diff --git a/src/Umbraco.Web.UI.Client/.storybook/preview-head.html b/src/Umbraco.Web.UI.Client/.storybook/preview-head.html
index 4f7d6b9265..8a6c9e645c 100644
--- a/src/Umbraco.Web.UI.Client/.storybook/preview-head.html
+++ b/src/Umbraco.Web.UI.Client/.storybook/preview-head.html
@@ -1,14 +1,14 @@
 <style>
 	/* Make stories able to use 100% height */
-	html {
-		height: 100vh;
-	}
-	/* Make stories able to use 100% height */
-	body,
-	#storybook-root,
-	#root-inner {
-		height: 100%;
-	}
+  html {
+    height: 100vh;
+  }
+  /* Make stories able to use 100% height */
+  body,
+  #root,
+  #root-inner {
+    height: 100%;
+  }
 
 	body {
 		padding: 0px !important;
@@ -40,3 +40,4 @@
 		});
 	})();
 </script>
+
diff --git a/src/Umbraco.Web.UI.Client/src/packages/core/components/index.ts b/src/Umbraco.Web.UI.Client/src/packages/core/components/index.ts
index c6c82b44c8..50727337dc 100644
--- a/src/Umbraco.Web.UI.Client/src/packages/core/components/index.ts
+++ b/src/Umbraco.Web.UI.Client/src/packages/core/components/index.ts
@@ -29,6 +29,5 @@ export * from './input-upload-field/index.js';
 export * from './multiple-color-picker-input/index.js';
 export * from './multiple-text-string-input/index.js';
 export * from './popover-layout/index.js';
-export * from './split-panel/index.js';
 export * from './table/index.js';
 export * from './tooltip-menu/index.js';
diff --git a/src/Umbraco.Web.UI.Client/src/packages/core/components/split-panel/index.ts b/src/Umbraco.Web.UI.Client/src/packages/core/components/split-panel/index.ts
deleted file mode 100644
index 5e03122c68..0000000000
--- a/src/Umbraco.Web.UI.Client/src/packages/core/components/split-panel/index.ts
+++ /dev/null
@@ -1,3 +0,0 @@
-import './split-panel.element.js';
-
-export * from './split-panel.element.js';
diff --git a/src/Umbraco.Web.UI.Client/src/packages/core/components/split-panel/split-panel.element.ts b/src/Umbraco.Web.UI.Client/src/packages/core/components/split-panel/split-panel.element.ts
deleted file mode 100644
index 60ba3cac57..0000000000
--- a/src/Umbraco.Web.UI.Client/src/packages/core/components/split-panel/split-panel.element.ts
+++ /dev/null
@@ -1,312 +0,0 @@
-import {
-	type PropertyValueMap,
-	LitElement,
-	css,
-	customElement,
-	html,
-	property,
-	query,
-	state,
-} from '@umbraco-cms/backoffice/external/lit';
-
-/**
- * Custom element for a split panel with adjustable divider.
- * @element umb-split-panel
- * @slot start - Content for the start panel.
- * @slot end - Content for the end panel.
- * @cssprop --umb-split-panel-initial-position - Initial position of the divider.
- * @cssprop --umb-split-panel-start-min-width - Minimum width of the start panel.
- * @cssprop --umb-split-panel-end-min-width - Minimum width of the end panel.
- * @cssprop --umb-split-panel-divider-touch-area-width - Width of the divider touch area.
- * @cssprop --umb-split-panel-divider-width - Width of the divider.
- * @cssprop --umb-split-panel-divider-color - Color of the divider.
- */
-@customElement('umb-split-panel')
-export class UmbSplitPanelElement extends LitElement {
-	@query('#main') mainElement!: HTMLElement;
-	@query('#divider-touch-area') dividerTouchAreaElement!: HTMLElement;
-	@query('#divider') dividerElement!: HTMLElement;
-
-	/**
-	 * Snap points for the divider position.
-	 * Pixel or percent space-separated values: e.g., "100px 50% -75% -200px".
-	 * Negative values are relative to the end of the container.
-	 */
-	@property({ type: String }) snap?: string; //TODO: Consider using css variables for snap points.
-
-	/**
-	 * Locking mode for the split panel.
-	 * Possible values: "start", "end", "none" (default).
-	 */
-	@property({ type: String }) lock: 'start' | 'end' | 'none' = 'none';
-
-	/**
-	 * Initial position of the divider.
-	 * Pixel or percent value: e.g., "100px" or "25%".
-	 * Defaults to a CSS variable if not set: "var(--umb-split-panel-initial-position) which defaults to 50%".
-	 */
-	@property({ type: String, reflect: true }) position = 'var(--umb-split-panel-initial-position)';
-	//TODO: Add support for negative values (relative to end of container) similar to snap points.
-
-	/** Width of the locked panel when in "start" or "end" lock mode */
-	#lockedPanelWidth: number = 0;
-	/** Resize observer for tracking container size changes. */
-	#resizeObserver?: ResizeObserver;
-	/** Pixel value for the snap threshold. Determines how close the divider needs to be to a snap point to snap to it. */
-	readonly #SNAP_THRESHOLD = 25 as const;
-
-	@state() _hasStartPanel = false;
-	@state() _hasEndPanel = false;
-	get #hasBothPanels() {
-		return this._hasStartPanel && this._hasEndPanel;
-	}
-
-	#hasInitialized = false;
-
-	disconnectedCallback() {
-		super.disconnectedCallback();
-		this.#disconnect();
-	}
-
-	protected updated(_changedProperties: PropertyValueMap<any> | Map<PropertyKey, unknown>): void {
-		super.updated(_changedProperties);
-
-		if (!this.#hasInitialized) return;
-
-		if (_changedProperties.has('position')) {
-			if (this.lock !== 'none') {
-				const { width } = this.mainElement.getBoundingClientRect();
-
-				let pos = parseFloat(this.position);
-
-				if (this.position.endsWith('%')) {
-					pos = (pos / 100) * width;
-				}
-
-				const lockedPanelWidth = this.lock === 'start' ? pos : width - pos;
-				this.#lockedPanelWidth = lockedPanelWidth;
-			}
-
-			this.#updateSplit();
-		}
-	}
-
-	#clamp(value: number, min: number, max: number) {
-		return Math.min(Math.max(value, min), max);
-	}
-
-	#onResize(entries: ResizeObserverEntry[]) {
-		const mainContainerWidth = entries[0].contentRect.width;
-
-		if (this.lock === 'start') {
-			this.#setPosition(this.#lockedPanelWidth);
-		}
-		if (this.lock === 'end') {
-			this.#setPosition(mainContainerWidth - this.#lockedPanelWidth);
-		}
-	}
-
-	#setPosition(pos: number) {
-		const { width } = this.mainElement.getBoundingClientRect();
-		const localPos = this.#clamp(pos, 0, width);
-		const percentagePos = (localPos / width) * 100;
-		this.position = percentagePos + '%';
-	}
-
-	#updateSplit() {
-		// If lock is none
-		let maxStartWidth = this.position;
-		let maxEndWidth = '1fr';
-
-		if (this.lock === 'start') {
-			maxStartWidth = this.#lockedPanelWidth + 'px';
-			maxEndWidth = `1fr`;
-		}
-		if (this.lock === 'end') {
-			maxStartWidth = `1fr`;
-			maxEndWidth = this.#lockedPanelWidth + 'px';
-		}
-
-		this.mainElement.style.gridTemplateColumns = `
-      minmax(var(--umb-split-panel-start-min-width), ${maxStartWidth})
-      0px
-      minmax(var(--umb-split-panel-end-min-width), ${maxEndWidth})
-    `;
-	}
-
-	#onDragStart = (event: PointerEvent | TouchEvent) => {
-		event.preventDefault();
-
-		const move = (event: PointerEvent) => {
-			const { clientX } = event;
-			const { left, width } = this.mainElement.getBoundingClientRect();
-			const localPos = this.#clamp(clientX - left, 0, width);
