ICU-21249 Fixed warnings in last minute changes for 68RC
diff --git a/icu4j/main/classes/core/src/com/ibm/icu/util/MeasureUnit.java b/icu4j/main/classes/core/src/com/ibm/icu/util/MeasureUnit.java
index a32b0b7..e3de81b 100644
--- a/icu4j/main/classes/core/src/com/ibm/icu/util/MeasureUnit.java
+++ b/icu4j/main/classes/core/src/com/ibm/icu/util/MeasureUnit.java
@@ -25,7 +25,6 @@
 import com.ibm.icu.impl.CollectionSet;
 import com.ibm.icu.impl.ICUData;
 import com.ibm.icu.impl.ICUResourceBundle;
-import com.ibm.icu.impl.Pair;
 import com.ibm.icu.impl.UResource;
 import com.ibm.icu.impl.units.MeasureUnitImpl;
 import com.ibm.icu.impl.units.SingleUnitImpl;
diff --git a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/number/NumberFormatterApiTest.java b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/number/NumberFormatterApiTest.java
index c25fd6d..3613126 100644
--- a/icu4j/main/tests/core/src/com/ibm/icu/dev/test/number/NumberFormatterApiTest.java
+++ b/icu4j/main/tests/core/src/com/ibm/icu/dev/test/number/NumberFormatterApiTest.java
@@ -672,7 +672,7 @@
                 ULocale.forLanguageTag("es-MX"),
                 5,
                 "5 a\u00F1os");
-            
+
         assertFormatSingle(
                 "Mixed unit",
                 "unit/yard-and-foot-and-inch",
@@ -988,7 +988,6 @@
             assertEquals(msg, normalizedSkeleton, nf.toSkeleton());
         }
 
-        Object NoException = new Object();
         Object[][] failCases = {
             {"Parsing measure-unit/* results in failure if not built-in unit",
              "measure-unit/hectometer", //