diff --git a/src/BigInteger.php b/src/BigInteger.php
index 1d53da0..d341da4 100644
--- a/src/BigInteger.php
+++ b/src/BigInteger.php
@@ -57,30 +57,6 @@ public static function of($value) : BigNumber
         return parent::of($value)->toBigInteger();
     }
 
-    /**
-     * Parses a string containing an integer in an arbitrary base.
-     *
-     * @deprecated will be removed in version 0.9 - use fromBase() instead
-     *
-     * The string can optionally be prefixed with the `+` or `-` sign.
-     * For bases greater than 10, both uppercase and lowercase letters are allowed.
-     *
-     * @param string $number The number to parse.
-     * @param int    $base   The base of the number, between 2 and 36.
-     *
-     * @return BigInteger
-     *
-     * @throws \InvalidArgumentException If the number is invalid or the base is out of range.
-     */
-    public static function parse(string $number, int $base = 10) : BigInteger
-    {
-        try {
-            return self::fromBase($number, $base);
-        } catch (NumberFormatException $e) {
-            throw new \InvalidArgumentException($e->getMessage(), 0, $e);
-        }
-    }
-
     /**
      * Creates a number from a string in a given base.
      *
diff --git a/tests/BigIntegerTest.php b/tests/BigIntegerTest.php
index 4cf57bf..e878772 100644
--- a/tests/BigIntegerTest.php
+++ b/tests/BigIntegerTest.php
@@ -160,213 +160,6 @@ public function providerOfNonConvertibleValueThrowsException() : array
         ];
     }
 
-    /**
-     * @dataProvider providerParse
-     *
-     * @param string $number   The number to create.
-     * @param int    $base     The base of the number.
-     * @param string $expected The expected result in base 10.
-     */
-    public function testParse($number, $base, $expected)
-    {
-        $this->assertBigIntegerEquals($expected, BigInteger::parse($number, $base));
-    }
-
-    /**
-     * @return array
-     */
-    public function providerParse()
-    {
-        return [
-            ['0', 10, '0'],
-            ['-0', 10, '0'],
-            ['+0', 10, '0'],
-            ['00', 16, '0'],
-            ['-00', 16, '0'],
-            ['+00', 16, '0'],
-
-            ['1', 10, '1'],
-            ['-1', 10, '-1'],
-            ['+1', 10, '1'],
-            ['01', 8, '1'],
-            ['-01', 8, '-1'],
-            ['+01', 8, '1'],
-
-            ['123', 10, '123'],
-            ['+456', 10, '456'],
-            ['-789', 10, '-789'],
-            ['0123', 10, '123'],
-            ['+0456', 10, '456'],
-            ['-0789', 10, '-789'],
-
-            ['123', 11, '146'],
-            ['+456', 11, '545'],
-            ['-789', 11, '-944'],
-            ['0123', 11, '146'],
-            ['+0456', 11, '545'],
-            ['-0789', 11, '-944'],
-
-            ['110011001100110011001111', 36, '640998479760579495168036691627608949'],
-            ['110011001100110011001111', 35, '335582856048758779730579523833856636'],
-            ['110011001100110011001111', 34, '172426711023004493064981145981549295'],
-            ['110011001100110011001111', 33, '86853227285668653965326574185738990'],
-            ['110011001100110011001111', 32, '42836489934972583913564073319498785'],
-            ['110011001100110011001111', 31, '20658924711984480538771889603666144'],
-            ['110011001100110011001111', 30, '9728140488839986222205212599027931'],
-            ['110011001100110011001111', 29, '4465579470019956787945275674107410'],
-            ['110011001100110011001111', 28, '1994689924537781753408144504465645'],
-            ['110011001100110011001111', 27, '865289950909412968716094193925700'],
-            ['110011001100110011001111', 26, '363729369583879309352831568000039'],
-            ['110011001100110011001111', 25, '147793267388865354156500488297526'],
-            ['110011001100110011001111', 24, '57888012016107577099138793486425'],
-            ['110011001100110011001111', 23, '21788392294523974761749372677800'],
-            ['110011001100110011001111', 22, '7852874701996329566765721637715'],
-            ['110011001100110011001111', 21, '2699289081943123258094476428634'],
-            ['110011001100110011001111', 20, '880809345058406615041344008421'],
-            ['110011001100110011001111', 19, '271401690926468032718781859340'],
-            ['110011001100110011001111', 18, '78478889737009209699633503455'],
-            ['110011001100110011001111', 17, '21142384915931646646976872830'],
-            ['110011001100110011001111', 16, '5261325448418072742917574929'],
-            ['110011001100110011001111', 15, '1197116069565850925807253616'],
-            ['110011001100110011001111', 14, '245991074299834917455374155'],
-            ['110011001100110011001111', 13, '44967318722190498361960610'],
-            ['110011001100110011001111', 12, '7177144825886069940574045'],
-            ['110011001100110011001111', 11, '976899716207148313491924'],
-            ['110011001100110011001111', 10, '110011001100110011001111'],
-            ['110011001100110011001111', 9, '9849210196991880028870'],
