diff --git a/src/course-unit/CourseUnit.test.jsx b/src/course-unit/CourseUnit.test.jsx
index 8795f996ff..f410692dba 100644
--- a/src/course-unit/CourseUnit.test.jsx
+++ b/src/course-unit/CourseUnit.test.jsx
@@ -171,7 +171,6 @@ describe('<CourseUnit />', () => {
       expect(within(unitHeaderTitle).getByRole('button', { name: headerTitleMessages.altButtonEdit.defaultMessage })).toBeInTheDocument();
       expect(within(unitHeaderTitle).getByRole('button', { name: headerTitleMessages.altButtonSettings.defaultMessage })).toBeInTheDocument();
       expect(screen.getByRole('button', { name: headerNavigationsMessages.viewLiveButton.defaultMessage })).toBeInTheDocument();
-      expect(screen.getByRole('button', { name: headerNavigationsMessages.previewButton.defaultMessage })).toBeInTheDocument();
       expect(screen.getByRole('button', { name: currentSectionName })).toBeInTheDocument();
       expect(screen.getByRole('button', { name: currentSubSectionName })).toBeInTheDocument();
     });
@@ -584,7 +583,6 @@ describe('<CourseUnit />', () => {
     window.open = jest.fn();
     render(<RootWrapper />);
     const {
-      draft_preview_link: draftPreviewLink,
       published_preview_link: publishedPreviewLink,
     } = courseSectionVerticalMock;
 
@@ -593,11 +591,6 @@ describe('<CourseUnit />', () => {
       userEvent.click(viewLiveButton);
       expect(window.open).toHaveBeenCalled();
       expect(window.open).toHaveBeenCalledWith(publishedPreviewLink, '_blank');
-
-      const previewButton = screen.getByRole('button', { name: headerNavigationsMessages.previewButton.defaultMessage });
-      userEvent.click(previewButton);
-      expect(window.open).toHaveBeenCalled();
-      expect(window.open).toHaveBeenCalledWith(draftPreviewLink, '_blank');
     });
 
     window.open = open;
diff --git a/src/course-unit/header-navigations/HeaderNavigations.jsx b/src/course-unit/header-navigations/HeaderNavigations.jsx
index 8fbcd7ddda..d9f7a9b734 100644
--- a/src/course-unit/header-navigations/HeaderNavigations.jsx
+++ b/src/course-unit/header-navigations/HeaderNavigations.jsx
@@ -8,25 +8,17 @@ import messages from './messages';
 
 const HeaderNavigations = ({ headerNavigationsActions, category }) => {
   const intl = useIntl();
-  const { handleViewLive, handlePreview, handleEdit } = headerNavigationsActions;
+  const { handleViewLive, handleEdit } = headerNavigationsActions;
 
   return (
     <nav className="header-navigations ml-auto flex-shrink-0">
       {category === COURSE_BLOCK_NAMES.vertical.id && (
-        <>
-          <Button
-            variant="outline-primary"
-            onClick={handleViewLive}
-          >
-            {intl.formatMessage(messages.viewLiveButton)}
-          </Button>
-          <Button
-            variant="outline-primary"
-            onClick={handlePreview}
-          >
-            {intl.formatMessage(messages.previewButton)}
-          </Button>
-        </>
+        <Button
+          variant="outline-primary"
+          onClick={handleViewLive}
+        >
+          {intl.formatMessage(messages.viewLiveButton)}
+        </Button>
       )}
       {[COURSE_BLOCK_NAMES.libraryContent.id, COURSE_BLOCK_NAMES.splitTest.id].includes(category) && (
         <Button
diff --git a/src/course-unit/header-navigations/HeaderNavigations.test.jsx b/src/course-unit/header-navigations/HeaderNavigations.test.jsx
index 8928b6f09a..74d7614a02 100644
--- a/src/course-unit/header-navigations/HeaderNavigations.test.jsx
+++ b/src/course-unit/header-navigations/HeaderNavigations.test.jsx
@@ -6,12 +6,10 @@ import HeaderNavigations from './HeaderNavigations';
 import messages from './messages';
 
 const handleViewLiveFn = jest.fn();
-const handlePreviewFn = jest.fn();
 const handleEditFn = jest.fn();
 
 const headerNavigationsActions = {
   handleViewLive: handleViewLiveFn,
-  handlePreview: handlePreviewFn,
   handleEdit: handleEditFn,
 };
 
@@ -30,7 +28,6 @@ describe('<HeaderNavigations />', () => {
     const { getByRole } = renderComponent({ unitCategory: COURSE_BLOCK_NAMES.vertical.id });
 
     expect(getByRole('button', { name: messages.viewLiveButton.defaultMessage })).toBeInTheDocument();
-    expect(getByRole('button', { name: messages.previewButton.defaultMessage })).toBeInTheDocument();
   });
 
   it('calls the correct handlers when clicking buttons for unit page', () => {
@@ -40,10 +37,6 @@ describe('<HeaderNavigations />', () => {
     fireEvent.click(viewLiveButton);
     expect(handleViewLiveFn).toHaveBeenCalledTimes(1);
 
-    const previewButton = getByRole('button', { name: messages.previewButton.defaultMessage });
-    fireEvent.click(previewButton);
-    expect(handlePreviewFn).toHaveBeenCalledTimes(1);
-
     const editButton = queryByRole('button', { name: messages.editButton.defaultMessage });
     expect(editButton).not.toBeInTheDocument();
   });