diff --git a/lang/en/deprecated.txt b/lang/en/deprecated.txt
index c7b255937e6..06ce696e416 100644
--- a/lang/en/deprecated.txt
+++ b/lang/en/deprecated.txt
@@ -5,24 +5,8 @@ myfilesmanage,core
 mypreferences,core_grades
 myprofile,core
 viewallmyentries,core_blog
-taggedwith,core_tag
-officialtag,core_tag
-otags,core_tag
-othertags,core_tag
-tagtype,core_tag
-manageofficialtags,core_tag
-settypeofficial,core_tag
-filetoolarge,core
-maxbytesforfile,core
 modchooserenable,core
 modchooserdisable,core
-maxbytes,core_error
-downloadcsv,core_table
-downloadexcel,core_table
-downloadods,core_table
-downloadoptions,core_table
-downloadtsv,core_table
-downloadxhtml,core_table
 invalidpersistent,core_competency
 revealpassword,core_form
 mediasettings,core_media
diff --git a/lang/en/error.php b/lang/en/error.php
index 55786b47df4..492de6fd62f 100644
--- a/lang/en/error.php
+++ b/lang/en/error.php
@@ -593,5 +593,3 @@ $string['alreadyloggedin'] = 'You are already logged in as {$a}, you need to log
 $string['youcannotdeletecategory'] = 'You cannot delete category \'{$a}\' because you can neither delete the contents, nor move them elsewhere.';
 $string['protected_cc_not_supported'] = 'Protected cartridges not supported.';
 
-// Deprecated since Moodle 3.1.
-$string['maxbytes'] = 'The file is larger than the maximum size allowed.';
diff --git a/lang/en/moodle.php b/lang/en/moodle.php
index 7df89eb5cc3..80b20b6611e 100644
--- a/lang/en/moodle.php
+++ b/lang/en/moodle.php
@@ -2150,10 +2150,6 @@ $string['yourwordforx'] = 'Your word for \'{$a}\'';
 $string['zippingbackup'] = 'Zipping backup';
 $string['deprecatedeventname'] = '{$a} (no longer in use)';
 
-// Deprecated since Moodle 3.1.
-$string['filetoolarge'] = 'is too large to upload';
-$string['maxbytesforfile'] = 'The file {$a} is larger than the maximum size allowed.';
-
 // Deprecated since Moodle 3.2.
 $string['modchooserenable'] = 'Activity chooser on';
 $string['modchooserdisable'] = 'Activity chooser off';
diff --git a/lang/en/table.php b/lang/en/table.php
index 8ab01a3e29e..78020e0b15e 100644
--- a/lang/en/table.php
+++ b/lang/en/table.php
@@ -24,10 +24,3 @@
 
 $string['downloadas'] = 'Download table data as';
 
-// Deprecated since Moodle 3.1.
-$string['downloadcsv'] = 'Comma separated values text file';
-$string['downloadexcel'] = 'Excel spreadsheet';
-$string['downloadods'] = 'OpenDocument spreadsheet';
-$string['downloadoptions'] = 'Select download options';
-$string['downloadtsv'] = 'Tab separated values text file';
-$string['downloadxhtml'] = 'Unpaged XHTML document';
diff --git a/lang/en/tag.php b/lang/en/tag.php
index 83d3b5f7ee0..fea1031a671 100644
--- a/lang/en/tag.php
+++ b/lang/en/tag.php
@@ -148,12 +148,3 @@ $string['page-tag-index'] = 'Single tag page';
 $string['page-tag-search'] = 'Tag search page';
 $string['page-tag-manage'] = 'Manage tags page';
 
