diff --git a/ghost/admin/app/controllers/editor.js b/ghost/admin/app/controllers/editor.js
index 1bca60e262..d1bd459feb 100644
--- a/ghost/admin/app/controllers/editor.js
+++ b/ghost/admin/app/controllers/editor.js
@@ -3,7 +3,6 @@ import PostModel from 'ghost-admin/models/post';
 import boundOneWay from 'ghost-admin/utils/bound-one-way';
 import config from 'ghost-admin/config/environment';
 import isNumber from 'ghost-admin/utils/isNumber';
-import {BLANK_MARKDOWN} from 'ghost-admin/models/post';
 import {alias, mapBy, reads} from '@ember/object/computed';
 import {computed} from '@ember/object';
 import {inject as controller} from '@ember/controller';
@@ -100,7 +99,6 @@ export default Controller.extend({
     showDeletePostModal: false,
     showLeaveEditorModal: false,
     showReAuthenticateModal: false,
-    useKoenig: false,
 
     // koenig related properties
     wordcount: null,
@@ -131,14 +129,6 @@ export default Controller.extend({
 
     _tagNames: mapBy('post.tags', 'name'),
 
-    markdown: computed('post.mobiledoc', function () {
-        if (this.get('post').isCompatibleWithMarkdownEditor()) {
-            let mobiledoc = this.get('post.mobiledoc');
-            let markdown = mobiledoc.cards[0][1].markdown;
-            return markdown;
-        }
-    }),
-
     hasDirtyAttributes: computed(...watchedProps, {
         get() {
             return this._hasDirtyAttributes();
@@ -170,15 +160,6 @@ export default Controller.extend({
             // force save at 60 seconds
             this.get('_timedSave').perform();
         },
-
-        // TODO: Only used by the markdown editor, ensure it's removed when
-        // we switch to Koenig
-        updateMarkdown(markdown) {
-            let mobiledoc = copy(BLANK_MARKDOWN, true);
-            mobiledoc.cards[0][1].markdown = markdown;
-            this.send('updateScratch', mobiledoc);
-        },
-
         updateTitleScratch(title) {
             this.set('post.titleScratch', title);
         },
@@ -526,16 +507,6 @@ export default Controller.extend({
 
     // called by the new/edit routes to change the post model
     setPost(post) {
-        // switch between markdown/koenig depending on feature flag and post
-        // compatibility
-        let koenigEnabled = this.get('feature.koenigEditor');
-        let postIsMarkdownCompatible = post.isCompatibleWithMarkdownEditor();
-        if (koenigEnabled || !postIsMarkdownCompatible) {
-            this.set('useKoenig', true);
-        } else {
-            this.set('useKoenig', false);
-        }
-
         // don't do anything else if we're setting the same post
         if (post === this.get('post')) {
             // set autofocus as change signal to the persistent editor on new->edit
@@ -548,12 +519,6 @@ export default Controller.extend({
 
         this.set('post', post);
 
-        // display an info message if Koenig is disabled by we had to use it
-        // for post compatibility
-        if (!koenigEnabled && this.useKoenig) {
-            // this.set('infoMessage', 'This post can only be edited with the Koenig editor.');
-        }
-
         // autofocus the editor if we have a new post
         this.set('shouldFocusEditor', post.get('isNew'));
 
diff --git a/ghost/admin/app/models/post.js b/ghost/admin/app/models/post.js
index d24ac4a2a9..50f3b9b94a 100644
--- a/ghost/admin/app/models/post.js
+++ b/ghost/admin/app/models/post.js
@@ -4,11 +4,9 @@ import ValidationEngine from 'ghost-admin/mixins/validation-engine';
 import attr from 'ember-data/attr';
 import boundOneWay from 'ghost-admin/utils/bound-one-way';
 import moment from 'moment';
-import {BLANK_DOC as BLANK_MOBILEDOC} from 'koenig-editor/components/koenig-editor';
 import {belongsTo, hasMany} from 'ember-data/relationships';
 import {compare} from '@ember/utils';
 import {computed, observer} from '@ember/object';
-import {copy} from '@ember/object/internals';
 import {equal, filterBy} from '@ember/object/computed';
 import {isBlank} from '@ember/utils';
 import {inject as service} from '@ember/service';
@@ -16,21 +14,6 @@ import {inject as service} from '@ember/service';
 // ember-cli-shims doesn't export these so we must get them manually
 const {Comparable} = Ember;
 
