--- misc/build/hsqldb/src/org/hsqldb/lib/java/JavaSystem.java
+++ misc/build/hsqldb/src/org/hsqldb/lib/java/JavaSystem.java
@@ -160,7 +160,7 @@
     public static void runFinalizers() {
 
 //#ifdef JAVA2FULL
-        System.runFinalizersOnExit(true);
+        // System.runFinalizersOnExit(boolean) was removed in Java 11+; dropped for modern JDK compatibility
 
 //#endif
     }
--- misc/build/hsqldb/src/org/hsqldb/lib/HsqlArrayList.java
+++ misc/build/hsqldb/src/org/hsqldb/lib/HsqlArrayList.java
@@ -57,7 +57,7 @@
         Reporter() {
 
             try {
-                System.runFinalizersOnExit(true);
+                // System.runFinalizersOnExit(boolean) was removed in Java 11+; dropped for modern JDK compatibility
             } catch (SecurityException e) {}
         }