diff --git a/core/runtime/src/main/java/io/quarkus/runtime/configuration/RuntimeConfigBuilder.java b/core/runtime/src/main/java/io/quarkus/runtime/configuration/RuntimeConfigBuilder.java
index 5c425918ada1a..df8075d63bfa7 100644
--- a/core/runtime/src/main/java/io/quarkus/runtime/configuration/RuntimeConfigBuilder.java
+++ b/core/runtime/src/main/java/io/quarkus/runtime/configuration/RuntimeConfigBuilder.java
@@ -33,7 +33,8 @@ private static class UuiConfigSource implements ConfigSource {
 
         @Override
         public Set<String> getPropertyNames() {
-            return Set.of(QUARKUS_UUID);
+            // Not listed to avoid being reported as unknown. It can't be mapped either, because config will eagerly access it.
+            return Set.of();
         }
 
         @Override