diff --git a/tests/Bootstrap.php b/tests/Bootstrap.php
index 8240d23..b4e56bd 100644
--- a/tests/Bootstrap.php
+++ b/tests/Bootstrap.php
@@ -1,10 +1,4 @@
 <?php
-// For some reason, setting this fixes the 5.2 tests but breaks the 5.3 ones ...
-if (version_compare(PHP_VERSION, '5.3.0', '<'))
-{
-	ini_set('memory_limit', '128M');
-}
-
 // Errors on full!
 ini_set('display_errors', 1);
 error_reporting(E_ALL | E_STRICT);
diff --git a/tests/codeigniter/core/Log_test.php b/tests/codeigniter/core/Log_test.php
index 2dd9d90..d5a6fcb 100644
--- a/tests/codeigniter/core/Log_test.php
+++ b/tests/codeigniter/core/Log_test.php
@@ -3,11 +3,6 @@
 
 	public function test_configuration()
 	{
-		if ( ! is_php('5.3'))
-		{
-			return $this->markTestSkipped("PHP 5.2 doesn't have ReflectionProperty::setAccessible() and can't run this test");
-		}
-
 		$path       = new ReflectionProperty('CI_Log', '_log_path');
 		$path->setAccessible(TRUE);
 		$threshold  = new ReflectionProperty('CI_Log', '_threshold');
@@ -54,11 +49,6 @@
 
 	public function test_format_line()
 	{
-		if ( ! is_php('5.3'))
-		{
-			return $this->markTestSkipped("PHP 5.2 doesn't have ReflectionProperty::setAccessible() and can't run this test");
-		}
-
 		$this->ci_set_config('log_path', '');
 		$this->ci_set_config('log_threshold', 0);
 		$instance = new CI_Log();
diff --git a/tests/codeigniter/core/compat/password_test.php b/tests/codeigniter/core/compat/password_test.php
index 8a507d1..77f5eba 100644
--- a/tests/codeigniter/core/compat/password_test.php
+++ b/tests/codeigniter/core/compat/password_test.php
@@ -8,11 +8,6 @@
 		{
 			return $this->markTestSkipped('ext/standard/password is available on PHP 5.5');
 		}
-		elseif ( ! is_php('5.3.7'))
-		{
-			$this->assertFalse(defined('PASSWORD_BCRYPT'));
-			return $this->markTestSkipped("PHP versions prior to 5.3.7 don't have the '2y' Blowfish version");
-		}
 		// defined as of HHVM 2.3.0, which is also when they introduce password_*() as well
 		// Note: Do NOT move this after the CRYPT_BLOWFISH check
 		elseif (defined('HHVM_VERSION'))
diff --git a/tests/codeigniter/core/compat/standard_test.php b/tests/codeigniter/core/compat/standard_test.php
index 4077a5c..a984601 100644
--- a/tests/codeigniter/core/compat/standard_test.php
+++ b/tests/codeigniter/core/compat/standard_test.php
@@ -15,13 +15,6 @@
 		{
 			$this->assertTrue(function_exists('hex2bin'));
 		}
-
-		if ( ! is_php('5.3'))
-		{
-			$this->assertTrue(function_exists('array_replace'));
-			$this->assertTrue(function_exists('array_replace_recursive'));
-			$this->assertTrue(function_exists('quoted_printable_encode'));