-			const mappedPos = mapXAxisToSnap(localPos, width);
-
-			this.#lockedPanelWidth = this.lock === 'start' ? mappedPos : width - mappedPos;
-			this.#setPosition(mappedPos);
-		};
-
-		function stop() {
-			document.removeEventListener('pointermove', move);
-			document.removeEventListener('pointerup', stop);
-		}
-
-		const mapXAxisToSnap = (xPos: number, containerWidth: number) => {
-			const snaps = this.snap?.split(' ');
-			if (!snaps) return xPos;
-
-			const snapsInPixels = snaps.map((snap) => {
-				let snapPx = parseFloat(snap);
-
-				if (snap.endsWith('%')) {
-					snapPx = (snapPx / 100) * containerWidth;
-				}
-
-				if (snap.startsWith('-')) {
-					snapPx = containerWidth + snapPx;
-				}
-
-				return snapPx;
-			});
-
-			const closestSnap = snapsInPixels.reduce((prev, curr) => {
-				return Math.abs(curr - xPos) < Math.abs(prev - xPos) ? curr : prev;
-			});
-
-			if (closestSnap < xPos + this.#SNAP_THRESHOLD && closestSnap > xPos - this.#SNAP_THRESHOLD) {
-				xPos = closestSnap;
-			}
-
-			return xPos;
-		};
-
-		document.addEventListener('pointermove', move, { passive: true });
-		document.addEventListener('pointerup', stop);
-	};
-
-	#disconnect() {
-		this.#resizeObserver?.unobserve(this);
-		this.dividerTouchAreaElement.removeEventListener('pointerdown', this.#onDragStart);
-		this.dividerTouchAreaElement.removeEventListener('touchstart', this.#onDragStart);
-		this.dividerElement.style.display = 'none';
-		this.mainElement.style.display = 'flex';
-		this.#hasInitialized = false;
-	}
-
-	async #connect() {
-		this.#hasInitialized = true;
-
-		this.#resizeObserver = new ResizeObserver(this.#onResize.bind(this));
-		this.mainElement.style.display = 'grid';
-		this.mainElement.style.gridTemplateColumns = `${this.position} 0px 1fr`;
-		this.dividerElement.style.display = 'unset';
-
-		this.dividerTouchAreaElement.addEventListener('pointerdown', this.#onDragStart);
-		this.dividerTouchAreaElement.addEventListener('touchstart', this.#onDragStart, { passive: false });
-
-		// Wait for the next frame to get the correct position of the divider.
-		await new Promise((resolve) => requestAnimationFrame(resolve));
-
-		const { left: dividerLeft } = this.shadowRoot!.querySelector('#divider')!.getBoundingClientRect();
-		const { left: mainLeft, width: mainWidth } = this.mainElement.getBoundingClientRect();
-		const percentagePos = ((dividerLeft - mainLeft) / mainWidth) * 100;
-		this.position = `${percentagePos}%`;
-
-		this.#resizeObserver?.observe(this);
-	}
-
-	#onSlotChanged(event: Event) {
-		const slot = event.target as HTMLSlotElement;
-		const name = slot.name;
-
-		if (name === 'start') {
-			this._hasStartPanel = slot.assignedElements().length > 0;
-		}
-		if (name === 'end') {
-			this._hasEndPanel = slot.assignedElements().length > 0;
-		}
-
-		if (!this.#hasBothPanels) {
-			if (this.#hasInitialized) {
-				this.#disconnect();
-			}
-			return;
-		}
-
-		this.#connect();
-	}
-
-	render() {
-		console.log('render', this._hasStartPanel, this._hasEndPanel);
-		return html`
-			<div id="main">
-				<slot
-					name="start"
-					@slotchange=${this.#onSlotChanged}
-					style="width: ${this._hasStartPanel ? '100%' : '0'}"></slot>
-				<div id="divider">
-					<div id="divider-touch-area" tabindex="0"></div>
-				</div>
-				<slot name="end" @slotchange=${this.#onSlotChanged} style="width: ${this._hasEndPanel ? '100%' : '0'}"></slot>
-			</div>
-		`;
-	}
-	static styles = css`
-		:host {
-			display: contents;
-			--umb-split-panel-initial-position: 50%;
-			--umb-split-panel-start-min-width: 0;
-			--umb-split-panel-end-min-width: 0;
-
-			--umb-split-panel-divider-touch-area-width: 20px;
-			--umb-split-panel-divider-width: 1px;
-			--umb-split-panel-divider-color: transparent;
-		}
-		slot {
-			overflow: hidden;
-			display: block;
-		}
-		#main {
-			width: 100%;
-			height: 100%;
-			display: flex;
-			position: relative;
-			z-index: 0;
-			overflow: hidden;
-		}
-		#divider {
-			height: 100%;
-			position: relative;
-			z-index: 999999;
-			display: none;
-		}
-		#divider-touch-area {
-			position: absolute;
-			top: 0;
-			left: 0;
-			height: 100%;
-			width: var(--umb-split-panel-divider-touch-area-width);
-			transform: translateX(-50%);
-			cursor: col-resize;
-		}
-		/* Do we want a line that shows the divider? */
-		#divider::after {
-			content: '';
-			position: absolute;
-			top: 0;
-			left: 50%;
-			width: var(--umb-split-panel-divider-width);
-			height: 100%;
-			transform: round(translateX(-50%));
-			background-color: var(--umb-split-panel-divider-color);
-			z-index: -1;
-		}
-	`;
-}
-
-declare global {
-	interface HTMLElementTagNameMap {
-		'umb-split-panel': UmbSplitPanelElement;
-	}
-}
diff --git a/src/Umbraco.Web.UI.Client/src/packages/core/components/split-panel/split-panel.stories.ts b/src/Umbraco.Web.UI.Client/src/packages/core/components/split-panel/split-panel.stories.ts
deleted file mode 100644
index 3cb9752a4e..0000000000
--- a/src/Umbraco.Web.UI.Client/src/packages/core/components/split-panel/split-panel.stories.ts
+++ /dev/null
@@ -1,50 +0,0 @@
-import type { Meta, StoryObj } from '@storybook/web-components';
-import './split-panel.element.js';
-import type { UmbSplitPanelElement } from './split-panel.element.js';
-import { html } from '@umbraco-cms/backoffice/external/lit';
-
-const meta: Meta<UmbSplitPanelElement> = {
-	title: 'Components/Split Panel',
-	component: 'umb-split-panel',
-	argTypes: {
-		lock: { options: ['none', 'start', 'end'] },
-		snap: { control: 'text' },
-		position: { control: 'text' },
-	},
-	args: {
-		lock: 'start',
-		snap: '',
-		position: '50%',
-	},
-};
-
-export default meta;
-type Story = StoryObj<UmbSplitPanelElement>;
-
-export const Overview: Story = {
-	render: (props) => html`
-		<umb-split-panel .lock=${props.lock} .snap=${props.snap} .position=${props.position}>
-			<div id="start" slot="start">Start</div>
-			<div id="end" slot="end">End</div>
-		</umb-split-panel>
-		<style>
-			#start,
-			#end {
-				background-color: #ffffff;
-				color: #383838;
-				display: flex;
-				align-items: center;
-				justify-content: center;
-				font-size: 1.5rem;
-				font-weight: 600;
-			}
-			#start {
-				border-right: 2px solid #e5e5e5;
-				min-height: 300px;
-			}
-			#end {
-				border-left: 2px solid #e5e5e5;
-			}
-		</style>
-	`,
-};
diff --git a/src/Umbraco.Web.UI.Client/src/packages/core/section/section-default.element.ts b/src/Umbraco.Web.UI.Client/src/packages/core/section/section-default.element.ts
index 677ae379e0..859f69b3b7 100644
--- a/src/Umbraco.Web.UI.Client/src/packages/core/section/section-default.element.ts
+++ b/src/Umbraco.Web.UI.Client/src/packages/core/section/section-default.element.ts
@@ -76,26 +76,24 @@ export class UmbSectionDefaultElement extends UmbLitElement implements UmbSectio
 