-// for our markdown-only editor we need to build a blank mobiledoc
-const MOBILEDOC_VERSION = '0.3.1';
-export const BLANK_MARKDOWN = {
-    version: MOBILEDOC_VERSION,
-    markups: [],
-    atoms: [],
-    cards: [
-        ['card-markdown', {
-            cardName: 'card-markdown',
-            markdown: ''
-        }]
-    ],
-    sections: [[10, 0]]
-};
-
 function statusCompare(postA, postB) {
     let status1 = postA.get('status');
     let status2 = postB.get('status');
@@ -135,30 +118,6 @@ export default Model.extend(Comparable, ValidationEngine, {
         return this.get('authors.firstObject');
     }),
 
-    init() {
-        // HACK: we can't use the defaultValue property on the mobiledoc attr
-        // because it won't have access to `this` for the feature check so we do
-        // it manually here instead
-        if (!this.get('mobiledoc')) {
-            let defaultValue;
-
-            if (this.get('feature.koenigEditor')) {
-                defaultValue = copy(BLANK_MOBILEDOC, true);
-            } else {
-                defaultValue = copy(BLANK_MARKDOWN, true);
-            }
-
-            // using this.set() adds the property to the changedAttributes list
-            // which means the editor always sees new posts as dirty. By setting
-            // the internal model data property first it's not seen as having
-            // changed so the changedAttributes key is removed
-            this._internalModel._data.mobiledoc = defaultValue;
-            this.set('mobiledoc', defaultValue);
-        }
-
-        this._super(...arguments);
-    },
-
     scratch: null,
     titleScratch: null,
 
@@ -360,25 +319,5 @@ export default Model.extend(Comparable, ValidationEngine, {
         let publishedAtBlogTZ = this.get('publishedAtBlogTZ');
         let publishedAtUTC = publishedAtBlogTZ ? publishedAtBlogTZ.utc() : null;
         this.set('publishedAtUTC', publishedAtUTC);
-    },
-
-    // the markdown editor expects a very specific mobiledoc format, if it
-    // doesn't match then we'll need to handle it by forcing Koenig
-    isCompatibleWithMarkdownEditor() {
-        let mobiledoc = this.get('mobiledoc');
-
-        if (mobiledoc
-            && mobiledoc.markups.length === 0
-            && mobiledoc.cards.length === 1
-            && mobiledoc.cards[0][0] === 'card-markdown'
-            && mobiledoc.sections.length === 1
-            && mobiledoc.sections[0].length === 2
-            && mobiledoc.sections[0][0] === 10
-            && mobiledoc.sections[0][1] === 0
-        ) {
-            return true;
-        }
-
-        return false;
     }
 });
diff --git a/ghost/admin/app/routes/editor.js b/ghost/admin/app/routes/editor.js
index f5aec1e426..20312d7f4d 100644
--- a/ghost/admin/app/routes/editor.js
+++ b/ghost/admin/app/routes/editor.js
@@ -21,39 +21,26 @@ export default AuthenticatedRoute.extend(ShortcutsRoute, {
 
     activate() {
         this._super(...arguments);
-        if (this.feature.koenigEditor) {
-            this.ui.set('isFullScreen', true);
-        }
+        this.ui.set('isFullScreen', true);
     },
 
     setupController() {
         this._super(...arguments);
 
-        // display a warning if we detect an unsupported browser
-        if (this.feature.koenigEditor) {
-            // IE is definitely not supported and will not work at all in Ghost 2.0
-            if (this.userAgent.browser.isIE) {
-                this.notifications.showAlert(
-                    htmlSafe('Internet Explorer is not supported in Koenig and will no longer work in Ghost 2.0. Please switch to <a href="https://ghost.org/downloads/" target="_blank" rel="noopener">Ghost Desktop</a> or a recent version of Chrome/Firefox/Safari.'),
-                    {type: 'info', key: 'koenig.browserSupport'}
-                );
-            }
+        // edge has known issues
+        if (this.userAgent.browser.isEdge) {
+            this.notifications.showAlert(
+                htmlSafe('Microsoft Edge is not currently supported in Koenig. Please switch to <a href="https://ghost.org/downloads/" target="_blank" rel="noopener">Ghost Desktop</a> or a recent version of Chrome/Firefox/Safari.'),
+                {type: 'info', key: 'koenig.browserSupport'}
+            );
+        }
 
