Fix Unused variables in test.
diff --git a/src/test/java/org/apache/datasketches/kll/KllMemoryValidateTest.java b/src/test/java/org/apache/datasketches/kll/KllMemoryValidateTest.java
index 73468d4..581dc41 100644
--- a/src/test/java/org/apache/datasketches/kll/KllMemoryValidateTest.java
+++ b/src/test/java/org/apache/datasketches/kll/KllMemoryValidateTest.java
@@ -34,13 +34,8 @@
 
 import org.apache.datasketches.common.Family;
 import org.apache.datasketches.common.SketchesArgumentException;
-import org.apache.datasketches.kll.KllDoublesSketch;
-import org.apache.datasketches.kll.KllFloatsSketch;
-import org.apache.datasketches.kll.KllHelper;
-import org.apache.datasketches.kll.KllMemorySegmentValidate;
 import org.testng.annotations.Test;
 
-@SuppressWarnings("unused")
 public class KllMemoryValidateTest {
 
   @Test(expectedExceptions = SketchesArgumentException.class)
@@ -49,7 +44,7 @@
     final byte[] byteArr = sk.toByteArray();
     final MemorySegment wseg = MemorySegment.ofArray(byteArr);
     setMemorySegmentFamilyID(wseg, Family.KLL.getID() - 1);
-    final KllMemorySegmentValidate segVal = new KllMemorySegmentValidate(wseg, KLL_FLOATS_SKETCH);
+    new KllMemorySegmentValidate(wseg, KLL_FLOATS_SKETCH);
   }
 
   @Test(expectedExceptions = SketchesArgumentException.class)
@@ -58,7 +53,7 @@
     final byte[] byteArr = sk.toByteArray();
     final MemorySegment wseg = MemorySegment.ofArray(byteArr);
     setMemorySegmentSerVer(wseg, SERIAL_VERSION_EMPTY_FULL - 1);
-    final KllMemorySegmentValidate segVal = new KllMemorySegmentValidate(wseg, KLL_FLOATS_SKETCH);
+    new KllMemorySegmentValidate(wseg, KLL_FLOATS_SKETCH);
   }
 
   @Test(expectedExceptions = SketchesArgumentException.class)
@@ -68,7 +63,7 @@
     final byte[] byteArr = sk.toByteArray();
     final MemorySegment wseg = MemorySegment.ofArray(byteArr);
     setMemorySegmentEmptyFlag(wseg, true);
-    final KllMemorySegmentValidate segVal = new KllMemorySegmentValidate(wseg, KLL_FLOATS_SKETCH);
+    new KllMemorySegmentValidate(wseg, KLL_FLOATS_SKETCH);
   }
 
   @Test(expectedExceptions = SketchesArgumentException.class)
@@ -77,7 +72,7 @@
     final byte[] byteArr = sk.toByteArray();
     final MemorySegment wseg = MemorySegment.ofArray(byteArr);
     setMemorySegmentSerVer(wseg, SERIAL_VERSION_SINGLE);
-    final KllMemorySegmentValidate segVal = new KllMemorySegmentValidate(wseg, KLL_FLOATS_SKETCH);
+    new KllMemorySegmentValidate(wseg, KLL_FLOATS_SKETCH);
   }
 
   @Test(expectedExceptions = SketchesArgumentException.class)
@@ -87,7 +82,7 @@
     final byte[] byteArr = sk.toByteArray();
     final MemorySegment wseg = MemorySegment.ofArray(byteArr);
     setMemorySegmentPreInts(wseg, PREAMBLE_INTS_FULL);
-    final KllMemorySegmentValidate segVal = new KllMemorySegmentValidate(wseg, KLL_FLOATS_SKETCH);
+    new KllMemorySegmentValidate(wseg, KLL_FLOATS_SKETCH);
   }
 
