diff --git a/src/core/ChatProvider.js b/src/core/ChatProvider.js
index a214f25..f24ce29 100644
--- a/src/core/ChatProvider.js
+++ b/src/core/ChatProvider.js
@@ -21,7 +21,6 @@ export class ChatProvider {
       this.history.push([]);
     }
     this.caseCheck = /^[A-Z !.]*$/;
-    this.cyrillic = new RegExp('[\u0436-\u043B]');
     this.filters = [
       {
         regexp: /ADMIN/gi,
@@ -82,10 +81,6 @@ export class ChatProvider {
       return 'Stop shouting';
     }
 
-    if (message.match(this.cyrillic) && channelId === 0) {
-      return 'Please use int channel';
-    }
-
     for (let i = 0; i < this.filters.length; i += 1) {
       const filter = this.filters[i];
       const count = (message.match(filter.regexp) || []).length;