diff --git a/icu4j/main/classes/core/src/com/ibm/icu/text/ScientificFormatHelper.java b/icu4j/main/classes/core/src/com/ibm/icu/text/ScientificFormatHelper.java
deleted file mode 100644
index 8daa31c081..0000000000
--- a/icu4j/main/classes/core/src/com/ibm/icu/text/ScientificFormatHelper.java
+++ /dev/null
@@ -1,89 +0,0 @@
-/*
- *******************************************************************************
- * Copyright (C) 2014, International Business Machines Corporation and
- * others. All Rights Reserved.
- *******************************************************************************
- */
-package com.ibm.icu.text;
-
-import java.text.AttributedCharacterIterator;
-
-/**
- * A helper class for formatting in user-friendly scientific notation.
- * 
- * ScientificFormatHelper instances are immutable and thread-safe. However, the
- * AttributedCharacterIterator instances that ScientificFormatHelper instances format must
- * not be shared across multiple threads.
- *
- * Sample code:
- * <pre>
- * DecimalFormat decfmt = (DecimalFormat) NumberFormat.getScientificInstance(new ULocale("en"));
- * AttributedCharacterIterator iterator = decfmt.formatToCharacterIterator(1.23456e-78);
- * ScientificFormatHelper helper = ScientificFormatHelper.getInstance(
-                decfmt.getDecimalFormatSymbols());
- * <pre>
- * // Output: "1.23456×10<sup>-78</sup>"
- *  System.out.println(helper.insertMarkup(iterator, "<sup>", "</sup>"));
- * </pre>
- *
- * @see NumberFormat
- * @draft ICU 54
- * @provisional This API might change or be removed in a future release.
- *
- */
-public final class ScientificFormatHelper {
-    
-    private final String preExponent;
-    
-    private ScientificFormatHelper(String preExponent) {
-        this.preExponent = preExponent;
-    }
-
-    /**
-     * Returns a new ScientificFormatHelper.
-     * @param dfs comes from the DecimalFormat instance used for default scientific notation.
-     * @draft ICU 54
-     * @provisional This API might change or be removed in a future release.
-     */
-    public static ScientificFormatHelper getInstance(DecimalFormatSymbols dfs) {
-        return new ScientificFormatHelper(ScientificNumberFormatter.getPreExponent(dfs));
-    }
-
-    /**
-     * Makes scientific notation user-friendly by surrounding exponent with
-     * html to make it superscript.
-     * @param iterator the value that DecimalFormat.formatToCharacterIterator() returned.
-     * @param beginMarkup the start html for the exponent e.g "<sup>"
-     * @param endMarkup the end html for the exponent e.g "</sup>"
-     * @return the user-friendly scientific notation.
-     * @draft ICU 54
-     * @provisional This API might change or be removed in a future release.
-     */
-    public String insertMarkup(
-            AttributedCharacterIterator iterator,
-            CharSequence beginMarkup,
-            CharSequence endMarkup) {
-        return format(
-                iterator,
-                new ScientificNumberFormatter.MarkupStyle(
-                        beginMarkup.toString(), endMarkup.toString()));
-    }
-
-    /**
-     * Makes scientific notation user-friendly by using specific code points
-     * for superscript 0..9, -, and + in the exponent rather than by using
-     * html.
-     * @param iterator the value that DecimalFormat.formatToCharacterIterator() returned.
-     * @return the user-friendly scientific notation.
-     * @draft ICU 54
-     * @provisional This API might change or be removed in a future release.
-     */
-    public String toSuperscriptExponentDigits(AttributedCharacterIterator iterator) {
-        return format(iterator, ScientificNumberFormatter.SUPER_SCRIPT);
-    }
-    
-    private String format(
-            AttributedCharacterIterator iterator, ScientificNumberFormatter.Style option) {
-        return option.format(iterator, preExponent);
-    }
-}
diff --git a/icu4j/main/classes/core/src/com/ibm/icu/text/ScientificNumberFormatter.java b/icu4j/main/classes/core/src/com/ibm/icu/text/ScientificNumberFormatter.java
index 1d6a1fc37a..2bf7528983 100644
--- a/icu4j/main/classes/core/src/com/ibm/icu/text/ScientificNumberFormatter.java
+++ b/icu4j/main/classes/core/src/com/ibm/icu/text/ScientificNumberFormatter.java
@@ -128,9 +128,8 @@ public final class ScientificNumberFormatter {
     /**
      * A style type for ScientificNumberFormatter. All Style instances are immutable
      * and thread-safe.
-     * TODO: Make private once ScientificFormatHelper is deleted.
      */
-    static abstract class Style {
+    private static abstract class Style {
         abstract String format(
                 AttributedCharacterIterator iterator,
                 String preExponent); // '* 10^'
@@ -150,8 +149,7 @@ public final class ScientificNumberFormatter {
         }
     }
     
