diff --git a/enrol/authorize/lang/en/enrol_authorize.php b/enrol/authorize/lang/en/enrol_authorize.php
index edd077c06899a..c24a38e606a85 100644
--- a/enrol/authorize/lang/en/enrol_authorize.php
+++ b/enrol/authorize/lang/en/enrol_authorize.php
@@ -197,7 +197,7 @@
 
 {$a->url}';
 $string['pendingorderssubject'] = 'WARNING: {$a->course}, {$a->pending} order(s) will expire within {$a->days} day(s).';
-$string['pluginname'] = 'Authorize.net';
+$string['pluginname'] = 'Authorize.Net';
 $string['reason11'] = 'A duplicate transaction has been submitted.';
 $string['reason13'] = 'The merchant Login ID is invalid or the account is inactive.';
 $string['reason16'] = 'The transaction was not found.';
@@ -254,14 +254,13 @@
  {$a->profileurl}';
 $string['youcantdo'] = 'You can\'t do this action: {$a->action}';
 $string['zipcode'] = 'Zip Code';
-$string['pluginname'] = 'Authorize';
 $string['cost'] = 'Cost';
 $string['currency'] = 'Currency';
 $string['enrolperiod'] = 'Enrolment period';
 $string['enrolstartdate'] = 'Start date';
 $string['enrolenddate'] = 'End date';
 $string['enrolenddaterror'] = 'Enrolment end date cannot be earlier than start date';
-$string['status'] = 'Allow Autorize.net enrolments';
+$string['status'] = 'Allow Autorize.Net enrolments';
 $string['nocost'] = 'There is no cost associated with enrolling in this course via Authorize.Net!';
 $string['firstnameoncard'] = 'Firstname on card';
 $string['lastnameoncard'] = 'Lastname on card';
diff --git a/lang/en/edufields.php b/lang/en/edufields.php
index fcafae7891acc..ed6da26baa506 100644
--- a/lang/en/edufields.php
+++ b/lang/en/edufields.php
@@ -107,7 +107,6 @@
 $string['field1030305']='Materials Engineering';
 $string['field1030307']='Food Processing Technology';
 $string['field1030399']='Process and Resources Engineering (Other)';
-$string['field1030399']='Process and Resources Engineering (Other)';
 $string['field10305']='Automotive Engineering and Technology';
 $string['field1030501']='Automotive Engineering';
 $string['field1030503']='Vehicle Mechanics';
diff --git a/lang/en/grades.php b/lang/en/grades.php
index 4ab4aa0eac11a..4a177dee0fde8 100644
--- a/lang/en/grades.php
+++ b/lang/en/grades.php
@@ -555,7 +555,6 @@
 $string['showcalculations_help'] = 'If enabled, when editing is turned on, a calculator icon is shown for each grade item and category, with tool tips over calculated items and a visual indicator that a column is calculated.';
 $string['showeyecons'] = 'Show show/hide icons';
 $string['showeyecons_help'] = 'If enabled, when editing is turned on, a show/hide icon is shown for each grade for controlling its visibility to the student.';
-$string['showfeedback'] = 'Show feedback';
 $string['showgroups'] = 'Show groups';
 $string['showhiddenitems'] = 'Show hidden items';
 $string['showhiddenitems_help'] = 'Whether hidden grade items are hidden entirely or if the names of hidden grade items are visible to students.