 	render() {
 		return html`
-			<umb-split-panel lock="start" snap="300px">
-				${this._sidebarApps && this._sidebarApps.length > 0
-					? html`
-							<!-- TODO: these extensions should be combined into one type: sectionSidebarApp with a "subtype" -->
-							<umb-section-sidebar slot="start">
-								${repeat(
-									this._sidebarApps,
-									(app) => app.alias,
-									(app) => app.component,
-								)}
-							</umb-section-sidebar>
-					  `
+			${this._sidebarApps && this._sidebarApps.length > 0
+				? html`
+						<!-- TODO: these extensions should be combined into one type: sectionSidebarApp with a "subtype" -->
+						<umb-section-sidebar>
+							${repeat(
+								this._sidebarApps,
+								(app) => app.alias,
+								(app) => app.component,
+							)}
+						</umb-section-sidebar>
+				  `
+				: nothing}
+			<umb-section-main>
+				${this._routes && this._routes.length > 0
+					? html`<umb-router-slot id="router-slot" .routes="${this._routes}"></umb-router-slot>`
 					: nothing}
-				<umb-section-main slot="end">
-					${this._routes && this._routes.length > 0
-						? html`<umb-router-slot id="router-slot" .routes="${this._routes}"></umb-router-slot>`
-						: nothing}
-					<slot></slot>
-				</umb-section-main>
-			</umb-split-panel>
+				<slot></slot>
+			</umb-section-main>
 		`;
 	}
 
