {
 
 function getSeperatorDom(): HTMLElement {
   const div = document.createElement('div');
-  div.className = classNames(`${MENU_ITEM_CLASSNAME}__Seperator`);
+  div.className = `${MENU_ITEM_CLASSNAME}__Seperator`;
   return div;
 }
 
diff --git a/src/ng-package.json b/src/ng-package.json
index 19c5d93f..958457e5 100644
--- a/src/ng-package.json
+++ b/src/ng-package.json
@@ -9,11 +9,7 @@
       "prosemirror-schema-basic": "prosemirrorSchemaBasic",
       "prosemirror-history": "prosemirrorHistory",
       "prosemirror-keymap": "prosemirrorKeymap",
-      "prosemirror-commands": "prosemirrorCommands",
-      "classnames": "classNames"
+      "prosemirror-commands": "prosemirrorCommands"
     }
-  },
-  "whitelistedNonPeerDependencies": [
-    "classnames"
-  ]
+  }
 }
diff --git a/src/package.json b/src/package.json
index 45fea20a..bf513065 100644
--- a/src/package.json
+++ b/src/package.json
@@ -24,8 +24,5 @@
     "prosemirror-state": "^1.3.0",
     "prosemirror-view": "^1.14.0",
     "tslib": "^1.10.0"
-  },
-  "dependencies": {
-    "classnames": "^2.2.6"
   }
 }