-// Deprecated since 3.1 .
-
-$string['manageofficialtags'] = 'Manage official tags';
-$string['officialtag'] = 'Official';
-$string['otags'] = 'Official tags';
-$string['othertags'] = 'Other tags';
-$string['settypeofficial'] = 'Make official';
-$string['taggedwith'] = 'tagged with "{$a}"';
-$string['tagtype'] = 'Tag type';
diff --git a/mod/feedback/lang/en/deprecated.txt b/mod/feedback/lang/en/deprecated.txt
index 176f3040936..fe76fa7af92 100644
--- a/mod/feedback/lang/en/deprecated.txt
+++ b/mod/feedback/lang/en/deprecated.txt
@@ -1,28 +1,2 @@
-cancel_moving,mod_feedback
-cannotunmap,mod_feedback
-cannotmapfeedback,mod_feedback
-line_values,mod_feedback
-mapcourses_help,mod_feedback
-max_args_exceeded,mod_feedback
-movedown_item,mod_feedback
-move_here,mod_feedback
-moveup_item,mod_feedback
-notavailable,mod_feedback
-parameters_missing,mod_feedback
-picture,mod_feedback
-picture_file_list,mod_feedback
-picture_values,mod_feedback
-preview,mod_feedback
-preview_help,mod_feedback
-radiorated,mod_feedback
-radiobutton,mod_feedback
-radiobutton_rated,mod_feedback
-relateditemsdeleted,mod_feedback
-separator_decimal,mod_feedback
-separator_thousand,mod_feedback
-saving_failed_because_missing_or_false_values,mod_feedback
 start,mod_feedback
-stop,mod_feedback
-switch_group,mod_feedback
-viewcompleted,mod_feedback
-viewcompleted_help,mod_feedback
+stop,mod_feedback
\ No newline at end of file
diff --git a/mod/feedback/lang/en/feedback.php b/mod/feedback/lang/en/feedback.php
index 73eb880f931..a0ee5f114ea 100644
--- a/mod/feedback/lang/en/feedback.php
+++ b/mod/feedback/lang/en/feedback.php
@@ -275,35 +275,6 @@ $string['use_one_line_for_each_value'] = 'Use one line for each answer!';
 $string['use_this_template'] = 'Use this template';
 $string['using_templates'] = 'Use a template';
 $string['vertical'] = 'vertical';
-// Deprecated since Moodle 3.1.
-$string['cannotmapfeedback'] = 'Database problem, unable to map feedback to course';
-$string['line_values'] = 'Rating';
-$string['mapcourses_help'] = 'Once you have selected the relevant course(s) from your search,
-you can associate them with this feedback using map course(s). Multiple courses may be selected by holding down the Apple or Ctrl key whilst clicking on the course names. A course may be disassociated from a feedback at any time.';
-$string['max_args_exceeded'] = 'Max 6 arguments can be handled, too many arguments for';
-$string['cancel_moving'] = 'Cancel moving';
-$string['movedown_item'] = 'Move this question down';
-$string['move_here'] = 'Move here';
-$string['moveup_item'] = 'Move this question up';
-$string['notavailable'] = 'this feedback is not available';
-$string['saving_failed_because_missing_or_false_values'] = 'Saving failed because missing or false values';
-$string['cannotunmap'] = 'Database problem, unable to unmap';
-$string['viewcompleted'] = 'completed feedbacks';
-$string['viewcompleted_help'] = 'You may view completed feedback forms, searchable by course and/or by question.
-Feedback responses may be exported to Excel.';
-$string['parameters_missing'] = 'Parameters missing from';
