diff --git a/enrol/ldap/lib.php b/enrol/ldap/lib.php
index e6f41406c0..13a187972c 100644
--- a/enrol/ldap/lib.php
+++ b/enrol/ldap/lib.php
@@ -849,7 +849,7 @@ class enrol_ldap_plugin extends enrol_plugin {
      * and indirectly via nested groups membership.
      *
      * @param string $memberdn distinguished name to search
-     * @return array with member groups' distinguished names (can be emtpy)
+     * @return array with member groups' distinguished names (can be empty)
      */
     protected function ldap_find_user_groups($memberdn) {
         $groups = array();
diff --git a/lib/filebrowser/file_info_context_module.php b/lib/filebrowser/file_info_context_module.php
index c2c068ffd1..d0f3da9f71 100644
--- a/lib/filebrowser/file_info_context_module.php
+++ b/lib/filebrowser/file_info_context_module.php
@@ -208,7 +208,7 @@ class file_info_context_module extends file_info {
     }
 
     /**
-     * Whether or not this is an emtpy area
+     * Whether or not this is an empty area
      *
      * @return bool
      */
diff --git a/lib/ldaplib.php b/lib/ldaplib.php
index 78923c7f13..771598c229 100644
--- a/lib/ldaplib.php
+++ b/lib/ldaplib.php
@@ -172,7 +172,7 @@ function ldap_isgroupmember($ldapconnection, $userid, $group_dns, $member_attrib
  * @param string $host_url
  * @param integer $ldap_version either 2 (LDAPv2) or 3 (LDAPv3).
  * @param string $user_type the configured user type for this connection.
- * @param string $bind_dn the binding user dn. If an emtpy string, anonymous binding is used.
+ * @param string $bind_dn the binding user dn. If an empty string, anonymous binding is used.
  * @param string $bind_pw the password for the binding user. Ignored for anonymous bindings.
  * @param boolean $opt_deref whether to set LDAP_OPT_DEREF on this connection or not.
  * @param string &$debuginfo the debugging information in case the connection fails.
diff --git a/pix/i/emtpy.png b/pix/i/emtpy.png
deleted file mode 100644
index 96729e159b..0000000000
Binary files a/pix/i/emtpy.png and /dev/null differ
diff --git a/pix/i/emtpy.svg b/pix/i/emtpy.svg
deleted file mode 100644
index a16fb7460b..0000000000
--- a/pix/i/emtpy.svg
+++ /dev/null
@@ -1,3 +0,0 @@
-<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd" [
-	<!ENTITY ns_flows "http://ns.adobe.com/Flows/1.0/">
-]><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 16 16" preserveAspectRatio="xMinYMid meet" overflow="visible"></svg>
\ No newline at end of file