-            ['110011001100110011001111', 8, '664244955832213832265'],
-            ['110011001100110011001111', 7, '31291601125492514360'],
-            ['110011001100110011001111', 6, '922063395565287619'],
-            ['110011001100110011001111', 5, '14328039609468906'],
-            ['110011001100110011001111', 4, '88305875046485'],
-            ['110011001100110011001111', 3, '127093291420'],
-            ['110011001100110011001111', 2, '13421775'],
-
-            ['ZyXwVuTsRqPoNmLkJiHgFeDcBa9876543210', 36, '106300512100105327644605138221229898724869759421181854980'],
-            ['YxWvUtSrQpOnMlKjIhGfEdCbA9876543210', 35, '1101553773143634726491620528194292510495517905608180485'],
-            ['XwVuTsRqPoNmLkJiHgFeDcBa9876543210', 34, '11745843093701610854378775891116314824081102660800418'],
-            ['WvUtSrQpOnMlKjIhGfEdCbA9876543210', 33, '128983956064237823710866404905431464703849549412368'],
-            ['VuTsRqPoNmLkJiHgFeDcBa9876543210', 32, '1459980823972598128486511383358617792788444579872'],
-            ['UtSrQpOnMlKjIhGfEdCbA9876543210', 31, '17050208381689099029767742314582582184093573615'],
-            ['TsRqPoNmLkJiHgFeDcBa9876543210', 30, '205646315052919334126040428061831153388822830'],
-            ['SrQpOnMlKjIhGfEdCbA9876543210', 29, '2564411043271974895869785066497940850811934'],
-            ['RqPoNmLkJiHgFeDcBa9876543210', 28, '33100056003358651440264672384704297711484'],
-            ['QpOnMlKjIhGfEdCbA9876543210', 27, '442770531899482980347734468443677777577'],
-            ['PoNmLkJiHgFeDcBa9876543210', 26, '6146269788878825859099399609538763450'],
-            ['OnMlKjIhGfEdCbA9876543210', 25, '88663644327703473714387251271141900'],
-            ['NmLkJiHgFeDcBa9876543210', 24, '1331214537196502869015340298036888'],
-            ['MlKjIhGfEdCbA9876543210', 23, '20837326537038308910317109288851'],
-            ['LkJiHgFeDcBa9876543210', 22, '340653664490377789692799452102'],
-            ['KjIhGfEdCbA9876543210', 21, '5827980550840017565077671610'],
-            ['JiHgFeDcBa9876543210', 20, '104567135734072022160664820'],
-            ['IhGfEdCbA9876543210', 19, '1972313422155189164466189'],
-            ['HgFeDcBa9876543210', 18, '39210261334551566857170'],
-            ['GfEdCbA9876543210', 17, '824008854613343261192'],
-            ['FeDcBa9876543210', 16, '18364758544493064720'],
-            ['EdCbA9876543210', 15, '435659737878916215'],
-            ['DcBa9876543210', 14, '11046255305880158'],
-            ['CbA9876543210', 13, '300771807240918'],
-            ['Ba9876543210', 12, '8842413667692'],
-            ['A9876543210', 11, '282458553905'],
-            ['9876543210', 10, '9876543210'],
-            ['876543210', 9, '381367044'],
-            ['76543210', 8, '16434824'],
-            ['6543210', 7, '800667'],
-            ['543210', 6, '44790'],
-            ['43210', 5, '2930'],
-            ['3210', 4, '228'],
-            ['210', 3, '21'],
-            ['10', 2, '2'],
-        ];
-    }
-
-    /**
-     * @dataProvider providerParseInvalidValueThrowsException
-     * @expectedException \InvalidArgumentException
-     *
-     * @param string $value
-     * @param int    $base
-     */
-    public function testParseInvalidValueThrowsException($value, $base)
-    {
-        BigInteger::parse($value, $base);
-    }
-
-    /**
-     * @return array
-     */
-    public function providerParseInvalidValueThrowsException()
-    {
-        return [
-            ['', 10],
-            [' ', 10],
-            ['+', 10],
-            ['-', 10],
-            ['1 ', 10],
-            [' 1', 10],
-
-            ['Z', 35],
-            ['y', 34],
-            ['X', 33],
-            ['w', 32],
-            ['V', 31],
-            ['u', 30],
-            ['T', 29],
-            ['s', 28],
-            ['R', 27],
-            ['q', 26],
-            ['P', 25],
-            ['o', 24],
-            ['N', 23],
-            ['m', 22],
-            ['L', 21],
-            ['k', 20],
-            ['J', 19],
-            ['i', 18],
-            ['H', 17],
-            ['g', 16],
-            ['F', 15],
-            ['e', 14],
-            ['D', 13],
-            ['c', 12],
-            ['B', 11],
-            ['a', 10],
-            ['9', 9],
-            ['8', 8],
-            ['7', 7],
-            ['6', 6],
-            ['5', 5],
-            ['4', 4],
-            ['3', 3],
-            ['2', 2]
-        ];
-    }
-
-    /**
-     * @dataProvider providerParseWithInvalidBaseThrowsException
-     * @expectedException \InvalidArgumentException
-     *
-     * @param int $base
-     */
-    public function testParseWithInvalidBaseThrowsException($base)
-    {
-        BigInteger::parse('0', $base);
-    }
-
-    /**
-     * @return array
-     */
-    public function providerParseWithInvalidBaseThrowsException()
-    {
-        return [
-            [-2],
-            [-1],
-            [0],
-            [1],
-            [37]
-        ];
-    }
-
     /**
      * @dataProvider providerFromBase
      *