diff --git a/app/views/projects/_md_preview.html.haml b/app/views/projects/_md_preview.html.haml
index c62328e3fb9..f398d97028b 100644
--- a/app/views/projects/_md_preview.html.haml
+++ b/app/views/projects/_md_preview.html.haml
@@ -26,8 +26,7 @@
         = markdown_toolbar_button({ icon: "list-bulleted", data: { "md-tag" => "* ", "md-prepend" => true }, title: s_("MarkdownToolbar|Add a bullet list") })
         = markdown_toolbar_button({ icon: "list-numbered", data: { "md-tag" => "1. ", "md-prepend" => true }, title: s_("MarkdownToolbar|Add a numbered list") })
         = markdown_toolbar_button({ icon: "task-done", data: { "md-tag" => "* [ ] ", "md-prepend" => true }, title: s_("MarkdownToolbar|Add a task list") })
-        = markdown_toolbar_button({ icon: "table", data: { "md-tag" => "| header 1 | header 2 |\n| -------- | -------- |\n| cell 1   | cell 2   |\n| cell 3   | cell 4   |", "md-prepend" => true }, title: s_("MarkdownToolbar|Add a table") })
-        = markdown_toolbar_button({ icon: "table", data: { "md-tag" => "| header | header |\n| ------ | ------ |\n| cell | cell |\n| cell | cell |", "md-prepend" => true }, title: _('Add a table') })
+        = markdown_toolbar_button({ icon: "table", data: { "md-tag" => "| header | header |\n| ------ | ------ |\n| cell | cell |\n| cell | cell |", "md-prepend" => true }, title: s_("MarkdownToolbar|Add a table") })
         %button.toolbar-btn.toolbar-fullscreen-btn.js-zen-enter.has-tooltip{ type: "button", tabindex: -1, "aria-label": "Go full screen", title: s_("MarkdownToolbar|Go full screen"), data: { container: "body" } }
           = sprite_icon("screen-full")
 
diff --git a/changelogs/unreleased/gt-remove-duplicate-button-from-the-md-header-toolbar.yml b/changelogs/unreleased/gt-remove-duplicate-button-from-the-md-header-toolbar.yml
new file mode 100644
index 00000000000..c2e828eb697
--- /dev/null
+++ b/changelogs/unreleased/gt-remove-duplicate-button-from-the-md-header-toolbar.yml
@@ -0,0 +1,5 @@
+---
+title: Remove duplicate button from the markdown header toolbar
+merge_request: 22192
+author: George Tsiolis
+type: changed