-            // edge has known issues
-            if (this.userAgent.browser.isEdge) {
-                this.notifications.showAlert(
-                    htmlSafe('Microsoft Edge is not currently supported in Koenig. Please switch to <a href="https://ghost.org/downloads/" target="_blank" rel="noopener">Ghost Desktop</a> or a recent version of Chrome/Firefox/Safari.'),
-                    {type: 'info', key: 'koenig.browserSupport'}
-                );
-            }
-
-            // mobile browsers are not currently supported
-            if (this.userAgent.device.isMobile || this.userAgent.device.isTablet) {
-                this.notifications.showAlert(
-                    htmlSafe('Mobile editing is not currently supported in Koenig. Please use a desktop browser or <a href="https://ghost.org/downloads/" target="_blank" rel="noopener">Ghost Desktop</a>.'),
-                    {type: 'info', key: 'koenig.browserSupport'}
-                );
-            }
+        // mobile browsers are not currently supported
+        if (this.userAgent.device.isMobile || this.userAgent.device.isTablet) {
+            this.notifications.showAlert(
+                htmlSafe('Mobile editing is not currently supported in Koenig. Please use a desktop browser or <a href="https://ghost.org/downloads/" target="_blank" rel="noopener">Ghost Desktop</a>.'),
+                {type: 'info', key: 'koenig.browserSupport'}
+            );
         }
     },
 
diff --git a/ghost/admin/app/services/feature.js b/ghost/admin/app/services/feature.js
index f964f7c2be..fc3f8223a9 100644
--- a/ghost/admin/app/services/feature.js
+++ b/ghost/admin/app/services/feature.js
@@ -50,7 +50,6 @@ export default Service.extend({
     notifications: service(),
     lazyLoader: service(),
 
-    koenigEditor: feature('koenigEditor'),
     publicAPI: feature('publicAPI'),
     subscribers: feature('subscribers'),
     nightShift: feature('nightShift', {user: true, onChange: '_setAdminTheme'}),
diff --git a/ghost/admin/app/templates/components/gh-koenig-editor.hbs b/ghost/admin/app/templates/components/gh-koenig-editor.hbs
index d54b037538..a0906af0d7 100644
--- a/ghost/admin/app/templates/components/gh-koenig-editor.hbs
+++ b/ghost/admin/app/templates/components/gh-koenig-editor.hbs
@@ -14,6 +14,7 @@
         focus-out=(action "onTitleFocusOut")
         keyDown=(action "onTitleKeydown")
         didCreateTextarea=(action "onTitleCreated")
+        data-test-editor-title-input=true
     }}
 
     {{koenig-editor
diff --git a/ghost/admin/app/templates/editor.hbs b/ghost/admin/app/templates/editor.hbs
index ecd8f7a496..22a39d23b4 100644
--- a/ghost/admin/app/templates/editor.hbs
+++ b/ghost/admin/app/templates/editor.hbs
@@ -66,134 +66,33 @@
             </section>
         </header>
 
