diff --git a/icu4c/source/i18n/rbt.cpp b/icu4c/source/i18n/rbt.cpp
index 0da86eb8cc8..1664577b938 100644
--- a/icu4c/source/i18n/rbt.cpp
+++ b/icu4c/source/i18n/rbt.cpp
@@ -101,7 +101,7 @@ RuleBasedTransliterator::RuleBasedTransliterator(
 /**
  * Covenience constructor with no filter.
  */
-RuleBasedTransliterator::RuleBasedTransliterator(
+/*RuleBasedTransliterator::RuleBasedTransliterator(
                             const UnicodeString& id,
                             const UnicodeString& rules,
                             UTransDirection direction,
@@ -109,19 +109,19 @@ RuleBasedTransliterator::RuleBasedTransliterator(
     Transliterator(id, 0) {
     UParseError parseError;
     _construct(rules, direction,parseError, status);
-}
+}*/
 
 /**
  * Covenience constructor with no filter and FORWARD direction.
  */
-RuleBasedTransliterator::RuleBasedTransliterator(
+/*RuleBasedTransliterator::RuleBasedTransliterator(
                             const UnicodeString& id,
                             const UnicodeString& rules,
                             UErrorCode& status) :
     Transliterator(id, 0) {
     UParseError parseError;
     _construct(rules, UTRANS_FORWARD, parseError, status);
-}
+}*/
 
 /**
  * Covenience constructor with FORWARD direction.
diff --git a/icu4c/source/i18n/rbt.h b/icu4c/source/i18n/rbt.h
index 93136541b7f..d061de6e637 100644
--- a/icu4c/source/i18n/rbt.h
+++ b/icu4c/source/i18n/rbt.h
@@ -333,18 +333,18 @@ public:
      * Covenience constructor with no filter.
      * @internal Use transliterator factory methods instead since this class will be removed in that release.
      */
-    RuleBasedTransliterator(const UnicodeString& id,
+    /*RuleBasedTransliterator(const UnicodeString& id,
                             const UnicodeString& rules,
                             UTransDirection direction,
-                            UErrorCode& status);
+                            UErrorCode& status);*/
 
     /**
      * Covenience constructor with no filter and FORWARD direction.
      * @internal Use transliterator factory methods instead since this class will be removed in that release.
      */
-    RuleBasedTransliterator(const UnicodeString& id,
+    /*RuleBasedTransliterator(const UnicodeString& id,
                             const UnicodeString& rules,
-                            UErrorCode& status);
+                            UErrorCode& status);*/
 
     /**
      * Covenience constructor with FORWARD direction.