1 files changed, 2 insertions, 13 deletions
diff --git a/guava-gwt/src-super/com/google/common/collect/super/com/google/common/collect/ObjectArrays.java b/guava-gwt/src-super/com/google/common/collect/super/com/google/common/collect/ObjectArrays.java
index 6465ee7..087fd17 100644
--- a/guava-gwt/src-super/com/google/common/collect/super/com/google/common/collect/ObjectArrays.java
+++ b/guava-gwt/src-super/com/google/common/collect/super/com/google/common/collect/ObjectArrays.java
@@ -30,8 +30,6 @@ import javax.annotation.Nullable;
  */
 @GwtCompatible(emulated = true)
 public final class ObjectArrays {
-  static final Object[] EMPTY_ARRAY = new Object[0];
-
   private ObjectArrays() {}
 
   /**
@@ -57,7 +55,7 @@ public final class ObjectArrays {
   public static <T> T[] concat(@Nullable T element, T[] array) {
     T[] result = newArray(array, array.length + 1);
     result[0] = element;
-    System.arraycopy(array, 0, result, 1, array.length);
+    Platform.unsafeArrayCopy(array, 0, result, 1, array.length);
     return result;
   }
 
@@ -79,7 +77,7 @@ public final class ObjectArrays {
   /** GWT safe version of Arrays.copyOf. */
   static <T> T[] arraysCopyOf(T[] original, int newLength) {
     T[] copy = newArray(original, newLength);
-    System.arraycopy(
+    Platform.unsafeArrayCopy(
         original, 0, copy, 0, Math.min(original.length, newLength));
     return copy;
   }
@@ -154,14 +152,5 @@ public final class ObjectArrays {
     array[i] = array[j];
     array[j] = temp;
   }
-
-  // We do this instead of Preconditions.checkNotNull to save boxing and array
-  // creation cost.
-  static Object checkElementNotNull(Object element, int index) {
-    if (element == null) {
-      throw new NullPointerException("at index " + index);
-    }
-    return element;
-  }
 }