-    // TODO: make private
-    static class MarkupStyle extends Style {
+    private static class MarkupStyle extends Style {
         
         private final String beginMarkup;
         private final String endMarkup;
@@ -201,8 +199,7 @@ public final class ScientificNumberFormatter {
         }
     }
     
-    // TODO: Make private
-    static class SuperscriptStyle extends Style {
+    private static class SuperscriptStyle extends Style {
         
         private static final char[] SUPERSCRIPT_DIGITS = {
             0x2070, 0xB9, 0xB2, 0xB3, 0x2074, 0x2075, 0x2076, 0x2077, 0x2078, 0x2079
@@ -304,7 +301,7 @@ public final class ScientificNumberFormatter {
             
     }
     
-    static String getPreExponent(DecimalFormatSymbols dfs) {
+    private static String getPreExponent(DecimalFormatSymbols dfs) {
         StringBuilder preExponent = new StringBuilder();
         preExponent.append(dfs.getExponentMultiplicationSign());
         char[] digits = dfs.getDigits();
@@ -312,14 +309,14 @@ public final class ScientificNumberFormatter {
         return preExponent.toString();
     }
     
-    static ScientificNumberFormatter getInstance(
+    private static ScientificNumberFormatter getInstance(
             DecimalFormat decimalFormat, Style style) {
         DecimalFormatSymbols dfs = decimalFormat.getDecimalFormatSymbols();
         return new ScientificNumberFormatter(
                 (DecimalFormat) decimalFormat.clone(), getPreExponent(dfs), style);
     }
      
-    static ScientificNumberFormatter getInstanceForLocale(
+    private static ScientificNumberFormatter getInstanceForLocale(
             ULocale locale, Style style) {
         DecimalFormat decimalFormat =
                 (DecimalFormat) DecimalFormat.getScientificInstance(locale);
@@ -329,7 +326,7 @@ public final class ScientificNumberFormatter {
                 style);
     }
     
-    static final Style SUPER_SCRIPT = new SuperscriptStyle();
+    private static final Style SUPER_SCRIPT = new SuperscriptStyle();
     
