diff --git a/core/io/resource_format_xml.cpp b/core/io/resource_format_xml.cpp
index 9de33e7ef35..4f3b98fbfdb 100644
--- a/core/io/resource_format_xml.cpp
+++ b/core/io/resource_format_xml.cpp
@@ -1761,7 +1761,6 @@ void ResourceFormatLoaderXML::get_recognized_extensions_for_type(const String& p
 		if (ext=="res")
 			continue;
 		p_extensions->push_back("x"+ext);
-		p_extensions->push_back(ext);
 	}
 
 	p_extensions->push_back("xml");