-		}
 	}
 
 	// ------------------------------------------------------------------------
@@ -356,193 +349,6 @@
 		$this->assertEquals('', hex2bin(''));
 		$this->assertEquals("\x01\x02\x03", hex2bin(new FooHex()));
 	}
-
-	// ------------------------------------------------------------------------
-
-	/**
-	 * array_replace(), array_replace_recursive() tests
-	 *
-	 * Borrowed from PHP's own tests
-	 *
-	 * @depends	test_bootstrap
-	 */
-	public function test_array_replace_recursive()
-	{
-		if (is_php('5.3'))
-		{
-			return $this->markTestSkipped('array_replace() and array_replace_recursive() are already available on PHP 5.3');
-		}
-
-		$array1 = array(
-			0 => 'dontclobber',
-			'1' => 'unclobbered',
-			'test2' => 0.0,
-			'test3' => array(
-				'testarray2' => TRUE,
-				1 => array(
-					'testsubarray1' => 'dontclobber2',
-					'testsubarray2' => 'dontclobber3'
-				)
-			)
-		);
-
-		$array2 = array(
-			1 => 'clobbered',
-			'test3' => array(
-				'testarray2' => FALSE
-			),
-			'test4' => array(
-				'clobbered3' => array(0, 1, 2)
-			)
-		);
-
-		// array_replace()
-		$this->assertEquals(
-			array(
-				0 => 'dontclobber',
-				1 => 'clobbered',
-				'test2' => 0.0,
-				'test3' => array(
-					'testarray2' => FALSE
-				),
-				'test4' => array(
-					'clobbered3' => array(0, 1, 2)
-				)
-			),
-			array_replace($array1, $array2)
-		);
-
-		// array_replace_recursive()
-		$this->assertEquals(
-			array(
-				0 => 'dontclobber',
-				1 => 'clobbered',
-				'test2' => 0.0,
-				'test3' => array(
-					'testarray2' => FALSE,
-					1 => array(
-						'testsubarray1' => 'dontclobber2',
-						'testsubarray2' => 'dontclobber3'
-					)
-				),
-				'test4' => array(
-					'clobbered3' => array(0, 1, 2)
-				)
-			),
-			array_replace_recursive($array1, $array2)
-		);
-	}
-
-	// ------------------------------------------------------------------------
-
-	/**
-	 * quoted_printable_encode() tests
-	 *
-	 * Borrowed from PHP's own tests
-	 *
-	 * @depends	test_bootstrap
-	 */
-	public function test_quoted_printable_encode()
-	{
-		if (is_php('5.3'))
-		{
-			return $this->markTestSkipped('quoted_printable_encode() is already available on PHP 5.3');
-		}
-
-		// These are actually imap_8bit() tests:
-		$this->assertEquals("String with CRLF at end=20\r\n", quoted_printable_encode("String with CRLF at end \r\n"));
-		// ext/imap/tests/imap_8bit_basic.phpt says for this line:
-		// NB this appears to be a bug in cclient; a space at end of string should be encoded as =20
-		$this->assertEquals("String with space at end ", quoted_printable_encode("String with space at end "));
