diff --git a/.rubocop_todo/cop/experiments_test_coverage.yml b/.rubocop_todo/cop/experiments_test_coverage.yml
deleted file mode 100644
index f733851a80e8dcd46948622a48c1b894c2598a8d..0000000000000000000000000000000000000000
--- a/.rubocop_todo/cop/experiments_test_coverage.yml
+++ /dev/null
@@ -1,5 +0,0 @@
----
-Cop/ExperimentsTestCoverage:
-  Exclude:
-    - 'app/controllers/groups/boards_controller.rb'
-    - 'app/controllers/projects/boards_controller.rb'
diff --git a/app/assets/javascripts/boards/components/board_top_bar.vue b/app/assets/javascripts/boards/components/board_top_bar.vue
index 9491f1ab41d534bb0b6f001c94ddb56a9ab94af6..37fb8b307461840325d414dacac4970b0654f352 100644
--- a/app/assets/javascripts/boards/components/board_top_bar.vue
+++ b/app/assets/javascripts/boards/components/board_top_bar.vue
@@ -5,7 +5,6 @@ import IssueBoardFilteredSearch from 'ee_else_ce/boards/components/issue_board_f
 import { getBoardQuery } from 'ee_else_ce/boards/boards_util';
 import { setError } from '../graphql/cache_updates';
 import ConfigToggle from './config_toggle.vue';
-import NewBoardButton from './new_board_button.vue';
 import ToggleFocus from './toggle_focus.vue';
 import BoardOptions from './board_options.vue';
 
@@ -15,7 +14,6 @@ export default {
     BoardsSelector,
     IssueBoardFilteredSearch,
     ConfigToggle,
-    NewBoardButton,
     ToggleFocus,
     EpicBoardFilteredSearch: () =>
       import('ee_component/boards/components/epic_filtered_search.vue'),
@@ -105,7 +103,6 @@ export default {
             @updateBoard="$emit('updateBoard', $event)"
             @showBoardModal="setCurrentForm"
           />
-          <new-board-button @showBoardModal="setCurrentForm" />
           <div class="gl-flex md:!gl-hidden gl-gap-2 gl-align-items-center">
             <board-options
               :show-epic-lane-option="swimlanesFeatureAvailable && isSignedIn"
diff --git a/app/assets/javascripts/boards/components/new_board_button.vue b/app/assets/javascripts/boards/components/new_board_button.vue
deleted file mode 100644
index 1fc9b55b40d34f60ce70d09d1caf773948ee53d3..0000000000000000000000000000000000000000
--- a/app/assets/javascripts/boards/components/new_board_button.vue
+++ /dev/null
@@ -1,49 +0,0 @@
-<script>
-import { GlButton, GlModalDirective } from '@gitlab/ui';
-import { formType } from '~/boards/constants';
-import { s__ } from '~/locale';
-import Tracking from '~/tracking';
-import GitlabExperiment from '~/experimentation/components/gitlab_experiment.vue';
-
-export default {
-  components: {
-    GlButton,
-    GitlabExperiment,
-  },
-  directives: {
-    GlModalDirective,
-  },
-  mixins: [Tracking.mixin()],
-  inject: ['multipleIssueBoardsAvailable', 'canAdminBoard'],
-  computed: {
-    canShowCreateButton() {
-      return this.canAdminBoard && this.multipleIssueBoardsAvailable;
-    },
-    createButtonText() {
-      return s__('Boards|New board');
-    },
-  },
-  methods: {
-    showDialog() {
-      this.track('click_button', { label: 'create_board' });
-      this.$emit('showBoardModal', formType.new);
-    },
-  },
-};
-</script>
-
-<template>
-  <gitlab-experiment name="prominent_create_board_btn">
-    <template #control> </template>
-    <template #candidate>
-      <div
-        v-if="canShowCreateButton"
-        class="gl-ml-1 gl-mr-3 gl-display-flex gl-align-items-flex-start"
-      >
-        <gl-button @click.prevent="showDialog">
-          {{ createButtonText }}
-        </gl-button>
-      </div>
-    </template>
-  </gitlab-experiment>
-</template>
diff --git a/app/controllers/groups/boards_controller.rb b/app/controllers/groups/boards_controller.rb
index eb3661ea3d78bb7fe0e79c5b57d66282f2fdb205..1e546908214ac65e654861df760660785b1fa590 100644
--- a/app/controllers/groups/boards_controller.rb
+++ b/app/controllers/groups/boards_controller.rb
@@ -8,10 +8,6 @@ class Groups::BoardsController < Groups::ApplicationController
   before_action do
     push_frontend_feature_flag(:board_multi_select, group)
     push_frontend_feature_flag(:display_work_item_epic_issue_sidebar, group)
-    experiment(:prominent_create_board_btn, subject: current_user) do |e|
-      e.control {}
-      e.candidate {}
-    end.run
   end
 