-$string['picture'] = 'Picture';
-$string['picture_file_list'] = 'List of pictures';
-$string['picture_values'] = 'Choose one or more<br />picture files from the list:';
-$string['preview'] = 'Preview';
-$string['preview_help'] = 'In the preview you can change the order of questions.';
-$string['switch_group'] = 'Switch group';
-$string['separator_decimal'] = '.';
-$string['separator_thousand'] = ',';
-$string['relateditemsdeleted'] = 'All responses for this question will also be deleted.';
-$string['radiorated'] = 'Radiobutton (rated)';
-$string['radiobutton'] = 'Multiple choice - single answer allowed (radio buttons)';
-$string['radiobutton_rated'] = 'Radiobutton (rated)';
 // Deprecated since Moodle 3.2.
 $string['start'] = 'Start';
 $string['stop'] = 'End';
diff --git a/mod/forum/lang/en/deprecated.txt b/mod/forum/lang/en/deprecated.txt
deleted file mode 100644
index caf084cb798..00000000000
--- a/mod/forum/lang/en/deprecated.txt
+++ /dev/null
@@ -1,6 +0,0 @@
-postmailinfo,mod_forum
-emaildigestupdated,mod_forum
-emaildigestupdated_default,mod_forum
-emaildigest_0,mod_forum
-emaildigest_1,mod_forum
-emaildigest_2,mod_forum
diff --git a/mod/forum/lang/en/forum.php b/mod/forum/lang/en/forum.php
index 9ee8be19bb8..abb841078e6 100644
--- a/mod/forum/lang/en/forum.php
+++ b/mod/forum/lang/en/forum.php
@@ -555,13 +555,3 @@ $string['warnformorepost'] = 'Warning! There is more than one discussion in this
 $string['yournewquestion'] = 'Your new question';
 $string['yournewtopic'] = 'Your new discussion topic';
 $string['yourreply'] = 'Your reply';
-
-// Deprecated since Moodle 3.1.
-$string['postmailinfo'] = 'This is a copy of a message posted on the {$a} website.
-
-To reply click on this link:';
-$string['emaildigestupdated'] = 'The e-mail digest option was changed to \'{$a->maildigesttitle}\' for the forum \'{$a->forum}\'. {$a->maildigestdescription}';
-$string['emaildigestupdated_default'] = 'Your default profile setting of \'{$a->maildigesttitle}\' was used for the forum \'{$a->forum}\'. {$a->maildigestdescription}.';
-$string['emaildigest_0'] = 'You will receive one e-mail per forum post.';
-$string['emaildigest_1'] = 'You will receive one digest e-mail per day containing the complete contents of each forum post.';
-$string['emaildigest_2'] = 'You will receive one digest e-mail per day containing the subject of each forum post.';
diff --git a/mod/lesson/lang/en/deprecated.txt b/mod/lesson/lang/en/deprecated.txt
deleted file mode 100644
index 7521da8cb82..00000000000
--- a/mod/lesson/lang/en/deprecated.txt
+++ /dev/null
@@ -1 +0,0 @@
-configactionaftercorrectanswer,mod_lesson
\ No newline at end of file
diff --git a/mod/lesson/lang/en/lesson.php b/mod/lesson/lang/en/lesson.php
index a5cd95ff28e..52cf7865209 100644
--- a/mod/lesson/lang/en/lesson.php
+++ b/mod/lesson/lang/en/lesson.php
@@ -547,5 +547,3 @@ $string['yourcurrentgradeis'] = 'Your current grade is {$a}';
 $string['yourcurrentgradeisoutof'] = 'Your current grade is {$a->grade} out of {$a->total}';
 $string['youshouldview'] = 'You should answer at least: {$a}';
 
