diff --git a/examples/COVIDCase.ttl b/examples/COVIDCase.ttl
index c732b410f4ab93ef97ba4700d94b2d3f049d0cf7..efda4104b52c819240675c22fb6c79e6f25a491b 100644
--- a/examples/COVIDCase.ttl
+++ b/examples/COVIDCase.ttl
@@ -10,7 +10,6 @@
 @prefix saref: <https://saref.etsi.org/saref/core/> .
 @prefix s4ehaw: <https://saref.etsi.org/saref4ehaw/> .
 @prefix s4envi: <https://saref.etsi.org/saref4envi/> .
-@prefix s4wear: <https://saref.etsi.org/saref4wear/> .
 @prefix ssn-system: <http://www.w3.org/ns/ssn/systems/> .
 @prefix dcterms: <http://purl.org/dc/terms/> .
 @base <https://saref.etsi.org/saref4ehaw/examples/COVIDCase/> .