   feature_category :team_planning
diff --git a/app/controllers/projects/boards_controller.rb b/app/controllers/projects/boards_controller.rb
index 29bc00ae870506ab8c267f4162fff888cd0d8cec..d95f44a2646d3219956afbc66f428c03da1dcea9 100644
--- a/app/controllers/projects/boards_controller.rb
+++ b/app/controllers/projects/boards_controller.rb
@@ -8,10 +8,6 @@ class Projects::BoardsController < Projects::ApplicationController
   before_action do
     push_frontend_feature_flag(:board_multi_select, project)
     push_frontend_feature_flag(:display_work_item_epic_issue_sidebar, project)
-    experiment(:prominent_create_board_btn, subject: current_user) do |e|
-      e.control {}
-      e.candidate {}
-    end.run
   end
 
   feature_category :team_planning
diff --git a/config/feature_flags/experiment/prominent_create_board_btn.yml b/config/feature_flags/experiment/prominent_create_board_btn.yml
deleted file mode 100644
index b54dd25be157f23cf52643717aaffc30aeaabc4f..0000000000000000000000000000000000000000
--- a/config/feature_flags/experiment/prominent_create_board_btn.yml
+++ /dev/null
@@ -1,8 +0,0 @@
----
-name: prominent_create_board_btn
-introduced_by_url: "https://gitlab.com/gitlab-org/gitlab/-/merge_requests/72683"
-rollout_issue_url: "https://gitlab.com/gitlab-org/gitlab/-/issues/343415"
-milestone: "14.5"
-type: experiment
-group: group::product planning
-default_enabled: false
diff --git a/ee/spec/frontend/boards/components/board_top_bar_spec.js b/ee/spec/frontend/boards/components/board_top_bar_spec.js
index e513d322f668a6ee7413d7cae7fe56b714089387..fbc47cc963c969732f69aee652250b4f8a4c9193 100644
--- a/ee/spec/frontend/boards/components/board_top_bar_spec.js
+++ b/ee/spec/frontend/boards/components/board_top_bar_spec.js
@@ -10,7 +10,6 @@ import BoardTopBar from '~/boards/components/board_top_bar.vue';
 import BoardOptions from '~/boards/components/board_options.vue';
 import BoardsSelector from '~/boards/components/boards_selector.vue';
 import ConfigToggle from '~/boards/components/config_toggle.vue';
-import NewBoardButton from '~/boards/components/new_board_button.vue';
 import ToggleFocus from '~/boards/components/toggle_focus.vue';
 import { WORKSPACE_GROUP, WORKSPACE_PROJECT } from '~/issues/constants';
 
@@ -77,10 +76,6 @@ describe('BoardTopBar', () => {
       expect(wrapper.findComponent(BoardsSelector).exists()).toBe(true);
     });
 
-    it('renders NewBoardButton component', () => {
-      expect(wrapper.findComponent(NewBoardButton).exists()).toBe(true);
-    });
-
     it('renders ConfigToggle component', () => {
       expect(wrapper.findComponent(ConfigToggle).exists()).toBe(true);
     });
diff --git a/locale/gitlab.pot b/locale/gitlab.pot
index e14f6d6dc589aac6b1012a8da2e1e69a6426eb7b..51119fa5281bc43d29757d1ee5949e300e4a2238 100644
--- a/locale/gitlab.pot
+++ b/locale/gitlab.pot
@@ -9024,9 +9024,6 @@ msgstr ""
 msgid "Boards|Move to start of list"
 msgstr ""
 
