diff --git a/src/lib/srdb1/schema/kamailio-extensions.xml b/src/lib/srdb1/schema/kamailio-extensions.xml
deleted file mode 100644
index f4a0aec097d..00000000000
--- a/src/lib/srdb1/schema/kamailio-extensions.xml
+++ /dev/null
@@ -1,21 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE database PUBLIC "-//kamailio.org//DTD DBSchema V1.1//EN"
-  "http://kamailio.org/pub/kamailio/dbschema/dtd/1.1/dbschema.dtd" [
-
-  <!ENTITY % entities SYSTEM "entities.xml">
-  %entities;
-]>
-
-<!-- Inclusion point for custom extensions for Kamailio -->
-
-<database xmlns:xi="http://www.w3.org/2001/XInclude">
-    <name>CUSTOM Extensions</name>
-    <!-- Include extra definitions if found, it is not
-         an error if they are not present, although it
-         would produce a warning -->
-    <xi:include href="extra.xml">
-        <xi:fallback/>
-    </xi:include>
-    <!-- add more extensions here -->
-    <!-- <xi:include href="more-extras.xml"> -->
-</database>