-		$this->assertEquals("String with tabs =09=09 in middle", quoted_printable_encode("String with tabs \t\t in middle"));
-		$this->assertEquals("String with tab at end =09", quoted_printable_encode("String with tab at end \t"));
-		$this->assertEquals("=00=01=02=03=04=FE=FF=0A=0D", quoted_printable_encode("\x00\x01\x02\x03\x04\xfe\xff\x0a\x0d"));
-
-		if (function_exists('imap_8bit'))
-		{
-			return $this->markTestIncomplete('imap_8bit() exists and is called as an alias for quoted_printable_encode()');
-		}
-
-		// And these are from ext/standard/tests/strings/quoted_printable_encode_002.phpt:
-		$this->assertEquals(
-			"=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=\r\n"
-			."=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=\r\n"
-			."=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=\r\n"
-			."=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=\r\n"
-			."=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=\r\n"
-			."=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=\r\n"
-			."=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=\r\n"
-			."=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00=00",
-			$d = quoted_printable_encode(str_repeat("\0", 200))
-		);
-		$this->assertEquals(str_repeat("\x0", 200), quoted_printable_decode($d));
-		$this->assertEquals(
-			"=D1=81=D1=82=D1=80=D0=BE=D0=BA=D0=B0 =D0=B2 =D1=8E=D0=BD=D0=B8=D0=BA=D0=\r\n"
-			."=BE=D0=B4=D0=B5=D1=81=D1=82=D1=80=D0=BE=D0=BA=D0=B0 =D0=B2 =D1=8E=D0=BD=\r\n"
-			."=D0=B8=D0=BA=D0=BE=D0=B4=D0=B5=D1=81=D1=82=D1=80=D0=BE=D0=BA=D0=B0 =D0=\r\n"
-			."=B2 =D1=8E=D0=BD=D0=B8=D0=BA=D0=BE=D0=B4=D0=B5=D1=81=D1=82=D1=80=D0=BE=\r\n"
-			."=D0=BA=D0=B0 =D0=B2 =D1=8E=D0=BD=D0=B8=D0=BA=D0=BE=D0=B4=D0=B5=D1=81=D1=\r\n"
-			."=82=D1=80=D0=BE=D0=BA=D0=B0 =D0=B2 =D1=8E=D0=BD=D0=B8=D0=BA=D0=BE=D0=B4=\r\n"
-			."=D0=B5=D1=81=D1=82=D1=80=D0=BE=D0=BA=D0=B0 =D0=B2 =D1=8E=D0=BD=D0=B8=D0=\r\n"
-			."=BA=D0=BE=D0=B4=D0=B5=D1=81=D1=82=D1=80=D0=BE=D0=BA=D0=B0 =D0=B2 =D1=8E=\r\n"
-			."=D0=BD=D0=B8=D0=BA=D0=BE=D0=B4=D0=B5=D1=81=D1=82=D1=80=D0=BE=D0=BA=D0=B0 =\r\n"
-			."=D0=B2 =D1=8E=D0=BD=D0=B8=D0=BA=D0=BE=D0=B4=D0=B5=D1=81=D1=82=D1=80=D0=\r\n"
-			."=BE=D0=BA=D0=B0 =D0=B2 =D1=8E=D0=BD=D0=B8=D0=BA=D0=BE=D0=B4=D0=B5=D1=81=\r\n"
-			."=D1=82=D1=80=D0=BE=D0=BA=D0=B0 =D0=B2 =D1=8E=D0=BD=D0=B8=D0=BA=D0=BE=D0=\r\n"
-			."=B4=D0=B5=D1=81=D1=82=D1=80=D0=BE=D0=BA=D0=B0 =D0=B2 =D1=8E=D0=BD=D0=B8=\r\n"
-			."=D0=BA=D0=BE=D0=B4=D0=B5=D1=81=D1=82=D1=80=D0=BE=D0=BA=D0=B0 =D0=B2 =D1=\r\n"
-			."=8E=D0=BD=D0=B8=D0=BA=D0=BE=D0=B4=D0=B5=D1=81=D1=82=D1=80=D0=BE=D0=BA=D0=\r\n"