-        {{#if useKoenig}}
-            {{!--
-                gh-koenig-editor acts as a wrapper around the title input and
-                koenig editor canvas to support Ghost-specific editor behaviour
-            --}}
-            {{gh-koenig-editor
-                title=(readonly post.titleScratch)
-                titlePlaceholder="Story Title"
-                onTitleChange=(action "updateTitleScratch")
-                onTitleBlur=(action (perform saveTitle))
-                body=(readonly post.scratch)
-                bodyPlaceholder="Begin writing your story..."
-                bodyAutofocus=shouldFocusEditor
-                onBodyChange=(action "updateScratch")
-                headerOffset=editor.headerHeight
-                scrollContainerSelector=".gh-koenig-editor"
-                scrollOffsetTopSelector=".gh-editor-header-small"
-                scrollOffsetBottomSelector=".gh-mobile-nav-bar"
-                onEditorCreated=(action "setKoenigEditor")
-                onWordCountChange=(action "updateWordCount")
-            }}
+        {{!--
+            gh-koenig-editor acts as a wrapper around the title input and
+            koenig editor canvas to support Ghost-specific editor behaviour
+        --}}
+        {{gh-koenig-editor
+            title=(readonly post.titleScratch)
+            titlePlaceholder="Story Title"
+            onTitleChange=(action "updateTitleScratch")
+            onTitleBlur=(action (perform saveTitle))
+            body=(readonly post.scratch)
+            bodyPlaceholder="Begin writing your story..."
+            bodyAutofocus=shouldFocusEditor
+            onBodyChange=(action "updateScratch")
+            headerOffset=editor.headerHeight
+            scrollContainerSelector=".gh-koenig-editor"
+            scrollOffsetTopSelector=".gh-editor-header-small"
+            scrollOffsetBottomSelector=".gh-mobile-nav-bar"
+            onEditorCreated=(action "setKoenigEditor")
+            onWordCountChange=(action "updateWordCount")
+        }}
 
-            <div class="absolute flex items-center br3 bg-white {{if editor.headerClass "right-4 bottom-4" "right-6 bottom-6"}}">
-                <div class="midgrey-l2 {{if editor.headerClass "f-supersmall pl2 pr2" "f8 pl4 pr3"}} fw3">
-                    {{pluralize wordCount.wordCount "word"}}
-                </div>
-                <a href="https://help.ghost.org/article/29-ghost-editor-overview" class="flex {{if editor.headerClass "pa2" "pa3"}}" target="_blank">{{svg-jar "help" class="w4 h4 stroke-midgrey-l2"}}</a>
+        <div class="absolute flex items-center br3 bg-white {{if editor.headerClass "right-4 bottom-4" "right-6 bottom-6"}}">
+            <div class="midgrey-l2 {{if editor.headerClass "f-supersmall pl2 pr2" "f8 pl4 pr3"}} fw3">
+                {{pluralize wordCount.wordCount "word"}}
             </div>
-
-        {{else}}
-
-            {{!--
-                NOTE: title is part of the markdown editor container so that it has
-                access to the markdown editor's "focus" action
-            --}}
-            {{#gh-markdown-editor
-                tabindex="2"
-                placeholder="Begin writing your story..."
-                autofocus=shouldFocusEditor
-                uploadedImageUrls=editor.uploadedImageUrls
-                markdown=(readonly markdown)
-                isFullScreen=editor.isFullScreen
-                onChange=(action "updateMarkdown")
-                onFullScreenToggle=(action editor.toggleFullScreen)
-                onPreviewToggle=(action editor.togglePreview)
-                onSplitScreenToggle=(action editor.toggleSplitScreen)
-                onImageFilesSelected=(action editor.uploadImages)
-                imageMimeTypes=editor.imageMimeTypes
-                as |markdown|
-            }}
-                <div class="gh-markdown-editor-pane">
-                    {{gh-textarea
-                        class="gh-editor-title"
-                        placeholder="Post Title"
-                        tabindex="1"
-                        autoExpand=".gh-markdown-editor-pane"
-                        value=(readonly post.titleScratch)
-                        input=(action "updateTitleScratch" value="target.value")
-                        focus-out=(action (perform saveTitle))
-                        keyEvents=(hash
-                            Tab=(action markdown.focus 'bottom')
-                            Enter=(action markdown.focus 'top')
-                        )
-                        data-test-editor-title-input=true
-                    }}
-                    {{markdown.editor}}
-                </div>
-
-                {{#if markdown.isSplitScreen}}
-                    <div class="gh-markdown-editor-preview">
-                        <h1 class="gh-markdown-editor-preview-title">{{post.titleScratch}}</h1>
-                        <div class="gh-markdown-editor-preview-content"></div>
-                    </div>
-                {{/if}}
-
-                {{gh-tour-item "using-the-editor"
-                    target=".gh-editor-footer"
-                    throbberAttachment="top left"
-                    throbberOffset="0 20%"
-                    popoverTriangleClass="bottom"
-                }}
-            {{/gh-markdown-editor}}
-
-            {{!-- TODO: put tool/status bar in here so that scroll area can be fixed --}}
-            <footer class="gh-editor-footer"></footer>
-
-            {{!-- files are dragged over editor pane --}}
-            {{#if editor.isDraggedOver}}
-                <div class="drop-target gh-editor-drop-target">
-                    <div class="drop-target-message">
-                        <h3>Drop image(s) here to upload</h3>
-                    </div>
-                </div>
-            {{/if}}
-
-            {{!-- files have been dropped ready to be uploaded --}}
-            {{#if editor.droppedFiles}}
-                {{#gh-uploader
-                    files=editor.droppedFiles
-                    accept=editor.imageMimeTypes
-                    extensions=editor.imageExtensions
-                    onComplete=(action editor.uploadComplete)
-                    onCancel=(action editor.uploadCancelled)
-                    as |upload|
-                }}
-                    <div class="gh-editor-image-upload {{if upload.errors "-error"}}">
-                        <div class="gh-editor-image-upload-content">
-                            {{#if upload.errors}}
-                                <h3>Upload failed</h3>
-
-                                {{#each upload.errors as |error|}}
-                                    <div class="failed">{{error.fileName}} - {{error.message}}</div>
-                                {{/each}}
-
-                                <button class="gh-btn gh-btn-grey gh-btn-icon" {{action upload.cancel}}>
-                                    <span>{{svg-jar "close"}} Close</span>
-                                </button>
-                            {{else}}
-
-                                <h3>Uploading {{pluralize upload.files.length "image"}}...</h3>
-                                {{upload.progressBar}}
-                            {{/if}}
-                        </div>
-                    </div>
-                {{/gh-uploader}}
-            {{/if}}
-
-        {{/if}} {{!-- end Koenig conditional --}}
+            <a href="https://help.ghost.org/article/29-ghost-editor-overview" class="flex {{if editor.headerClass "pa2" "pa3"}}" target="_blank">{{svg-jar "help" class="w4 h4 stroke-midgrey-l2"}}</a>
+        </div>
 