-msgid "Boards|New board"
-msgstr ""
-
 msgid "Boards|No cadence matches current iteration filter"
 msgstr ""
 
diff --git a/spec/frontend/boards/components/board_top_bar_spec.js b/spec/frontend/boards/components/board_top_bar_spec.js
index 03f5eb244f063dbff8ba07bd1333b69ce7452509..5b8670278d42b93b9f9be060b0e29a0aca26a123 100644
--- a/spec/frontend/boards/components/board_top_bar_spec.js
+++ b/spec/frontend/boards/components/board_top_bar_spec.js
@@ -9,7 +9,6 @@ import BoardTopBar from '~/boards/components/board_top_bar.vue';
 import BoardsSelector from '~/boards/components/boards_selector.vue';
 import ConfigToggle from '~/boards/components/config_toggle.vue';
 import IssueBoardFilteredSearch from '~/boards/components/issue_board_filtered_search.vue';
-import NewBoardButton from '~/boards/components/new_board_button.vue';
 import ToggleFocus from '~/boards/components/toggle_focus.vue';
 import * as cacheUpdates from '~/boards/graphql/cache_updates';
 import { WORKSPACE_GROUP, WORKSPACE_PROJECT } from '~/issues/constants';
@@ -85,10 +84,6 @@ describe('BoardTopBar', () => {
       expect(wrapper.findComponent(IssueBoardFilteredSearch).exists()).toBe(true);
     });
 
-    it('renders NewBoardButton component', () => {
-      expect(wrapper.findComponent(NewBoardButton).exists()).toBe(true);
-    });
-
     it('renders ConfigToggle component', () => {
       expect(wrapper.findComponent(ConfigToggle).exists()).toBe(true);
     });
diff --git a/spec/frontend/boards/components/new_board_button_spec.js b/spec/frontend/boards/components/new_board_button_spec.js
deleted file mode 100644
index 7971467386367f7d622e57a404add531b15fba31..0000000000000000000000000000000000000000
--- a/spec/frontend/boards/components/new_board_button_spec.js
+++ /dev/null
@@ -1,66 +0,0 @@
-import { mount } from '@vue/test-utils';
-import { GlButton } from '@gitlab/ui';
-import NewBoardButton from '~/boards/components/new_board_button.vue';
-import { extendedWrapper } from 'helpers/vue_test_utils_helper';
-import { stubExperiments } from 'helpers/experimentation_helper';
-
-const FEATURE = 'prominent_create_board_btn';
-
-describe('NewBoardButton', () => {
-  let wrapper;
-
-  const createComponent = (args = {}) =>
-    extendedWrapper(
-      mount(NewBoardButton, {
-        provide: {
-          canAdminBoard: true,
-          multipleIssueBoardsAvailable: true,
-          ...args,
-        },
-      }),
-    );
-
-  describe('control variant', () => {
-    beforeAll(() => {
-      stubExperiments({ [FEATURE]: 'control' });
-    });
-
-    it('renders nothing', () => {
-      wrapper = createComponent();
-
-      expect(wrapper.text()).toBe('');
-    });
-  });
-
-  describe('candidate variant', () => {
-    beforeAll(() => {
-      stubExperiments({ [FEATURE]: 'candidate' });
-    });
-
-    it('renders New board button when `candidate` variant', () => {
-      wrapper = createComponent();
-
-      expect(wrapper.text()).toBe('New board');
-    });
-
-    it('renders nothing when `canAdminBoard` is `false`', () => {
-      wrapper = createComponent({ canAdminBoard: false });
-
-      expect(wrapper.findComponent(GlButton).exists()).toBe(false);
-    });
-
-    it('renders nothing when `multipleIssueBoardsAvailable` is `false`', () => {
-      wrapper = createComponent({ multipleIssueBoardsAvailable: false });
-
-      expect(wrapper.findComponent(GlButton).exists()).toBe(false);
-    });
-
-    it('emits `showBoardModal` when button is clicked', () => {
-      wrapper = createComponent();
-
-      wrapper.findComponent(GlButton).vm.$emit('click', { preventDefault: () => {} });
-
-      expect(wrapper.emitted('showBoardModal')).toEqual([['new']]);
-    });
-  });
-});