diff --git a/primitiveCollections/src/main/java/org/lucares/collections/IntList.java b/primitiveCollections/src/main/java/org/lucares/collections/IntList.java
index 7b4fe26..6e41034 100644
--- a/primitiveCollections/src/main/java/org/lucares/collections/IntList.java
+++ b/primitiveCollections/src/main/java/org/lucares/collections/IntList.java
@@ -589,13 +589,12 @@ public final class IntList implements Serializable, Cloneable {
 	}
 
 	/**
-	 * Removes all elements from this list.
+	 * Removes all elements from the list.
 	 * <p>
-	 * The implementation is equivalent to calling {@code remove(0, size())} and
-	 * {@code trim()}.
+	 * This method does not free any memory associated with this list. Call
+	 * {@link #clear()} + {@link #trim()} to free associated memory.
 	 */
 	public void clear() {
-		data = EMPTY_ARRAY;
 		size = 0;
 		sorted = true;
 	}
diff --git a/primitiveCollections/src/main/java/org/lucares/collections/LongList.java b/primitiveCollections/src/main/java/org/lucares/collections/LongList.java
index 22fe225..214fd1a 100644
--- a/primitiveCollections/src/main/java/org/lucares/collections/LongList.java
+++ b/primitiveCollections/src/main/java/org/lucares/collections/LongList.java
@@ -575,13 +575,12 @@ public final class LongList implements Serializable, Cloneable {
 	}
 
 	/**
-	 * Removes all elements from this list.
+	 * Removes all elements from the list.
 	 * <p>
-	 * The implementation is equivalent to calling {@code remove(0, size())} and
-	 * {@code trim()}.
+	 * This method does not free any memory associated with this list. Call
+	 * {@link #clear()} + {@link #trim()} to free associated memory.
 	 */
 	public void clear() {
-		data = EMPTY_ARRAY;
 		size = 0;
 		sorted = true;
 	}
diff --git a/primitiveCollections/src/test/java/org/lucares/collections/IntListTest.java b/primitiveCollections/src/test/java/org/lucares/collections/IntListTest.java
index d77c3a6..a1932d5 100644
--- a/primitiveCollections/src/test/java/org/lucares/collections/IntListTest.java
+++ b/primitiveCollections/src/test/java/org/lucares/collections/IntListTest.java
@@ -509,11 +509,12 @@ public class IntListTest {
 	@Test
 	public void testClear() {
 		final IntList list = IntList.of(2, 0, 1); // unsorted list
+		final int capacityBeforeClear = list.getCapacity();
 		list.clear();
 
-		Assertions.assertEquals(0, list.size());
-		Assertions.assertEquals(0, list.getCapacity());
-		Assertions.assertTrue(list.isSorted());
+		Assertions.assertEquals(0, list.size(), "the list is empty after clear");
+		Assertions.assertEquals(capacityBeforeClear, capacityBeforeClear, "capacity does not change");
+		Assertions.assertTrue(list.isSorted(), "empty lists are sorted");
 	}
 
 	@SuppressWarnings("unlikely-arg-type")
@@ -744,7 +745,7 @@ public class IntListTest {
 		final IntList list = new IntList();
 		list.addAll(-2, -1, 0, 1, 2);
 		Assertions.assertEquals("[-2, -1, 0, 1, 2]", list.toString());
-		Assertions.assertEquals("same result as Arrays.toString()", Arrays.toString(list.toArray()), list.toString());
+		Assertions.assertEquals(Arrays.toString(list.toArray()), list.toString(), "same result as Arrays.toString()");
 	}
 
 	@Test
@@ -786,9 +787,9 @@ public class IntListTest {
 				.boxed()//
 				.collect(Collectors.toList());
 
-		Assertions.assertEquals("should be sequential, when using collect", actualList.toString(), list.toString());
-		Assertions.assertNotEquals("should use parallelism during computation", processingOrder.toString(),
-				list.toString());
+		Assertions.assertEquals(actualList.toString(), list.toString(), "should be sequential, when using collect");
+		Assertions.assertNotEquals(processingOrder.toString(), list.toString(),
+				"should use parallelism during computation");
 	}
 
 	@Test
diff --git a/primitiveCollections/src/test/java/org/lucares/collections/LongListTest.java b/primitiveCollections/src/test/java/org/lucares/collections/LongListTest.java
index f353cdf..1460afe 100644
--- a/primitiveCollections/src/test/java/org/lucares/collections/LongListTest.java
+++ b/primitiveCollections/src/test/java/org/lucares/collections/LongListTest.java
@@ -509,11 +509,12 @@ public class LongListTest {
 	@Test
 	public void testClear() {
 		final LongList list = LongList.of(2, 0, 1); // unsorted list
+		final int capacityBeforeClear = list.getCapacity();
 		list.clear();
 
-		Assertions.assertEquals(0, list.size());
-		Assertions.assertEquals(0, list.getCapacity());
-		Assertions.assertTrue(list.isSorted());
+		Assertions.assertEquals(0, list.size(), "the list is empty after clear");
+		Assertions.assertEquals(capacityBeforeClear, capacityBeforeClear, "capacity does not change");
+		Assertions.assertTrue(list.isSorted(), "empty lists are sorted");
 	}
 
 	@SuppressWarnings("unlikely-arg-type")
@@ -744,7 +745,7 @@ public class LongListTest {
 		final LongList list = new LongList();
 		list.addAll(-2, -1, 0, 1, 2);
 		Assertions.assertEquals("[-2, -1, 0, 1, 2]", list.toString());
-		Assertions.assertEquals("same result as Arrays.toString()", Arrays.toString(list.toArray()), list.toString());
+		Assertions.assertEquals(Arrays.toString(list.toArray()), list.toString(), "same result as Arrays.toString()");
 	}
 
 	@Test
@@ -786,9 +787,9 @@ public class LongListTest {
 				.boxed()//
 				.collect(Collectors.toList());
 
-		Assertions.assertEquals("should be sequential, when using collect", actualList.toString(), list.toString());
-		Assertions.assertNotEquals("should use parallelism during computation", processingOrder.toString(),
-				list.toString());
+		Assertions.assertEquals(actualList.toString(), list.toString(), "should be sequential, when using collect");
+		Assertions.assertNotEquals(processingOrder.toString(), list.toString(),
+				"should use parallelism during computation");
 	}
 
 	@Test