diff --git a/cms/static/js/spec/views/pages/course_outline_spec.js b/cms/static/js/spec/views/pages/course_outline_spec.js
index 1c3a3000d088..327e5ec21d0b 100644
--- a/cms/static/js/spec/views/pages/course_outline_spec.js
+++ b/cms/static/js/spec/views/pages/course_outline_spec.js
@@ -2291,13 +2291,6 @@ describe('CourseOutlinePage', function() {
             it('shows validation error on relative date', function() {
                 outlinePage.$('.outline-subsection .configure-button').click();
 
-                // when due number of weeks goes over 18
-                selectRelativeWeeksSubsection('19');
-                expect($('#relative_weeks_due_warning_max').css('display')).not.toBe('none');
-                expect($('#relative_weeks_due_warning_max')).toContainText('The maximum number of weeks this subsection can be due in is 18 weeks from the learner enrollment date.');
-                expect($('.wrapper-modal-window .action-save').prop('disabled')).toBe(true);
-                expect($('.wrapper-modal-window .action-save').hasClass('is-disabled')).toBe(true);
-
                 // when due number of weeks is less than 1
                 selectRelativeWeeksSubsection('-1');
                 expect($('#relative_weeks_due_warning_min').css('display')).not.toBe('none');
@@ -2306,8 +2299,7 @@ describe('CourseOutlinePage', function() {
                 expect($('.wrapper-modal-window .action-save').hasClass('is-disabled')).toBe(true);
 
                 // when no validation error should show up
-                selectRelativeWeeksSubsection('10');
-                expect($('#relative_weeks_due_warning_max').css('display')).toBe('none');
+                selectRelativeWeeksSubsection('19');
                 expect($('#relative_weeks_due_warning_min').css('display')).toBe('none');
                 expect($('.wrapper-modal-window .action-save').prop('disabled')).toBe(false);
                 expect($('.wrapper-modal-window .action-save').hasClass('is-disabled')).toBe(false);
diff --git a/cms/static/js/views/modals/course_outline_modals.js b/cms/static/js/views/modals/course_outline_modals.js
index fa8c3239dc2e..aefb13d286ec 100644
--- a/cms/static/js/views/modals/course_outline_modals.js
+++ b/cms/static/js/views/modals/course_outline_modals.js
@@ -420,14 +420,10 @@ define(['jquery', 'backbone', 'underscore', 'gettext', 'js/views/baseview',
 
         validateDueIn: function() {
             this.$('#relative_weeks_due_projected').hide();
-            if (this.getValue() > 18){
-                this.$('#relative_weeks_due_warning_max').show();
-                BaseModal.prototype.disableActionButton.call(this.parent, 'save');
-            } else if (this.getValue() < 1){
-                this.$('#relative_weeks_due_warning_min').show()
+            if (this.getValue() < 1) {
+                this.$('#relative_weeks_due_warning_min').show();
                 BaseModal.prototype.disableActionButton.call(this.parent, 'save');
             } else {
-                this.$('#relative_weeks_due_warning_max').hide();
                 this.$('#relative_weeks_due_warning_min').hide();
                 this.showProjectedDate();
                 BaseModal.prototype.enableActionButton.call(this.parent, 'save');
@@ -452,7 +448,7 @@ define(['jquery', 'backbone', 'underscore', 'gettext', 'js/views/baseview',
             // Grab all the subsections, map them to their block_ids, then return as an Array
             var subsectionIds = $('.outline-subsection').map(function(){ return this.id; }).get()
             var relative_weeks_due = null;
-            if (this.getValue() < 19 && this.getValue() > 0 && $('#grading_type').val() !== 'notgraded') {
+            if (this.getValue() > 0 && $('#grading_type').val() !== 'notgraded') {
                 relative_weeks_due = this.getValue()
             }
             window.analytics.track('edx.bi.studio.relative_date.saved', {
diff --git a/cms/templates/js/self-paced-due-date-editor.underscore b/cms/templates/js/self-paced-due-date-editor.underscore
index ceaf5e6873ce..086471aa4ba6 100644
--- a/cms/templates/js/self-paced-due-date-editor.underscore
+++ b/cms/templates/js/self-paced-due-date-editor.underscore
@@ -4,7 +4,7 @@
             <!-- Translators: Please use a generic pluralization that makes sense in most contexts for the second half of the sentence "weeks from learner enrollment date" which is preceded by "Due in: [input entry]" -->
             <label for="due_in"><%- gettext('Due in:') %></label>
             <input type="number" id="due_in" name="due_in" value=""
-                placeholder="" autocomplete="off" min="1" max="18" style="width:20%"/>
+                placeholder="" autocomplete="off" min="1" style="width:20%"/>
             <%- gettext('weeks from learner enrollment date')%>
         </li>
     </ul>
@@ -19,10 +19,6 @@
         %>
     </div>
 
-    <div id="relative_weeks_due_warning_max" class="message-status error">
-        <%- gettext('The maximum number of weeks this subsection can be due in is 18 weeks from the learner enrollment date.') %>
-    </div>
-
     <div id="relative_weeks_due_warning_min" class="message-status error">
         <%- gettext('The minimum number of weeks this subsection can be due in is 1 week from the learner enrollment date.') %>
     </div>