diff --git a/libraries/Advisor.class.php b/libraries/Advisor.class.php
index 9d8e6a9035..ba8ab1392e 100644
--- a/libraries/Advisor.class.php
+++ b/libraries/Advisor.class.php
@@ -456,63 +456,4 @@ class Advisor
         return array('rules' => $rules, 'lines' => $lines, 'errors' => $errors);
     }
 }
-
-/**
- * Formats interval like 10 per hour
- *
- * @param integer $num       number to format
- * @param integer $precision required precision
- *
- * @return string formatted string
- */
-function ADVISOR_bytime($num, $precision)
-{
-    if ($num >= 1) { // per second
-        $per = __('per second');
-    } elseif ($num * 60 >= 1) { // per minute
-        $num = $num * 60;
-        $per = __('per minute');
-    } elseif ($num * 60 * 60 >= 1 ) { // per hour
-        $num = $num * 60 * 60;
-        $per = __('per hour');
-    } else {
-        $num = $num * 60 * 60 * 24;
-        $per = __('per day');
-    }
-
-    $num = round($num, $precision);
-
-    if ($num == 0) {
-        $num = '<' . PMA_Util::pow(10, -$precision);
-    }
-
-    return "$num $per";
-}
-
-/**
- * Wrapper for PMA_Util::timespanFormat
- *
- * @param int $seconds the timespan
- *
- * @return string  the formatted value
- */
-function ADVISOR_timespanFormat($seconds)
-{
-    return PMA_Util::timespanFormat($seconds);
-}
-
-/**
- * Wrapper around PMA_Util::formatByteDown
- *
- * @param double $value the value to format
- * @param int    $limes the sensitiveness
- * @param int    $comma the number of decimals to retain
- *
- * @return string the formatted value with unit
- */
-function ADVISOR_formatByteDown($value, $limes = 6, $comma = 0)
-{
-    return implode(' ', PMA_Util::formatByteDown($value, $limes, $comma));
-}
-
 ?>
diff --git a/test/classes/PMA_Advisor_test.php b/test/classes/PMA_Advisor_test.php
index dec751a2d5..5c1db512e3 100644
--- a/test/classes/PMA_Advisor_test.php
+++ b/test/classes/PMA_Advisor_test.php
@@ -79,37 +79,6 @@ class Advisor_Test extends PHPUnit_Framework_TestCase
         $this->assertEquals($parseResult['errors'], array());
     }
 
-    /**
-     * test for ADVISOR_bytime
-     *
-     * @return void
-     */
-    public function testAdvisorBytime()
-    {
-        $result = ADVISOR_bytime(10, 2);
-        $this->assertEquals("10 per second", $result);
-
-        $result = ADVISOR_bytime(0.02, 2);
-        $this->assertEquals("1.2 per minute", $result);
-
-        $result = ADVISOR_bytime(0.003, 2);
-        $this->assertEquals("10.8 per hour", $result);
-    }
-
-    /**
-     * test for ADVISOR_timespanFormat
-     *
-     * @return void
-     */
-    public function testAdvisorTimespanFormat()
-    {
-        $result = ADVISOR_timespanFormat(1200);
-        $this->assertEquals("0 days, 0 hours, 20 minutes and 0 seconds", $result);
-
-        $result = ADVISOR_timespanFormat(100);
-        $this->assertEquals("0 days, 0 hours, 1 minutes and 40 seconds", $result);
-    }
-
     /**
      * Test for adding rule
      *