diff --git a/src/hotspot/share/cds/cdsConfig.cpp b/src/hotspot/share/cds/cdsConfig.cpp
index a5c5742eaf2..ff11b807910 100644
--- a/src/hotspot/share/cds/cdsConfig.cpp
+++ b/src/hotspot/share/cds/cdsConfig.cpp
@@ -68,9 +68,16 @@ int CDSConfig::get_status() {
 
 void CDSConfig::initialize() {
   if (is_dumping_static_archive() && !is_dumping_final_static_archive()) {
-    if (RequireSharedSpaces) {
-      warning("Cannot dump shared archive while using shared archive");
-    }
+    // Note: -Xshare and -XX:AOTMode flags are mutually exclusive.
+    // - Classic workflow: -Xshare:on and -Xshare:dump cannot take effect at the same time.
+    // - JEP 483 workflow: -XX:AOTMode:record and -XX:AOTMode=on cannot take effect at the same time.
+    // So we can never come to here with RequireSharedSpaces==true.
+    assert(!RequireSharedSpaces, "sanity");
+
+    // If dumping the classic archive, or making an AOT training run (dumping a preimage archive),
+    // for sanity, parse all classes from classfiles.
+    // TODO: in the future, if we want to support re-training on top of an existing AOT cache, this
+    // needs to be changed.
     UseSharedSpaces = false;
   }