diff --git a/smoketest.sh b/smoketest.sh
index 30243d7bb3..187c5a7e55 100755
--- a/smoketest.sh
+++ b/smoketest.sh
@@ -214,7 +214,6 @@ runDemoApps() {
         --env CRYOSTAT_AGENT_BASEURI="${protocol}://localhost:${webPort}/" \
         --env CRYOSTAT_AGENT_TRUST_ALL="true" \
         --env CRYOSTAT_AGENT_AUTHORIZATION="Basic $(echo user:pass | base64)" \
-        --env CRYOSTAT_AGENT_REGISTRATION_PREFER_JMX="true" \
         --env CRYOSTAT_AGENT_HARVESTER_PERIOD_MS=60000 \
         --env CRYOSTAT_AGENT_HARVESTER_MAX_FILES=10 \
         --rm -d quay.io/andrewazores/quarkus-test:latest
@@ -234,7 +233,6 @@ runDemoApps() {
         --env CRYOSTAT_AGENT_BASEURI="${protocol}://localhost:${webPort}/" \
         --env CRYOSTAT_AGENT_TRUST_ALL="true" \
         --env CRYOSTAT_AGENT_AUTHORIZATION="Basic $(echo user:pass | base64)" \
-        --env CRYOSTAT_AGENT_REGISTRATION_PREFER_JMX="false" \
         --env CRYOSTAT_AGENT_API_WRITES_ENABLED="true" \
         --rm -d quay.io/andrewazores/quarkus-test:latest