@@ -111,19 +109,6 @@ export class UmbSectionDefaultElement extends UmbLitElement implements UmbSectio
 			h3 {
 				padding: var(--uui-size-4) var(--uui-size-8);
 			}
-
-			umb-split-panel {
-				--umb-split-panel-initial-position: 200px;
-				--umb-split-panel-start-min-width: 200px;
-				--umb-split-panel-start-max-width: 400px;
-				--umb-split-panel-end-min-width: 600px;
-			}
-
-			@media only screen and (min-width: 800px) {
-				umb-split-panel {
-					--umb-split-panel-initial-position: 300px;
-				}
-			}
 		`,
 	];
 }
diff --git a/src/Umbraco.Web.UI.Client/src/packages/documents/documents/workspace/document-workspace-split-view.element.ts b/src/Umbraco.Web.UI.Client/src/packages/documents/documents/workspace/document-workspace-split-view.element.ts
index 9c0b028ab1..54eff56560 100644
--- a/src/Umbraco.Web.UI.Client/src/packages/documents/documents/workspace/document-workspace-split-view.element.ts
+++ b/src/Umbraco.Web.UI.Client/src/packages/documents/documents/workspace/document-workspace-split-view.element.ts
@@ -34,26 +34,23 @@ export class UmbDocumentWorkspaceSplitViewElement extends UmbLitElement {
 	}
 
