diff --git a/icu4j/main/classes/core/src/com/ibm/icu/text/UnicodeSet.java b/icu4j/main/classes/core/src/com/ibm/icu/text/UnicodeSet.java
index 68f12aff2a33..c964498824f8 100644
--- a/icu4j/main/classes/core/src/com/ibm/icu/text/UnicodeSet.java
+++ b/icu4j/main/classes/core/src/com/ibm/icu/text/UnicodeSet.java
@@ -3871,8 +3871,9 @@ private void applyPropertyPattern(RuleCharacterIterator chars,
     /**
      * Alias for {@link #CASE_INSENSITIVE}.
      *
-     * @stable ICU 3.8
+     * @deprecated ICU 73 Use {@link #CASE_INSENSITIVE} instead.
      */
+    @Deprecated
     public static final int CASE = 2;
 
     /**