diff --git a/src/IterableObject.php b/src/IterableObject.php
index c0caeea..b8eec16 100644
--- a/src/IterableObject.php
+++ b/src/IterableObject.php
@@ -79,26 +79,6 @@ public function map($map)
         return new self($this->iterable, $this->filter, $map);
     }
 
-    /**
-     * @param callable $filter
-     * @return self
-     * @deprecated Use IterableObject::filter instead.
-     */
-    public function withFilter($filter)
-    {
-        return $this->filter($filter);
-    }
-
-    /**
-     * @param callable $map
-     * @return self
-     * @deprecated Use IterableObject::map instead.
-     */
-    public function withMap($map)
-    {
-        return $this->map($map);
-    }
-
     /**
      * @inheritdoc
      */
diff --git a/tests/TestIterableObject.php b/tests/TestIterableObject.php
index 108a4ee..ea43d00 100644
--- a/tests/TestIterableObject.php
+++ b/tests/TestIterableObject.php
@@ -43,38 +43,6 @@ public function testFromTraversableToArray($data, $filter = null, $map = null, $
         $this->assertEquals($expectedResult, $iterableObject->asArray());
     }
 
-    public function testFilterMutator()
-    {
-        $filter = function ($value) {
-            return 'bar' === $value;
-        };
-        $iterableObject = iterable(array('foo', 'bar'))->withFilter($filter);
-        $this->assertEquals(array(1 => 'bar'), iterator_to_array($iterableObject));
-    }
-
-    public function testMapMutator()
-    {
-        $map = 'strtoupper';
-        $iterableObject = iterable(array('foo', 'bar'))->withMap($map);
-        $this->assertEquals(array('FOO', 'BAR'), iterator_to_array($iterableObject));
-    }
-
-    public function testFilterAndMapMutators()
-    {
-        $filter = function ($value) {
-            return 'bar' === $value;
-        };
-        $map = 'strtoupper';
-        $iterableObject = iterable(array('foo', 'bar'))->withMap($map)->withFilter($filter);
-        $this->assertEquals(array(1 => 'BAR'), iterator_to_array($iterableObject));
-        $iterableObject = iterable(array('foo', 'bar'))->map($map)->filter($filter);
-        $this->assertEquals(array(1 => 'BAR'), iterator_to_array($iterableObject));
-        $iterableObject = iterable(array('foo', 'bar'))->withFilter($filter)->withMap($map);
-        $this->assertEquals(array(1 => 'BAR'), iterator_to_array($iterableObject));
-        $iterableObject = iterable(array('foo', 'bar'))->filter($filter)->map($map);
-        $this->assertEquals(array(1 => 'BAR'), iterator_to_array($iterableObject));
-    }
-
     public function dataProvider()
     {
         $data = array('foo', 'bar');