diff --git a/CHANGES.txt b/CHANGES.txt
index 3d1e0a9..bae0c54 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -1,230 +1,7 @@
 ------------------------------------------------------------------------
-r991 | anrdaemon | 2019-02-26 22:36:13 +0300 (Tue, 26 Feb 2019) | 2 lines
+r1035 | anrdaemon | 2019-10-21 13:48:04 +0300 (Mon, 21 Oct 2019) | 3 lines
 
-+ Improved documentation for Net\Url tests.
-
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-r909 | anrdaemon | 2018-10-17 16:21:08 +0300 (Wed, 17 Oct 2018) | 2 lines
-
-* Fixed minor typo in the docblock comment.
-
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-r874 | anrdaemon | 2018-08-31 20:02:00 +0300 (Fri, 31 Aug 2018) | 2 lines
-
-* Repaired initial docblock, removing legacy behavior references.
-
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-r873 | anrdaemon | 2018-08-31 18:44:46 +0300 (Fri, 31 Aug 2018) | 2 lines
-
-* Used assertEquals where applicable for better failure representation.
-
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-r872 | anrdaemon | 2018-08-31 18:42:04 +0300 (Fri, 31 Aug 2018) | 3 lines
-
-* Reordered methods.
-* Added PHPUnit v7 compatible exception trap.
-
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-r871 | anrdaemon | 2018-08-31 16:20:04 +0300 (Fri, 31 Aug 2018) | 2 lines
-
-* Use static $url in tests.
-
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-r857 | anrdaemon | 2018-08-28 03:26:18 +0300 (Tue, 28 Aug 2018) | 3 lines
-
-+ Net\Url - added separate constructor to create Url from environment.
-+ Added more test coverage.
-
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-r856 | anrdaemon | 2018-08-28 03:23:50 +0300 (Tue, 28 Aug 2018) | 3 lines
-
-* Clarified Url::_parse_url error message for incorrect argument.
-* Tightened parameter validation for Url::_parse_str.
-
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-r855 | anrdaemon | 2018-08-27 23:53:37 +0300 (Mon, 27 Aug 2018) | 2 lines
-
-* Fix UrlTest for PHP5 compatibility.
-
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-r854 | anrdaemon | 2018-08-27 21:06:49 +0300 (Mon, 27 Aug 2018) | 2 lines
-
-* Reverted accidental parts ordering break from r852
-
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-r852 | anrdaemon | 2018-08-26 04:03:37 +0300 (Sun, 26 Aug 2018) | 2 lines
-
-* Improve Url::setParts to better handle the case where query string or fragment equals to "0".
-
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-r851 | anrdaemon | 2018-08-26 03:49:50 +0300 (Sun, 26 Aug 2018) | 2 lines
-
-* Use external iterator. I mean, really. Why reinvent wheels?
-
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-r806 | anrdaemon | 2018-06-19 17:23:06 +0300 (Tue, 19 Jun 2018) | 2 lines
-
-+ Correctly parse "+" in URL path component.
-
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-r767 | anrdaemon | 2018-03-19 23:49:28 +0300 (Mon, 19 Mar 2018) | 2 lines
-
-* Only confirm skipped tests for known mangled characters.
-
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-r765 | anrdaemon | 2018-03-14 01:25:26 +0300 (Wed, 14 Mar 2018) | 2 lines
-
-* Implement mangled characters test.
-
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-r764 | anrdaemon | 2018-03-14 01:24:28 +0300 (Wed, 14 Mar 2018) | 2 lines
-
-* Use more common host names.
-
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-r763 | anrdaemon | 2018-03-14 00:50:47 +0300 (Wed, 14 Mar 2018) | 2 lines
-
-+ Use dedicated normalization of parts array.
-
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-r762 | anrdaemon | 2018-03-14 00:19:16 +0300 (Wed, 14 Mar 2018) | 4 lines
-
-* Split autoload.
-* Tweak tests semantics.
-* Put a note about parameter names mangling for Net\Url.
-
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-r738 | anrdaemon | 2018-03-03 22:03:36 +0300 (Sat, 03 Mar 2018) | 3 lines
-
-= Move code to subdirectory.
-+ Add some functional tests.
-
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-r737 | anrdaemon | 2018-03-03 21:50:26 +0300 (Sat, 03 Mar 2018) | 3 lines
-
-+ Explicitly create empty object from empty string URL.
-* Lighten up creation process overall.
-
