diff --git a/schema/aif.xsd b/schema/aif.xsd
index c7e90b0..b6cf78e 100644
--- a/schema/aif.xsd
+++ b/schema/aif.xsd
@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
 <xs:schema targetNamespace="http://schema.xml.r00t2.io/aif.xsd"
-           xmlns="http://schema.xml.r00t2.io/aif.xsd"
            xmlns:aif="http://schema.xml.r00t2.io/aif.xsd"
            xmlns:xs="http://www.w3.org/2001/XMLSchema"
            elementFormDefault="qualified"
diff --git a/schema/linux.xsd b/schema/linux.xsd
index 357ab6e..1f868ae 100644
--- a/schema/linux.xsd
+++ b/schema/linux.xsd
@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
 <xs:schema targetNamespace="http://schema.xml.r00t2.io/linux.xsd"
-           xmlns="http://schema.xml.r00t2.io/linux.xsd"
            xmlns:linux="http://schema.xml.r00t2.io/linux.xsd"
            xmlns:std="http://schema.xml.r00t2.io/std.xsd"
            xmlns:sys="http://schema.xml.r00t2.io/sys.xsd"
diff --git a/schema/net.xsd b/schema/net.xsd
index 7e9cb35..9e45072 100644
--- a/schema/net.xsd
+++ b/schema/net.xsd
@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
 <xs:schema targetNamespace="http://schema.xml.r00t2.io/net.xsd"
-           xmlns="http://schema.xml.r00t2.io/net.xsd"
            xmlns:net="http://schema.xml.r00t2.io/net.xsd"
            xmlns:std="http://schema.xml.r00t2.io/std.xsd"
            xmlns:xs="http://www.w3.org/2001/XMLSchema"
diff --git a/schema/std.xsd b/schema/std.xsd
index 3cb6a3c..60fa0e8 100644
--- a/schema/std.xsd
+++ b/schema/std.xsd
@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
 <xs:schema targetNamespace="http://schema.xml.r00t2.io/std.xsd"
-           xmlns="http://schema.xml.r00t2.io/std.xsd"
            xmlns:std="http://schema.xml.r00t2.io/std.xsd"
            xmlns:xs="http://www.w3.org/2001/XMLSchema"
            elementFormDefault="qualified"
diff --git a/schema/sys.xsd b/schema/sys.xsd
index c48217c..b8581ce 100644
--- a/schema/sys.xsd
+++ b/schema/sys.xsd
@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
 <xs:schema targetNamespace="http://schema.xml.r00t2.io/sys.xsd"
-           xmlns="http://schema.xml.r00t2.io/sys.xsd"
            xmlns:sys="http://schema.xml.r00t2.io/sys.xsd"
            xmlns:xs="http://www.w3.org/2001/XMLSchema"
            elementFormDefault="qualified"
diff --git a/schema/unix.xsd b/schema/unix.xsd
index e9501fc..6ee98c5 100644
--- a/schema/unix.xsd
+++ b/schema/unix.xsd
@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
 <xs:schema targetNamespace="http://schema.xml.r00t2.io/unix.xsd"
-           xmlns="http://schema.xml.r00t2.io/unix.xsd"
            xmlns:unix="http://schema.xml.r00t2.io/unix.xsd"
            xmlns:xs="http://www.w3.org/2001/XMLSchema"
            elementFormDefault="qualified"