   @Test(expectedExceptions = SketchesArgumentException.class)
@@ -97,7 +92,7 @@
     final byte[] byteArr = sk.toByteArray();
     final MemorySegment wseg = MemorySegment.ofArray(byteArr);
     setMemorySegmentSerVer(wseg, SERIAL_VERSION_EMPTY_FULL);
-    final KllMemorySegmentValidate segVal = new KllMemorySegmentValidate(wseg, KLL_FLOATS_SKETCH);
+    new KllMemorySegmentValidate(wseg, KLL_FLOATS_SKETCH);
   }
 
   @Test(expectedExceptions = SketchesArgumentException.class)
@@ -106,7 +101,7 @@
     final byte[] byteArr = sk.toByteArray();
     final MemorySegment wseg = MemorySegment.ofArray(byteArr);
     setMemorySegmentPreInts(wseg, PREAMBLE_INTS_FULL);
-    final KllMemorySegmentValidate segVal = new KllMemorySegmentValidate(wseg, KLL_DOUBLES_SKETCH);
+    new KllMemorySegmentValidate(wseg, KLL_DOUBLES_SKETCH);
   }
 
   @Test(expectedExceptions = SketchesArgumentException.class)
@@ -116,7 +111,7 @@
     final byte[] byteArr = sk.toByteArray();
     final MemorySegment wseg = MemorySegment.ofArray(byteArr);
     setMemorySegmentSerVer(wseg, SERIAL_VERSION_EMPTY_FULL);
-    final KllMemorySegmentValidate segVal = new KllMemorySegmentValidate(wseg, KLL_DOUBLES_SKETCH);
+    new KllMemorySegmentValidate(wseg, KLL_DOUBLES_SKETCH);
   }
 
   @Test(expectedExceptions = SketchesArgumentException.class)
@@ -125,7 +120,7 @@
     final byte[] byteArr = KllHelper.toByteArray(sk, true);
     final MemorySegment wseg = MemorySegment.ofArray(byteArr);
     setMemorySegmentPreInts(wseg, PREAMBLE_INTS_EMPTY_SINGLE);
-    final KllMemorySegmentValidate segVal = new KllMemorySegmentValidate(wseg, KLL_DOUBLES_SKETCH);
+    new KllMemorySegmentValidate(wseg, KLL_DOUBLES_SKETCH);
   }
 
   @Test(expectedExceptions = SketchesArgumentException.class)
@@ -135,7 +130,7 @@
     final byte[] byteArr = sk.toByteArray();
     final MemorySegment wseg = MemorySegment.ofArray(byteArr);
     setMemorySegmentPreInts(wseg, PREAMBLE_INTS_EMPTY_SINGLE);
-    final KllMemorySegmentValidate segVal = new KllMemorySegmentValidate(wseg, KLL_FLOATS_SKETCH);
+    new KllMemorySegmentValidate(wseg, KLL_FLOATS_SKETCH);
   }
 
   @Test(expectedExceptions = SketchesArgumentException.class)
@@ -145,7 +140,7 @@
     final byte[] byteArr = KllHelper.toByteArray(sk, true);
     final MemorySegment wseg = MemorySegment.ofArray(byteArr);
     setMemorySegmentPreInts(wseg, PREAMBLE_INTS_EMPTY_SINGLE);
-    final KllMemorySegmentValidate segVal = new KllMemorySegmentValidate(wseg, KLL_FLOATS_SKETCH);
+    new KllMemorySegmentValidate(wseg, KLL_FLOATS_SKETCH);
   }
 
   @Test(expectedExceptions = SketchesArgumentException.class)
@@ -155,7 +150,7 @@
     final byte[] byteArr = sk.toByteArray();
     final MemorySegment wseg = MemorySegment.ofArray(byteArr);
     setMemorySegmentPreInts(wseg, PREAMBLE_INTS_FULL);//should be 2, single
-    final KllMemorySegmentValidate segVal = new KllMemorySegmentValidate(wseg, KLL_DOUBLES_SKETCH);
+    new KllMemorySegmentValidate(wseg, KLL_DOUBLES_SKETCH);
   }
 
 }