diff --git a/lang/en/hub.php b/lang/en/hub.php
index 807c1f1c90ddf..016a815826af9 100644
--- a/lang/en/hub.php
+++ b/lang/en/hub.php
@@ -105,7 +105,6 @@
 $string['forceunregisterconfirmation'] = 'Your site cannot reach {$a}. This hub could be temporarily down. Unless you are sure you want to continue to remove registration locally, please cancel and try again later.';
 $string['geolocation'] = 'Geolocation';
 $string['geolocation_help'] = 'In future we may provide location-based searching. If you want to specify the location for your course use a latitude/longitude value here (eg: -31.947884,115.871285).  One way to find this is to use Google Maps.';
-$string['siteemail'] = 'Email address';
 $string['hub'] = 'Hub';
 $string['imageurl'] = 'Image URL';
 $string['imageurl_help'] = 'This image will be displayed on the hub. This image must be available from the hub at any moment. The image should have a maximum size of {$a->width} X {$a->height}';
@@ -241,7 +240,6 @@
 $string['status'] = 'Hub listing';
 $string['statuspublished'] = 'Listed';
 $string['statusunpublished'] = 'Not listed';
-$string['subject'] = 'Subject';
 $string['tags'] = 'Tags';
 $string['tags_help'] = 'Tags help to further categorise your course and help it to be found. Please use simple, meaningful words and separate them with a comma. Example: math, algebra, geometry';
 $string['trustme'] = 'Trust';
diff --git a/mod/feedback/lang/en/feedback.php b/mod/feedback/lang/en/feedback.php
index 105160a513869..b4cd5454dc582 100644
--- a/mod/feedback/lang/en/feedback.php
+++ b/mod/feedback/lang/en/feedback.php
@@ -150,7 +150,6 @@
 $string['items_are_required'] = 'Answers are required to starred questions.';
 $string['label'] = 'Label';
 $string['line_values'] = 'Rating';
-$string['mapcourse'] = 'Map course';
 $string['mapcourseinfo'] = 'This is a site-wide feedback that is available to all courses using the feedback block. You can however limit the courses to which it will appear by mapping them. Search the course and map it to this feedback.';
 $string['mapcoursenone'] = 'No courses mapped. Feedback available to all courses';
 $string['mapcourse'] = 'Map feedback to courses';
diff --git a/mod/resource/lang/en/resource.php b/mod/resource/lang/en/resource.php
index 15e0ec50b2baa..125bb289eff8d 100644
--- a/mod/resource/lang/en/resource.php
+++ b/mod/resource/lang/en/resource.php
@@ -82,6 +82,5 @@
 $string['printintroexplain'] = 'Display resource description bellow content? Some display types may not display description even if enabled.';
 $string['resourcecontent'] = 'Files and subfolders';
 $string['resource:exportresource'] = 'Export resource';
-$string['resource:view'] = 'View resource files';
 $string['resource:view'] = 'View resource';
 $string['selectmainfile'] = 'Please select the main file by clicking the icon next to file name.';
diff --git a/mod/wiki/lang/en/wiki.php b/mod/wiki/lang/en/wiki.php
index f9a819c9f559d..5a2069cae2b49 100644
--- a/mod/wiki/lang/en/wiki.php
+++ b/mod/wiki/lang/en/wiki.php
@@ -51,7 +51,6 @@
 $string['editing'] = 'Editing wiki page';
 $string['editingcomment'] = 'Editing comment';
 $string['editingpage'] = 'Editing this page \'{$a}\'';
-$string['editblocks'] = 'Turn edit blocks on';
 $string['filenotuploadederror'] = 'File \'{$a}\' could not be uploaded correctly.';
 $string['filtername'] = 'Wiki auto-linking';
 $string['firstpagetitle'] = 'First page name';
diff --git a/theme/splash/lang/en/theme_splash.php b/theme/splash/lang/en/theme_splash.php
index 26da20b4b9c2e..d64172f73cef8 100644
--- a/theme/splash/lang/en/theme_splash.php
+++ b/theme/splash/lang/en/theme_splash.php
@@ -24,7 +24,8 @@
  */
 
 
