diff --git a/DFDL/dataFormats/pcapng/src/main/resources/edu/nps/moves/pcapng/xsd/pcapng.dfdl.xsd b/DFDL/dataFormats/pcapng/src/main/resources/edu/nps/moves/pcapng/xsd/pcapng.dfdl.xsd
index fe0e973f12d519c812df84b6d2970e847d6d2515..c9b9d922c296bfa8f8f9af093f0c708209169775 100644
--- a/DFDL/dataFormats/pcapng/src/main/resources/edu/nps/moves/pcapng/xsd/pcapng.dfdl.xsd
+++ b/DFDL/dataFormats/pcapng/src/main/resources/edu/nps/moves/pcapng/xsd/pcapng.dfdl.xsd
@@ -39,7 +39,6 @@ POSSIBILITY OF SUCH DAMAGE.
 <xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" version="1.1"
            xmlns:dfdl="http://www.ogf.org/dfdl/dfdl-1.0/"
            xmlns:fn="http://www.w3.org/2005/xpath-functions"
-           xmlns:daf="urn:ogf:dfdl:2013:imp:daffodil.apache.org:2018:ext"
            xmlns:dfdlx="http://www.ogf.org/dfdl/dfdl-1.0/extensions"
            xmlns:eth="urn:ethernet"
            xmlns:db="urn:dynamicEndianBinary"