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-r736 | anrdaemon | 2018-03-03 21:14:52 +0300 (Sat, 03 Mar 2018) | 2 lines
-
-* Lighten up Url::setParts() logic.
-
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-r735 | anrdaemon | 2018-03-03 21:01:46 +0300 (Sat, 03 Mar 2018) | 2 lines
-
-* Wrap parse_str and parse_url into usable methods.
-
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-r734 | anrdaemon | 2018-03-03 20:30:12 +0300 (Sat, 03 Mar 2018) | 3 lines
-
-- Remove port type conversion from Url::parse()
-  Url::setParts() already handles it.
-
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-r733 | anrdaemon | 2018-03-03 20:25:24 +0300 (Sat, 03 Mar 2018) | 2 lines
-
-* Normalize internal wrappers naming.
-
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-r731 | anrdaemon | 2018-03-01 05:08:09 +0300 (Thu, 01 Mar 2018) | 2 lines
-
-* Swap magic and interface implementations around.
-
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-r709 | anrdaemon | 2017-11-28 22:10:42 +0300 (Tue, 28 Nov 2017) | 2 lines
-
-+ Cache Url::__toString() representation.
-
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-r708 | anrdaemon | 2017-11-28 22:09:53 +0300 (Tue, 28 Nov 2017) | 2 lines
-
-* Explicitly declare methods visibility.
-
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-r707 | anrdaemon | 2017-11-26 23:55:15 +0300 (Sun, 26 Nov 2017) | 2 lines
-
-* Tweak docblocks.
-
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-r705 | anrdaemon | 2017-11-03 04:26:01 +0300 (Fri, 03 Nov 2017) | 2 lines
-
-* Fixed ports dictionary reference.
-
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-r701 | anrdaemon | 2017-11-03 03:12:58 +0300 (Fri, 03 Nov 2017) | 5 lines
-
-* Add more default ports.
-* Move port omission to render.
-* Declare virtual class properties.
-* Much more documentation.
-
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-r697 | anrdaemon | 2017-11-01 20:05:47 +0300 (Wed, 01 Nov 2017) | 4 lines
-
-- Less dumb Url::__toString() conversion.
-  Omit parts that make no sense without other parts.
-  Check if path is absolute when host is present.
-
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-r696 | anrdaemon | 2017-11-01 20:00:29 +0300 (Wed, 01 Nov 2017) | 3 lines
-
-* Decode user/pass/host/fragment
-* Force port to int.
-
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-r695 | anrdaemon | 2017-10-30 04:37:23 +0300 (Mon, 30 Oct 2017) | 3 lines
-
-+ Much documentation.
-* Rewrite constructor to make more sense.
-
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-r694 | anrdaemon | 2017-10-29 19:44:16 +0300 (Sun, 29 Oct 2017) | 2 lines
-
-+ Url: ArrayAccess,Iterator,Countable for query parameters.
-
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-r693 | anrdaemon | 2017-10-29 04:29:58 +0300 (Sun, 29 Oct 2017) | 2 lines
-
-* Normalize query array.
-
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-r690 | anrdaemon | 2017-10-22 22:56:42 +0300 (Sun, 22 Oct 2017) | 4 lines
-
-* Handle initial values more gracefully.
-* Always decode query string.
-* Remove unused class properties.
-
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-r689 | anrdaemon | 2017-10-20 01:06:24 +0300 (Fri, 20 Oct 2017) | 2 lines
-
-* Fix key merging.
-
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-r688 | anrdaemon | 2017-10-20 00:48:42 +0300 (Fri, 20 Oct 2017) | 2 lines
-
-* Improve rendering of all parts.
-
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-r687 | anrdaemon | 2017-10-20 00:32:39 +0300 (Fri, 20 Oct 2017) | 3 lines
-
-* Improve query part rendering.
-* Improve fragment part rendering.
-
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-r686 | anrdaemon | 2017-10-16 02:15:13 +0300 (Mon, 16 Oct 2017) | 2 lines
-
-+ Allow isset() on Url parts.
-
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-r685 | anrdaemon | 2017-10-15 21:50:02 +0300 (Sun, 15 Oct 2017) | 3 lines
-
-* Decode path when parsing URL.
-  Leaving %2F encoded.
-
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-r680 | anrdaemon | 2017-09-05 17:05:40 +0300 (Tue, 05 Sep 2017) | 2 lines
-
-+ Misc\Url
++ Added Url::setQueryParams() method as a wrapper around Url::setParts().
+* Made unsetting query params possible.
 
