diff --git a/icu4j/main/classes/collate/src/com/ibm/icu/text/CollatorReader.java b/icu4j/main/classes/collate/src/com/ibm/icu/text/CollatorReader.java
index 8ddfaf6c8a..b316c6cfb9 100644
--- a/icu4j/main/classes/collate/src/com/ibm/icu/text/CollatorReader.java
+++ b/icu4j/main/classes/collate/src/com/ibm/icu/text/CollatorReader.java
@@ -63,22 +63,13 @@ final class CollatorReader
     }
 
     static void initRBC(RuleBasedCollator rbc, ByteBuffer data) throws IOException {
-        // TODO - why? 4 extra bytes? padding in the swapper?
-        //final int MIN_BINARY_DATA_SIZE_ = (42 + 25) << 2;
-        final int MIN_BINARY_DATA_SIZE_ = 272;
+        final int MIN_BINARY_DATA_SIZE_ = (42 + 25) << 2;
         int dataLength = data.remaining();
         // TODO: Change the rest of this class to use the ByteBuffer directly, rather than
         // a DataInputStream, except for passing an InputStream to ICUBinary.readHeader().
         // Consider changing ICUBinary to also work with a ByteBuffer.
         CollatorReader reader = new CollatorReader(makeByteBufferInputStream(data), false);
         if (dataLength > MIN_BINARY_DATA_SIZE_) {
-//            for (int i = 0; i < dataLength; i++) {
-//                byte b = data.get(i);
-//                System.out.print("0x" + (((int) 0xff & b) < 0x0f ? "0" : "") + Integer.toHexString(0xff & b) + " ");
-//                if (i % 16 == 0) {
-//                    System.out.println();
-//                }
-//            }
             reader.readImp(rbc, null, null);
         } else {
             reader.readHeader(rbc);
diff --git a/icu4j/main/shared/data/icudata.jar b/icu4j/main/shared/data/icudata.jar
index 6ab4f3761a..cb3b394834 100755
--- a/icu4j/main/shared/data/icudata.jar
+++ b/icu4j/main/shared/data/icudata.jar
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:6b057decb57c000e23ba800b65c067eb8282bf5d5df9dbb06eb3f10a1553d8d3
-size 7305782
+oid sha256:78145b2d62f77c80e9622e36956c9c3173eaa48dec20741e294dffac91f0104b
+size 7305628
diff --git a/icu4j/main/shared/data/testdata.jar b/icu4j/main/shared/data/testdata.jar
index e448f7d4f7..d7c21898f4 100755
--- a/icu4j/main/shared/data/testdata.jar
+++ b/icu4j/main/shared/data/testdata.jar
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:815ccb8b5da9a2e856b84a6f33228852426b622191fc3513c743924085dabc0c
-size 720766
+oid sha256:981d0e76e0f0069a484d7bbc2fe888139251e93aaf38b1045dad6e1980267c1c
+size 718369