diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/rbbi/BreakIteratorTest.java b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/rbbi/BreakIteratorTest.java
index 1347320645..ad237f824b 100644
--- a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/rbbi/BreakIteratorTest.java
+++ b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/rbbi/BreakIteratorTest.java
@@ -63,7 +63,7 @@ public class BreakIteratorTest extends TestFmwk
         List<String> previousResults = _testLastAndPrevious(bi, text);
 
         logln("comparing forward and backward...");
-        //TODO(junit) - needs to be rewritten
+        // TODO(#13318): As part of clean-up, permanently remove the error count check.
         //int errs = getErrorCount();
         compareFragmentLists("forward iteration", "backward iteration", nextResults,
                         previousResults);
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/rbbi/RBBITest.java b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/rbbi/RBBITest.java
index 7f05b4b132..bcc105bb96 100644
--- a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/rbbi/RBBITest.java
+++ b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/rbbi/RBBITest.java
@@ -279,7 +279,7 @@ public class RBBITest extends TestFmwk {
         List<String> previousResults = _testLastAndPrevious(rbbi, text);
 
         logln("comparing forward and backward...");
-        //TODO(junit) - needs to be rewritten
+        // TODO(#13318): As part of clean-up, permanently remove the error count check.
         //int errs = getErrorCount();
         compareFragmentLists("forward iteration", "backward iteration", nextResults, previousResults);
         //if (getErrorCount() == errs) {