 ------------------------------------------------------------------------
diff --git a/src/Net/Url.php b/src/Net/Url.php
index 75b7b58..faad3a5 100644
--- a/src/Net/Url.php
+++ b/src/Net/Url.php
@@ -1,7 +1,7 @@
 <?php
 /** URL handling class.
 *
-* @version SVN: $Id: Url.php 1030 2019-09-02 07:00:58Z anrdaemon $
+* @version SVN: $Id: Url.php 1035 2019-10-21 10:48:04Z anrdaemon $
 */
 
 namespace AnrDaemon\Net;
@@ -250,15 +250,24 @@ public function parse($url)
 
   /** Create a new instance of the class by replacing parts in the current instance
   *
-  * Note: This is a replacement, not merge; especially in case of a `query` part.
+  * Parts, whose values equal to `null` (or empty array in case of `query` part) are removed from the output.
+  * Same applies to null values of (top-level only for now) query params.
+  *
+  * Note: This is a replacement, not merge; especially not in case of a `query` part.
   *
   * Note: The `query` part is always decoded into an array.
   *
-  * @param array $parts A set of parts to replace. Uses the same names parse_url uses.
+  * @param array|string $parts A part name or set of parts to replace. Uses the same names parse_url uses.
+  * @param ?mixed $value A value of part to replace, if first argument is part name.
   * @return \AnrDaemon\Net\Url A new class instance with corresponding parts replaced.
   */
-  public function setParts(array $parts)
+  public function setParts($parts, $value = null)
   {
+    if(!is_array($parts))
+    {
+      $parts = [$parts => $value];
+    }
+
     /** Filter input array */
     $parts = array_intersect_key($parts, $this->params);
 
@@ -274,7 +283,7 @@ public function setParts(array $parts)
     {
       $query = $this->_parse_str($parts['query']);
       $this->_rksort($query);
-      $parts['query'] = $query;
+      $parts['query'] = array_filter($query, function($value) { return isset($value); });
     }
 
     /** Reset empty replacement parts to null
@@ -305,6 +314,25 @@ function(&$part, $key)
     return $self;
   }
 
+  /** Create a new instance of the class by replacing a set of query params in the current instance
+  *
+  * Parameters set to `null` will be removed from query block.
+  *
+  * Note: This is effectivaly a merge of existing `query` part and provided array.
+  *
+  * @see \AnrDaemon\Net\Url::setParts for more information.
+  *
+  * @param array $params A set of name-value pairs to replace.
+  * @return \AnrDaemon\Net\Url A new class instance with corresponding query manes replaced.
+  */
+  public function setQueryParams(array $params)
+  {
+    /** Compose new query block */
+    $query = $params + $this->params["query"];
+
+    return $this->setParts("query", $query);
+  }
+
 // Magic!
 
   /** Create a representation of an URL.
diff --git a/test/Net/UrlTest.php b/test/Net/UrlTest.php
index 1add9e2..5057ec6 100644
--- a/test/Net/UrlTest.php
+++ b/test/Net/UrlTest.php
@@ -304,6 +304,38 @@ public function overridePartsProvider()
       ]),
     ];
 
+    $data["with unset part"] = [
+      [
+        "scheme" => "http",
+        "host" => "localhost",
+        "path" => null,
+      ],
+      $this->_normalized([
+        "scheme" => "http",
+        "host" => "localhost",
+      ]),
+    ];
+
+    $data["with unset query param"] = [
+      [
+        "scheme" => "http",
+        "host" => "localhost",
+        "path" => "/",
+        "query" => [
+          "x" => null,
+          "y" => "",
+        ],
+      ],
+      $this->_normalized([
+        "scheme" => "http",
+        "host" => "localhost",
+        "path" => "/",
+        "query" => [
+          "y" => "",
+        ],
+      ]),
+    ];
+
     return $data;
   }