     private ScientificNumberFormatter(
             DecimalFormat decimalFormat, String preExponent, Style style) {
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/format/ScientificFormatHelperTest.java b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/format/ScientificFormatHelperTest.java
deleted file mode 100644
index 3c49e237f6..0000000000
--- a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/format/ScientificFormatHelperTest.java
+++ /dev/null
@@ -1,83 +0,0 @@
-/*
- *******************************************************************************
- * Copyright (C) 2014, International Business Machines Corporation and         *
- * others. All Rights Reserved.                                                *
- *******************************************************************************
- */
-package com.ibm.icu.dev.test.format;
-
-import java.text.AttributedCharacterIterator;
-
-import com.ibm.icu.dev.test.TestFmwk;
-import com.ibm.icu.text.DecimalFormat;
-import com.ibm.icu.text.NumberFormat;
-import com.ibm.icu.text.ScientificFormatHelper;
-import com.ibm.icu.util.ULocale;
-
-public class ScientificFormatHelperTest extends TestFmwk {
-    
-    public static void main(String[] args) throws Exception {
-        new ScientificFormatHelperTest().run(args);
-    }
-    
-    public void TestBasic() {
-        ULocale en = new ULocale("en");
-        DecimalFormat decfmt = (DecimalFormat) NumberFormat.getScientificInstance(en);
-        AttributedCharacterIterator iterator = decfmt.formatToCharacterIterator(1.23456e-78);
-        ScientificFormatHelper helper = ScientificFormatHelper.getInstance(
-                decfmt.getDecimalFormatSymbols());
-        assertEquals(
-                "insetMarkup",
-                "1.23456\u00d710<sup>-78</sup>",
-                helper.insertMarkup(iterator, "<sup>", "</sup>"));
-        assertEquals(
-                "toSuperscriptExponentDigits",
-                "1.23456\u00d710\u207b\u2077\u2078",
-                helper.toSuperscriptExponentDigits(iterator));
-    }
-
-    public void TestPlusSignInExponentMarkup() {
-        ULocale en = new ULocale("en");
-        DecimalFormat decfmt = (DecimalFormat) NumberFormat.getScientificInstance(en);
-        decfmt.applyPattern("0.00E+0");
-        AttributedCharacterIterator iterator = decfmt.formatToCharacterIterator(6.02e23);
-        ScientificFormatHelper helper = ScientificFormatHelper.getInstance(
-                decfmt.getDecimalFormatSymbols());
-        assertEquals(
-                "",
-                "6.02\u00d710<sup>+23</sup>",
-                helper.insertMarkup(iterator, "<sup>", "</sup>"));
-    }
-
-    
-    public void TestPlusSignInExponentSuperscript() {
-        ULocale en = new ULocale("en");
-        DecimalFormat decfmt = (DecimalFormat) NumberFormat.getScientificInstance(en);
-        decfmt.applyPattern("0.00E+0");
-        AttributedCharacterIterator iterator = decfmt.formatToCharacterIterator(6.02e23);
-        ScientificFormatHelper helper = ScientificFormatHelper.getInstance(
-                decfmt.getDecimalFormatSymbols());
-        assertEquals(
-                "",
-                "6.02\u00d710\u207a\u00b2\u00b3",
-                helper.toSuperscriptExponentDigits(iterator));
-    }
-    
-    public void TestFixedDecimalMarkup() {
-        ULocale en = new ULocale("en");
-        DecimalFormat decfmt = (DecimalFormat) NumberFormat.getInstance(en);
-        AttributedCharacterIterator iterator = decfmt.formatToCharacterIterator(123456.0);
-        ScientificFormatHelper helper = ScientificFormatHelper.getInstance(
-                decfmt.getDecimalFormatSymbols());
-        assertEquals("", "123,456", helper.insertMarkup(iterator, "<sup>", "</sup>"));
-    }
-    
-    public void TestFixedDecimalSuperscript() {
-        ULocale en = new ULocale("en");
-        DecimalFormat decfmt = (DecimalFormat) NumberFormat.getInstance(en);
-        AttributedCharacterIterator iterator = decfmt.formatToCharacterIterator(123456.0);
-        ScientificFormatHelper helper = ScientificFormatHelper.getInstance(
-                decfmt.getDecimalFormatSymbols());
-        assertEquals("", "123,456", helper.toSuperscriptExponentDigits(iterator));
-    }
-}
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/format/TestAll.java b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/format/TestAll.java
index d16ab61f69..52f267ba62 100644
--- a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/format/TestAll.java
+++ b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/format/TestAll.java
@@ -59,7 +59,6 @@ public class TestAll extends TestGroup {
                 "NumberFormatRoundTripTest",
                 "NumberRegression",
                 "NumberFormatRegressionTest",
-                "ScientificFormatHelperTest",
                 "ScientificNumberFormatterTest",
                 "IntlTestDecimalFormatAPI",
                 "IntlTestDecimalFormatAPIC",