-// Deprecated since Moodle 3.1.
-$string['configactionaftercorrectanswer'] = 'The default action to take after a correct answer';
diff --git a/mod/workshop/form/accumulative/lang/en/deprecated.txt b/mod/workshop/form/accumulative/lang/en/deprecated.txt
deleted file mode 100644
index a7d55aacead..00000000000
--- a/mod/workshop/form/accumulative/lang/en/deprecated.txt
+++ /dev/null
@@ -1,2 +0,0 @@
-dimensioncomment,workshopform_accumulative
-dimensiongrade,workshopform_accumulative
diff --git a/mod/workshop/form/accumulative/lang/en/workshopform_accumulative.php b/mod/workshop/form/accumulative/lang/en/workshopform_accumulative.php
index 31ab57f4314..43567c4c3d5 100644
--- a/mod/workshop/form/accumulative/lang/en/workshopform_accumulative.php
+++ b/mod/workshop/form/accumulative/lang/en/workshopform_accumulative.php
@@ -48,6 +48,3 @@ $string['scalename5'] = 'Excellent/Very poor (5 point)';
 $string['scalename6'] = 'Excellent/Very poor (7 point)';
 $string['verypoor'] = 'Very poor';
 
-// Deprecated since Moodle 3.1.
-$string['dimensioncomment'] = 'Comment';
-$string['dimensiongrade'] = 'Grade';
diff --git a/mod/workshop/form/comments/lang/en/deprecated.txt b/mod/workshop/form/comments/lang/en/deprecated.txt
deleted file mode 100644
index a680205c2fa..00000000000
--- a/mod/workshop/form/comments/lang/en/deprecated.txt
+++ /dev/null
@@ -1 +0,0 @@
-dimensioncomment,workshopform_comments
diff --git a/mod/workshop/form/comments/lang/en/workshopform_comments.php b/mod/workshop/form/comments/lang/en/workshopform_comments.php
index fb11fbe7dc9..7677acd4779 100644
--- a/mod/workshop/form/comments/lang/en/workshopform_comments.php
+++ b/mod/workshop/form/comments/lang/en/workshopform_comments.php
@@ -29,5 +29,3 @@ $string['dimensiondescription'] = 'Description';
 $string['dimensionnumber'] = 'Aspect {$a}';
 $string['pluginname'] = 'Comments';
 
-// Deprecated since Moodle 3.1.
-$string['dimensioncomment'] = 'Comment';
diff --git a/mod/workshop/form/numerrors/lang/en/deprecated.txt b/mod/workshop/form/numerrors/lang/en/deprecated.txt
deleted file mode 100644
index c0783090c81..00000000000
--- a/mod/workshop/form/numerrors/lang/en/deprecated.txt
+++ /dev/null
@@ -1 +0,0 @@
-dimensioncomment,workshopform_numerrors
diff --git a/mod/workshop/form/numerrors/lang/en/workshopform_numerrors.php b/mod/workshop/form/numerrors/lang/en/workshopform_numerrors.php
index 55fd5349852..307cfed9d87 100644
--- a/mod/workshop/form/numerrors/lang/en/workshopform_numerrors.php
+++ b/mod/workshop/form/numerrors/lang/en/workshopform_numerrors.php
@@ -41,5 +41,3 @@ $string['mapgrade'] = 'Grade for submission';
 $string['percents'] = '{$a} %';
 $string['pluginname'] = 'Number of errors';
 
-// Deprecated since Moodle 3.1.
-$string['dimensioncomment'] = 'Comment';
diff --git a/mod/workshop/lang/en/deprecated.txt b/mod/workshop/lang/en/deprecated.txt
index dc549a1c974..0be98a295c5 100644
--- a/mod/workshop/lang/en/deprecated.txt
+++ b/mod/workshop/lang/en/deprecated.txt
@@ -1,3 +1,2 @@
 err_unknownfileextension,mod_workshop
 err_wrongfileextension,mod_workshop
-yourassessment,mod_workshop
diff --git a/mod/workshop/lang/en/workshop.php b/mod/workshop/lang/en/workshop.php
index b09bb2a65d0..a7b383f3877 100644
--- a/mod/workshop/lang/en/workshop.php
+++ b/mod/workshop/lang/en/workshop.php
@@ -371,9 +371,6 @@ $string['yourassessmentfor'] = 'Your assessment for {$a}';
 $string['yourgrades'] = 'Your grades';
 $string['yoursubmission'] = 'Your submission';
 
-// Deprecated since Moodle 3.1.
-$string['yourassessment'] = 'Your assessment';
-
 // Deprecated since Moodle 3.4.
 $string['err_unknownfileextension'] = 'Unknown file extension: {$a}';
 $string['err_wrongfileextension'] = 'Some files ({$a->wrongfiles}) cannot be uploaded. Only file types {$a->whitelist} are allowed.';