diff --git a/packages/popover/src/Popover.ts b/packages/popover/src/Popover.ts
index 2e34c2c12a..8a934f4b50 100644
--- a/packages/popover/src/Popover.ts
+++ b/packages/popover/src/Popover.ts
@@ -14,7 +14,6 @@ import {
     CSSResultArray,
     html,
     nothing,
-    PropertyValues,
     SpectrumElement,
     TemplateResult,
 } from '@spectrum-web-components/base';
@@ -35,13 +34,6 @@ export class Popover extends SpectrumElement {
         return [popoverStyles];
     }
 
-    /**
-     * Whether the popover should manage the application
-     * of padding to its content or not.
-     */
-    @property({ type: Boolean, reflect: true })
-    public dialog = false;
-
     /**
      * Whether the popover is visible or not.
      */
@@ -74,23 +66,6 @@ export class Popover extends SpectrumElement {
         `;
     }
 
-    protected override update(changes: PropertyValues): void {
-        if (window.__swc.DEBUG) {
-            if (changes.has('dialog') && this.dialog) {
-                window.__swc.warn(
-                    this,
-                    `<${this.localName}> no longer supports the "dialog" attribute. Please slot an <sp-dialog> element into the <${this.localName}> instead.`,
-                    'https://opensource.adobe.com/spectrum-web-components/components/popover/#dialog-popovers',
-                    {
-                        type: 'api',
-                        level: 'deprecation',
-                    }
-                );
-            }
-        }
-        super.update(changes);
-    }
-
     protected override render(): TemplateResult {
         return html`
             <slot></slot>
diff --git a/packages/popover/src/spectrum-config.js b/packages/popover/src/spectrum-config.js
index 32f325e0f6..c18099ff30 100644
--- a/packages/popover/src/spectrum-config.js
+++ b/packages/popover/src/spectrum-config.js
@@ -27,10 +27,6 @@ const config = {
                 converter.classToHost(),
                 converter.classToAttribute('is-open', 'open'),
                 converter.classToAttribute('spectrum-Popover--withTip', 'tip'),
-                converter.classToAttribute(
-                    'spectrum-Popover--dialog',
-                    'dialog'
-                ),
                 ...converter.enumerateAttributes(
                     [
                         ['spectrum-Popover--top', 'top'],
diff --git a/packages/popover/stories/popover.stories.ts b/packages/popover/stories/popover.stories.ts
index 7e5c081aa9..75b7b04834 100644
--- a/packages/popover/stories/popover.stories.ts
+++ b/packages/popover/stories/popover.stories.ts
@@ -97,7 +97,6 @@ const Template = ({ tip, placement, open }: StoryArgs): TemplateResult => {
             style="color: var(--spectrum-gray-800); position: relative; display: contents"
         >
             <sp-popover
-                variant="dialog"
                 placement=${placement}
                 ?open=${open}
                 style=" max-width: 320px"
diff --git a/packages/popover/test/benchmark/test-basic.ts b/packages/popover/test/benchmark/test-basic.ts
index da3b74b72c..4cc85ec739 100644
--- a/packages/popover/test/benchmark/test-basic.ts
+++ b/packages/popover/test/benchmark/test-basic.ts
@@ -11,16 +11,17 @@ governing permissions and limitations under the License.
 */
 
 import '@spectrum-web-components/popover/sp-popover.js';
+import '@spectrum-web-components/dialog/sp-dialog.js';
 import { html } from 'lit';
 import { measureFixtureCreation } from '../../../../test/benchmark/helpers.js';
 
 measureFixtureCreation(html`
-    <sp-popover variant="dialog" direction="top" open>
-        <div id="title">Popover Title</div>
-        <div id="content">
+    <sp-popover direction="top" open>
+        <sp-dialog>
+            <h3 slot="heading">Popover title</h3>
             Cupcake ipsum dolor sit amet jelly beans. Chocolate jelly caramels.
             Icing soufflé chupa chups donut cheesecake. Jelly-o chocolate cake
             sweet roll cake danish candy biscuit halvah
-        </div>
+        </sp-dialog>
     </sp-popover>
 `);
diff --git a/packages/popover/test/popover.test.ts b/packages/popover/test/popover.test.ts
index cae6611511..b232f7a05a 100644
--- a/packages/popover/test/popover.test.ts
+++ b/packages/popover/test/popover.test.ts
@@ -10,6 +10,7 @@ OF ANY KIND, either express or implied. See the License for the specific languag
 governing permissions and limitations under the License.
 */
 import '@spectrum-web-components/popover/sp-popover.js';
+import '@spectrum-web-components/dialog/sp-dialog.js';
 import { Popover } from '@spectrum-web-components/popover';
 import { elementUpdated, expect, fixture, html } from '@open-wc/testing';
 
@@ -17,19 +18,17 @@ describe('popover', () => {
     let popover!: Popover;
 
     beforeEach(async () => {
-        popover = await fixture<Popover>(
-            html`
-                <sp-popover variant="dialog" placement="top" open>
-                    <div id="title">Popover Title</div>
-                    <div id="content">
-                        Cupcake ipsum dolor sit amet jelly beans. Chocolate
-                        jelly caramels. Icing soufflé chupa chups donut
-                        cheesecake. Jelly-o chocolate cake sweet roll cake
-                        danish candy biscuit halvah
-                    </div>
-                </sp-popover>
-            `
-        );
+        popover = await fixture<Popover>(html`
+            <sp-popover placement="top" open>
+                <sp-dialog>
+                    <h3 slot="heading">Popover title</h3>
+                    Cupcake ipsum dolor sit amet jelly beans. Chocolate jelly
+                    caramels. Icing soufflé chupa chups donut cheesecake.
+                    Jelly-o chocolate cake sweet roll cake danish candy biscuit
+                    halvah
+                </sp-dialog>
+            </sp-popover>
+        `);
         await elementUpdated(popover);
     });
 
@@ -53,19 +52,17 @@ describe('popover', () => {
     });
 
     it('surfaces tip element', async () => {
-        const el = await fixture<Popover>(
-            html`
-                <sp-popover variant="dialog" placement="top" tip open>
-                    <div id="title">Popover Title</div>
-                    <div id="content">
-                        Cupcake ipsum dolor sit amet jelly beans. Chocolate
-                        jelly caramels. Icing soufflé chupa chups donut
-                        cheesecake. Jelly-o chocolate cake sweet roll cake
-                        danish candy biscuit halvah
-                    </div>
-                </sp-popover>
-            `
-        );
+        const el = await fixture<Popover>(html`
+            <sp-popover placement="top" tip open>
+                <div id="title">Popover Title</div>
+                <div id="content">
+                    Cupcake ipsum dolor sit amet jelly beans. Chocolate jelly
+                    caramels. Icing soufflé chupa chups donut cheesecake.
+                    Jelly-o chocolate cake sweet roll cake danish candy biscuit
+                    halvah
+                </div>
+            </sp-popover>
+        `);
 
         await elementUpdated(el);