diff --git a/src/TMS.ts b/src/TMS.ts
index d1808f9..3cbfcfa 100644
--- a/src/TMS.ts
+++ b/src/TMS.ts
@@ -86,6 +86,16 @@ export function appendCustomClass(name:string, css:any = {}){
 
 }
 
+/**
+	* Remove custom class
+	* @param name custom class name 
+*/
+export function removeCustomClass(name:string){
+	if (getElement(`TMS_JS_CLASS_${name}`) !== null){
+		removeDOM(`TMS_JS_CLASS_${name}`);
+	}
+}
+
 /**
 	* Apply element CSS
 	* @param elementId DOM ID target