-$string['choosereadme'] = '<div class="clearfix"><div class="theme_screenshot"><h2>Splash</h2><img src="splash/pix/screenshot.jpg" /><h3>Theme Discussion Forum:</h3><p><a href="http://moodle.org/mod/forum/view.php?id=46">http://moodle.org/mod/forum/view.php?id=46</a></p><h3>Theme Credits</h3><p><a href="http://docs.moodle.org/en/Theme_credits">http://docs.moodle.org/en/Theme_credits</a></p><h3>Theme Documentation:</h3><p><a href="http://docs.moodle.org/en/Themes">http://docs.moodle.org/en/Themes</a></p><h3>Report a bug:</h3><p><a href="http://tracker.moodle.org">http://tracker.moodle.org</a></p></div><div class="theme_description"><h2>About</h2><p>Splash is a fluid-width, three-column theme for Moodle 2.0.<h2>Tweaks</h2><p>This theme is built upon both Base and Canvas, two parent themes included in the Moodle core. If you want to modify this theme, we recommend that you first duplicate it then rename it before making your changes. This will prevent your customized theme from being overwritten by future Moodle upgrades, and you\'ll still have the original files if you make a mess. More information on modifying themes can be found in the <a href="http://docs.moodle.org/en/Theme">MoodleDocs</a>.</p><h2>Credits</h2>	<p>This theme was coded and is maintained by Caroline Kennedy of Synergy Learning. She can be contacted by email at caroline.kennedy@synergy-learningw.com. </p><h2>License</h2><p>This, and all other themes included in the Moodle core, are licensed under the <a href="http://www.gnu.org/licenses/gpl.html">GNU General Public License</a>.</div></div>';$string['configtitle'] = 'Splash Theme Settings';
+$string['choosereadme'] = '<div class="clearfix"><div class="theme_screenshot"><h2>Splash</h2><img src="splash/pix/screenshot.jpg" /><h3>Theme Discussion Forum:</h3><p><a href="http://moodle.org/mod/forum/view.php?id=46">http://moodle.org/mod/forum/view.php?id=46</a></p><h3>Theme Credits</h3><p><a href="http://docs.moodle.org/en/Theme_credits">http://docs.moodle.org/en/Theme_credits</a></p><h3>Theme Documentation:</h3><p><a href="http://docs.moodle.org/en/Themes">http://docs.moodle.org/en/Themes</a></p><h3>Report a bug:</h3><p><a href="http://tracker.moodle.org">http://tracker.moodle.org</a></p></div><div class="theme_description"><h2>About</h2><p>Splash is a fluid-width, three-column theme for Moodle 2.0.<h2>Tweaks</h2><p>This theme is built upon both Base and Canvas, two parent themes included in the Moodle core. If you want to modify this theme, we recommend that you first duplicate it then rename it before making your changes. This will prevent your customized theme from being overwritten by future Moodle upgrades, and you\'ll still have the original files if you make a mess. More information on modifying themes can be found in the <a href="http://docs.moodle.org/en/Theme">MoodleDocs</a>.</p><h2>Credits</h2>	<p>This theme was coded and is maintained by Caroline Kennedy of Synergy Learning. She can be contacted by email at caroline.kennedy@synergy-learningw.com. </p><h2>License</h2><p>This, and all other themes included in the Moodle core, are licensed under the <a href="http://www.gnu.org/licenses/gpl.html">GNU General Public License</a>.</div></div>';
+$string['configtitle'] = 'Splash Theme Settings';
 $string['customcss'] = 'Custom CSS';
 $string['customcssdesc'] = 'Any CSS you enter here will be added to every page allowing your to easily customise this theme.';
 $string['defaulttagline'] = 'Virtual learning center';
@@ -32,7 +33,7 @@
 $string['footnotedesc'] = 'The content from this textarea will be displayed in the footer of every page. E.g: your copyright info.';
 $string['hide_tagline'] = 'Hide Tagline';
 $string['hide_taglinedesc'] = 'Check this box to hide the tagline under the logo.';
-$string['loginhere'] = "Login here!";
+$string['loginhere'] = 'Login here!';
 $string['logo'] = 'Logo';
 $string['logodesc'] = 'Enter the URL to an image to use as the logo for this site. E.g: http://www.yoursite.com/path/to/logo.png. The logo should be max 230px wide.';
 $string['pluginname'] = 'Splash';
@@ -41,4 +42,4 @@
 $string['tagline'] = 'Tagline';
 $string['taglinedesc'] = 'The content from this textarea will be displayed under the Site logo on the Homepage';
 $string['usergreeting'] = 'Hi {$a}!';
-$string['welcome'] = 'Welcome, {$a}';
\ No newline at end of file
+$string['welcome'] = 'Welcome, {$a}';