     {{/gh-editor}}
 
diff --git a/ghost/admin/app/templates/settings/labs.hbs b/ghost/admin/app/templates/settings/labs.hbs
index b9a83f4ef4..acc6e11c92 100644
--- a/ghost/admin/app/templates/settings/labs.hbs
+++ b/ghost/admin/app/templates/settings/labs.hbs
@@ -82,15 +82,6 @@
         </div>
 
         <div class="gh-setting-header">Beta features</div>
-        <div class="gh-setting">
-            <div class="gh-setting-content">
-                <div class="gh-setting-title flex items-center">Koenig editor <span class="gh-badge gh-badge-green ml1">New</span></div>
-                <div class="gh-setting-desc">Participate in our new rich text editor beta! We’d love <a href="https://forum.ghost.org/t/koenig-beta-release/1284" target="_blank" rel="noopener">your feedback</a></div>
-            </div>
-            <div class="gh-setting-action">
-                <div class="for-checkbox">{{gh-feature-flag "koenigEditor"}}</div>
-            </div>
-        </div>
         <div class="gh-setting">
             <div class="gh-setting-content">
                 <div class="gh-setting-title">Public API</div>
diff --git a/ghost/admin/tests/acceptance/editor-test.js b/ghost/admin/tests/acceptance/editor-test.js
index 0b1ba2ce33..1630ff9e4f 100644
--- a/ghost/admin/tests/acceptance/editor-test.js
+++ b/ghost/admin/tests/acceptance/editor-test.js
@@ -817,16 +817,5 @@ describe('Acceptance: Editor', function () {
                 'facebook title not present after closing subview'
             ).to.equal(0);
         });
-
-        it('has unsplash icon when server doesn\'t return unsplash settings key', async function () {
-            server.createList('post', 1, {authors: [author]});
-
-            await visit('/editor/1');
-
-            expect(
-                find('.editor-toolbar .fa-camera'),
-                'unsplash toolbar button'
-            ).to.exist;
-        });
     });
 });