-			."=B0 =D0=B2 =D1=8E=D0=BD=D0=B8=D0=BA=D0=BE=D0=B4=D0=B5=D1=81=D1=82=D1=80=\r\n"
-			."=D0=BE=D0=BA=D0=B0 =D0=B2 =D1=8E=D0=BD=D0=B8=D0=BA=D0=BE=D0=B4=D0=B5=D1=\r\n"
-			."=81=D1=82=D1=80=D0=BE=D0=BA=D0=B0 =D0=B2 =D1=8E=D0=BD=D0=B8=D0=BA=D0=BE=\r\n"
-			."=D0=B4=D0=B5=D1=81=D1=82=D1=80=D0=BE=D0=BA=D0=B0 =D0=B2 =D1=8E=D0=BD=D0=\r\n"
-			."=B8=D0=BA=D0=BE=D0=B4=D0=B5=D1=81=D1=82=D1=80=D0=BE=D0=BA=D0=B0 =D0=B2 =\r\n"
-			."=D1=8E=D0=BD=D0=B8=D0=BA=D0=BE=D0=B4=D0=B5=D1=81=D1=82=D1=80=D0=BE=D0=BA=\r\n"
-			."=D0=B0 =D0=B2 =D1=8E=D0=BD=D0=B8=D0=BA=D0=BE=D0=B4=D0=B5=D1=81=D1=82=D1=\r\n"
-			."=80=D0=BE=D0=BA=D0=B0 =D0=B2 =D1=8E=D0=BD=D0=B8=D0=BA=D0=BE=D0=B4=D0=B5=\r\n"
-			."=D1=81=D1=82=D1=80=D0=BE=D0=BA=D0=B0 =D0=B2 =D1=8E=D0=BD=D0=B8=D0=BA=D0=\r\n"
-			."=BE=D0=B4=D0=B5=D1=81=D1=82=D1=80=D0=BE=D0=BA=D0=B0 =D0=B2 =D1=8E=D0=BD=\r\n"
-			."=D0=B8=D0=BA=D0=BE=D0=B4=D0=B5=D1=81=D1=82=D1=80=D0=BE=D0=BA=D0=B0 =D0=\r\n"
-			."=B2 =D1=8E=D0=BD=D0=B8=D0=BA=D0=BE=D0=B4=D0=B5=D1=81=D1=82=D1=80=D0=BE=\r\n"
-			."=D0=BA=D0=B0 =D0=B2 =D1=8E=D0=BD=D0=B8=D0=BA=D0=BE=D0=B4=D0=B5=D1=81=D1=\r\n"
-			."=82=D1=80=D0=BE=D0=BA=D0=B0 =D0=B2 =D1=8E=D0=BD=D0=B8=D0=BA=D0=BE=D0=B4=\r\n"
-			."=D0=B5=D1=81=D1=82=D1=80=D0=BE=D0=BA=D0=B0 =D0=B2 =D1=8E=D0=BD=D0=B8=D0=\r\n"
-			."=BA=D0=BE=D0=B4=D0=B5=D1=81=D1=82=D1=80=D0=BE=D0=BA=D0=B0 =D0=B2 =D1=8E=\r\n"
-			."=D0=BD=D0=B8=D0=BA=D0=BE=D0=B4=D0=B5=D1=81=D1=82=D1=80=D0=BE=D0=BA=D0=B0 =\r\n"
-			."=D0=B2 =D1=8E=D0=BD=D0=B8=D0=BA=D0=BE=D0=B4=D0=B5=D1=81=D1=82=D1=80=D0=\r\n"
-			."=BE=D0=BA=D0=B0 =D0=B2 =D1=8E=D0=BD=D0=B8=D0=BA=D0=BE=D0=B4=D0=B5=D1=81=\r\n"
-			."=D1=82=D1=80=D0=BE=D0=BA=D0=B0 =D0=B2 =D1=8E=D0=BD=D0=B8=D0=BA=D0=BE=D0=\r\n"
-			."=B4=D0=B5=D1=81=D1=82=D1=80=D0=BE=D0=BA=D0=B0 =D0=B2 =D1=8E=D0=BD=D0=B8=\r\n"
-			."=D0=BA=D0=BE=D0=B4=D0=B5=D1=81=D1=82=D1=80=D0=BE=D0=BA=D0=B0 =D0=B2 =D1=\r\n"
-			."=8E=D0=BD=D0=B8=D0=BA=D0=BE=D0=B4=D0=B5=D1=81=D1=82=D1=80=D0=BE=D0=BA=D0=\r\n"
-			."=B0 =D0=B2 =D1=8E=D0=BD=D0=B8=D0=BA=D0=BE=D0=B4=D0=B5=D1=81=D1=82=D1=80=\r\n"
-			."=D0=BE=D0=BA=D0=B0 =D0=B2 =D1=8E=D0=BD=D0=B8=D0=BA=D0=BE=D0=B4=D0=B5=D1=\r\n"
-			."=81=D1=82=D1=80=D0=BE=D0=BA=D0=B0 =D0=B2 =D1=8E=D0=BD=D0=B8=D0=BA=D0=BE=\r\n"
-			."=D0=B4=D0=B5=D1=81=D1=82=D1=80=D0=BE=D0=BA=D0=B0 =D0=B2 =D1=8E=D0=BD=D0=\r\n"
-			."=B8=D0=BA=D0=BE=D0=B4=D0=B5=D1=81=D1=82=D1=80=D0=BE=D0=BA=D0=B0 =D0=B2 =\r\n"
-			."=D1=8E=D0=BD=D0=B8=D0=BA=D0=BE=D0=B4=D0=B5=D1=81=D1=82=D1=80=D0=BE=D0=BA=\r\n"
-			."=D0=B0 =D0=B2 =D1=8E=D0=BD=D0=B8=D0=BA=D0=BE=D0=B4=D0=B5=D1=81=D1=82=D1=\r\n"
-			."=80=D0=BE=D0=BA=D0=B0 =D0=B2 =D1=8E=D0=BD=D0=B8=D0=BA=D0=BE=D0=B4=D0=B5=\r\n"
