diff --git a/file.php b/file.php
index 0d2e609..133094b 100644
--- a/file.php
+++ b/file.php
@@ -47,7 +47,6 @@ class local_moodlecheck_file {
     protected $allphpdocs = null;
     protected $variables = null;
     protected $defines = null;
-    protected $constants = null;
 
     /**
      * Creates an object from path to the file
@@ -72,7 +71,6 @@ protected function clear_memory() {
         $this->allphpdocs = null;
         $this->variables = null;
         $this->defines = null;
-        $this->constants = null;
     }
 
     /**
@@ -518,47 +516,6 @@ public function &get_variables() {
         return $this->variables;
     }
 
-    /**
-     * Returns all constants found in file
-     *
-     * Returns array of objects where each element represents a constant:
-     * $variable->tid : token id of the token with variable name
-     * $variable->name : name of the variable (starts with $)
-     * $variable->phpdocs : phpdocs for this variable (instance of local_moodlecheck_phpdocs or false if not found)
-     * $variable->class : containing class object
-     * $variable->fullname : name of the variable with class name (i.e. classname::$varname)
-     * $variable->boundaries : array with ids of first and last token for this constant
-     *
-     * @return array
-     */
-    public function &get_constants() {
-        if ($this->constants === null) {
-            $this->constants = [];
-            $this->get_tokens();
-            for ($tid = 0; $tid < $this->tokenscount; $tid++) {
-                if ($this->tokens[$tid][0] == T_USE) {
-                    // Skip the entire use statement, to avoid interpreting "use const" as a constant.
-                    $tid = $this->end_of_statement($tid);
-                    continue;
-                }
-
-                if ($this->tokens[$tid][0] == T_CONST && !$this->is_inside_function($tid)) {
-                    $variable = new stdClass;
-                    $variable->tid = $tid;
-                    $variable->fullname = $variable->name = $this->next_nonspace_token($tid, false);
-                    $variable->class = $this->is_inside_class($tid);
-                    if ($variable->class !== false) {
-                        $variable->fullname = $variable->class->name . '::' . $variable->name;
-                    }
-                    $variable->phpdocs = $this->find_preceeding_phpdoc($tid);
-                    $variable->boundaries = $this->find_object_boundaries($variable);
-                    $this->constants[] = $variable;
-                }
-            }
-        }
-        return $this->constants;
-    }
-
     /**
      * Returns all 'define' statements found in file
      *
diff --git a/lang/en/local_moodlecheck.php b/lang/en/local_moodlecheck.php
index 82f93c1..d667d94 100644
--- a/lang/en/local_moodlecheck.php
+++ b/lang/en/local_moodlecheck.php
@@ -37,8 +37,6 @@
 
 $string['error_emptynophpfile'] = 'The file is empty or doesn\'t contain PHP code. Skipped.';
 
-$string['rule_constsdocumented'] = 'All constants are documented';
-$string['error_constsdocumented'] = 'Constant <b>{$a->object}</b> is not documented';
 $string['rule_definesdocumented'] = 'All define statements are documented';
 $string['error_definesdocumented'] = 'Define statement for <b>{$a->object}</b> is not documented';
 
diff --git a/rules/phpdocs_basic.php b/rules/phpdocs_basic.php
index 76fceab..d6c751e 100644
--- a/rules/phpdocs_basic.php
+++ b/rules/phpdocs_basic.php
@@ -24,7 +24,6 @@
 
 defined('MOODLE_INTERNAL') || die;
 
-local_moodlecheck_registry::add_rule('constsdocumented')->set_callback('local_moodlecheck_constsdocumented');
 local_moodlecheck_registry::add_rule('definesdocumented')->set_callback('local_moodlecheck_definesdocumented');
 local_moodlecheck_registry::add_rule('noinlinephpdocs')->set_callback('local_moodlecheck_noinlinephpdocs');
 local_moodlecheck_registry::add_rule('phpdocsfistline')->set_callback('local_moodlecheck_phpdocsfistline');
@@ -35,22 +34,6 @@
 local_moodlecheck_registry::add_rule('phpdocsuncurlyinlinetag')->set_callback('local_moodlecheck_phpdocsuncurlyinlinetag');
 local_moodlecheck_registry::add_rule('phpdoccontentsinlinetag')->set_callback('local_moodlecheck_phpdoccontentsinlinetag');
 
-/**
- * Checks if all constants have phpdocs blocks
- *
- * @param local_moodlecheck_file $file
- * @return array of found errors
- */
-function local_moodlecheck_constsdocumented(local_moodlecheck_file $file) {
-    $errors = [];
-    foreach ($file->get_constants() as $object) {
-        if ($object->phpdocs === false) {
-            $errors[] = ['object' => $object->fullname, 'line' => $file->get_line_number($object->tid)];
-        }
-    }
-    return $errors;
-}
-
 /**
  * Checks if all variables have phpdocs blocks
  *
diff --git a/tests/moodlecheck_rules_test.php b/tests/moodlecheck_rules_test.php
index 50ba0a1..b8c840b 100644
--- a/tests/moodlecheck_rules_test.php
+++ b/tests/moodlecheck_rules_test.php
@@ -324,29 +324,6 @@ public function test_j_method_multiline(): void {
         $this->assertSame(0, $found->length); // All examples in fixtures are ok.
     }
 
-    /**
-     * Verify that "use function" statements are ignored.
-     *
-     * @covers ::local_moodlecheck_constsdocumented
-     */
-    public function test_constsdocumented_ignore_uses(): void {
-        $file = __DIR__ . "/fixtures/uses.php";
-
-        global $PAGE;
-        $output = $PAGE->get_renderer('local_moodlecheck');
-        $path = new local_moodlecheck_path($file, null);
-        $result = $output->display_path($path, 'xml');
-
-        // Convert results to XML Object.
-        $xmlresult = new \DOMDocument();
-        $xmlresult->loadXML($result);
-
-        $xpath = new \DOMXpath($xmlresult);
-        $found = $xpath->query('//file/error[@source="constsdocumented"]');
-        // TODO: Change to DOMNodeList::count() when php71 support is gone.
-        $this->assertSame(0, $found->length);
-    }
-
     /**
      * Verify that the text format shown information about the severity of the problem (error vs warning)
      *