 	render() {
-		if (!this._variants) return nothing;
+		return this._variants
+			? html`<div id="splitViews">
+						${repeat(
+							this._variants,
+							(view) =>
+								view.index + '_' + (view.culture ?? '') + '_' + (view.segment ?? '') + '_' + this._variants!.length,
+							(view) => html`
+								<umb-workspace-split-view
+									alias="Umb.Workspace.Document"
+									.splitViewIndex=${view.index}
+									.displayNavigation=${view.index === this._variants!.length - 1}></umb-workspace-split-view>
+							`,
+						)}
+					</div>
 
-		return html`<div id="splitViews">
-				<umb-split-panel snap="50%">
-					${repeat(
-						this._variants,
-						(view) =>
-							view.index + '_' + (view.culture ?? '') + '_' + (view.segment ?? '') + '_' + this._variants!.length,
-						(view, index) => html`
-							<umb-workspace-split-view
-								slot=${['start', 'end'][index] || ''}
-								alias="Umb.Workspace.Document"
-								.splitViewIndex=${view.index}
-								.displayNavigation=${view.index === this._variants!.length - 1}></umb-workspace-split-view>
-						`,
-					)}
-				</umb-split-panel>
-			</div>
-
-			<umb-workspace-footer alias="Umb.Workspace.Document"></umb-workspace-footer>`;
+					<umb-workspace-footer alias="Umb.Workspace.Document"></umb-workspace-footer>`
+			: nothing;
 	}
 
 	static styles = [
@@ -69,16 +66,11 @@ export class UmbDocumentWorkspaceSplitViewElement extends UmbLitElement {
 			}
 
 			#splitViews {
+				display: flex;
 				width: 100%;
 				height: calc(100% - var(--umb-footer-layout-height));
 			}
 
-			umb-split-panel {
-				--umb-split-panel-start-min-width: 25%;
-				--umb-split-panel-end-min-width: 25%;
-				--umb-split-panel-divider-color: var(--uui-color-border);
-			}
-
 			#breadcrumbs {
 				margin: 0 var(--uui-size-layout-1);
 			}
diff --git a/src/Umbraco.Web.UI.Client/src/packages/language/app-language-select/app-language-select.element.ts b/src/Umbraco.Web.UI.Client/src/packages/language/app-language-select/app-language-select.element.ts
index fc59163e59..6fcee8e0db 100644
--- a/src/Umbraco.Web.UI.Client/src/packages/language/app-language-select/app-language-select.element.ts
+++ b/src/Umbraco.Web.UI.Client/src/packages/language/app-language-select/app-language-select.element.ts
@@ -114,7 +114,7 @@ export class UmbAppLanguageSelectElement extends UmbLitElement {
 			}
 
 			#toggle {
-				width: 100%;
+				width: var(--umb-section-sidebar-width);
 				text-align: left;
 				background: none;
 				border: none;