-			."=D1=81=D1=82=D1=80=D0=BE=D0=BA=D0=B0 =D0=B2 =D1=8E=D0=BD=D0=B8=D0=BA=D0=\r\n"
-			."=BE=D0=B4=D0=B5=D1=81=D1=82=D1=80=D0=BE=D0=BA=D0=B0 =D0=B2 =D1=8E=D0=BD=\r\n"
-			."=D0=B8=D0=BA=D0=BE=D0=B4=D0=B5=D1=81=D1=82=D1=80=D0=BE=D0=BA=D0=B0 =D0=\r\n"
-			."=B2 =D1=8E=D0=BD=D0=B8=D0=BA=D0=BE=D0=B4=D0=B5=D1=81=D1=82=D1=80=D0=BE=\r\n"
-			."=D0=BA=D0=B0 =D0=B2 =D1=8E=D0=BD=D0=B8=D0=BA=D0=BE=D0=B4=D0=B5=D1=81=D1=\r\n"
-			."=82=D1=80=D0=BE=D0=BA=D0=B0 =D0=B2 =D1=8E=D0=BD=D0=B8=D0=BA=D0=BE=D0=B4=\r\n"
-			."=D0=B5=D1=81=D1=82=D1=80=D0=BE=D0=BA=D0=B0 =D0=B2 =D1=8E=D0=BD=D0=B8=D0=\r\n"
-			."=BA=D0=BE=D0=B4=D0=B5=D1=81=D1=82=D1=80=D0=BE=D0=BA=D0=B0 =D0=B2 =D1=8E=\r\n"
-			."=D0=BD=D0=B8=D0=BA=D0=BE=D0=B4=D0=B5=D1=81=D1=82=D1=80=D0=BE=D0=BA=D0=B0 =\r\n"
-			."=D0=B2 =D1=8E=D0=BD=D0=B8=D0=BA=D0=BE=D0=B4=D0=B5=D1=81=D1=82=D1=80=D0=\r\n"
-			."=BE=D0=BA=D0=B0 =D0=B2 =D1=8E=D0=BD=D0=B8=D0=BA=D0=BE=D0=B4=D0=B5=D1=81=\r\n"
-			."=D1=82=D1=80=D0=BE=D0=BA=D0=B0 =D0=B2 =D1=8E=D0=BD=D0=B8=D0=BA=D0=BE=D0=\r\n"
-			."=B4=D0=B5=D1=81=D1=82=D1=80=D0=BE=D0=BA=D0=B0 =D0=B2 =D1=8E=D0=BD=D0=B8=\r\n"
-			."=D0=BA=D0=BE=D0=B4=D0=B5=D1=81=D1=82=D1=80=D0=BE=D0=BA=D0=B0 =D0=B2 =D1=\r\n"
-			."=8E=D0=BD=D0=B8=D0=BA=D0=BE=D0=B4=D0=B5",
-			$d = quoted_printable_encode(str_repeat('строка в юникоде', 50))
-		);
-		$this->assertEquals(str_repeat('строка в юникоде', 50), quoted_printable_decode($d));
-		$this->assertEquals('this is a foo', quoted_printable_encode(new FooObject()));
-	}
 }
 
 // ------------------------------------------------------------------------
@@ -570,11 +376,3 @@
 		return '010203';
 	}
 }
-
-class FooObject
-{
-	public function __toString()
-	{
-		return 'this is a foo';
-	}
-}
\ No newline at end of file
diff --git a/tests/codeigniter/libraries/Upload_test.php b/tests/codeigniter/libraries/Upload_test.php
index 4fbc11e..820bd37 100644
--- a/tests/codeigniter/libraries/Upload_test.php
+++ b/tests/codeigniter/libraries/Upload_test.php
@@ -25,14 +25,10 @@
 			)
 		);
 
-		// ReflectionProperty::setAccessible() is not available in PHP 5.2.x
-		if (is_php('5.3'))
-		{
-			$reflection = new ReflectionClass($upload);
-			$reflection = $reflection->getProperty('_file_name_override');
-			$reflection->setAccessible(TRUE);
-			$this->assertEquals('foo', $reflection->getValue($upload));
-		}
+		$reflection = new ReflectionClass($upload);
+		$reflection = $reflection->getProperty('_file_name_override');
+		$reflection->setAccessible(TRUE);
+		$this->assertEquals('foo', $reflection->getValue($upload));
 
 		$this->assertTrue($upload->file_ext_tolower);