diff --git a/packages/block-editor/CHANGELOG.md b/packages/block-editor/CHANGELOG.md
index 5ba19b090d925..bc7d1b88bc9b0 100644
--- a/packages/block-editor/CHANGELOG.md
+++ b/packages/block-editor/CHANGELOG.md
@@ -4,6 +4,7 @@
 
 ### Breaking Changes
 
+-   `URLInput`: Remove deprecated `__nextHasNoMarginBottom` prop and promote to default behavior ([#64282](https://github.com/WordPress/gutenberg/pull/64282)).
 -   `LineHeightControl`: Remove deprecated `__nextHasNoMarginBottom` prop and promote to default behavior ([#64281](https://github.com/WordPress/gutenberg/pull/64281)).
 
 ### Enhancements
diff --git a/packages/block-editor/src/components/link-control/search-input.js b/packages/block-editor/src/components/link-control/search-input.js
index 78730463389e2..3a5dcd4148e95 100644
--- a/packages/block-editor/src/components/link-control/search-input.js
+++ b/packages/block-editor/src/components/link-control/search-input.js
@@ -119,7 +119,6 @@ const LinkControlSearchInput = forwardRef(
 			<div className="block-editor-link-control__search-input-container">
 				<URLInput
 					disableSuggestions={ currentLink?.url === value }
-					__nextHasNoMarginBottom
 					label={ __( 'Link' ) }
 					hideLabelFromVision={ hideLabelFromVision }
 					className={ className }
diff --git a/packages/block-editor/src/components/url-input/README.md b/packages/block-editor/src/components/url-input/README.md
index 9d3e340371a60..714f7f062990f 100644
--- a/packages/block-editor/src/components/url-input/README.md
+++ b/packages/block-editor/src/components/url-input/README.md
@@ -130,10 +130,6 @@ When hiding the URLInput using CSS (as is sometimes done for accessibility purpo
 
 This prop allows the suggestions list to be programmatically not rendered by passing a boolean—it can be `true` to make sure suggestions aren't rendered, or `false`/`undefined` to fall back to the default behaviour of showing suggestions when matching autocompletion items are found.
 
-### `__nextHasNoMarginBottom: Boolean`
-
-Start opting into the new margin-free styles that will become the default in a future version, currently scheduled to be WordPress 6.4. (The prop can be safely removed once this happens.)
-
 ## Example
 
 
@@ -156,7 +152,6 @@ registerBlockType( /* ... */, {
 	edit( { className, attributes, setAttributes } ) {
 		return (
 			<URLInput
-				__nextHasNoMarginBottom
 				className={ className }
 				value={ attributes.url }
 				onChange={ ( url, post ) => setAttributes( { url, text: (post && post.title) || 'Click here' } ) }
diff --git a/packages/block-editor/src/components/url-input/button.js b/packages/block-editor/src/components/url-input/button.js
index fca054993e7c3..6ee6b96f61e0e 100644
--- a/packages/block-editor/src/components/url-input/button.js
+++ b/packages/block-editor/src/components/url-input/button.js
@@ -57,7 +57,6 @@ class URLInputButton extends Component {
 								onClick={ this.toggle }
 							/>
 							<URLInput
-								__nextHasNoMarginBottom
 								value={ url || '' }
 								onChange={ onChange }
 							/>
diff --git a/packages/block-editor/src/components/url-input/index.js b/packages/block-editor/src/components/url-input/index.js
index 36e279f94cc79..8360bfada853c 100644
--- a/packages/block-editor/src/components/url-input/index.js
+++ b/packages/block-editor/src/components/url-input/index.js
@@ -6,7 +6,6 @@ import clsx from 'clsx';
 /**
  * WordPress dependencies
  */
-import deprecated from '@wordpress/deprecated';
 import { __, sprintf, _n } from '@wordpress/i18n';
 import { Component, createRef } from '@wordpress/element';
 import { UP, DOWN, ENTER, TAB } from '@wordpress/keycodes';
@@ -416,8 +415,6 @@ class URLInput extends Component {
 
 	renderControl() {
 		const {
-			/** Start opting into the new margin-free styles that will become the default in a future version. */
-			__nextHasNoMarginBottom = false,
 			label = null,
 			className,
 			isFullWidth,
@@ -473,19 +470,8 @@ class URLInput extends Component {
 			return renderControl( controlProps, inputProps, loading );
 		}
 
-		if ( ! __nextHasNoMarginBottom ) {
-			deprecated( 'Bottom margin styles for wp.blockEditor.URLInput', {
-				since: '6.2',
-				version: '6.5',
-				hint: 'Set the `__nextHasNoMarginBottom` prop to true to start opting into the new styles, which will become the default in a future version',
-			} );
-		}
-
 		return (
-			<BaseControl
-				__nextHasNoMarginBottom={ __nextHasNoMarginBottom }
-				{ ...controlProps }
-			>
+			<BaseControl __nextHasNoMarginBottom { ...controlProps }>
 				<input { ...inputProps } />
 				{ loading && <Spinner /> }
 			</BaseControl>
diff --git a/packages/block-editor/src/components/url-popover/link-editor.js b/packages/block-editor/src/components/url-popover/link-editor.js
index dc9d6d45590d3..e7d39eed764b8 100644
--- a/packages/block-editor/src/components/url-popover/link-editor.js
+++ b/packages/block-editor/src/components/url-popover/link-editor.js
@@ -31,7 +31,6 @@ export default function LinkEditor( {
 			{ ...props }
 		>
 			<URLInput
-				__nextHasNoMarginBottom
 				value={ value }
 				onChange={ onChangeInputValue }
 				autocompleteRef={ autocompleteRef }
diff --git a/packages/block-library/src/social-link/edit.js b/packages/block-library/src/social-link/edit.js
index 6afcedfd76356..8f372a73ea6c9 100644
--- a/packages/block-library/src/social-link/edit.js
+++ b/packages/block-library/src/social-link/edit.js
@@ -58,7 +58,6 @@ const SocialLinkURLPopover = ( {
 			>
 				<div className="block-editor-url-input">
 					<URLInput
-						__nextHasNoMarginBottom
 						value={ url }
 						onChange={ ( nextURL ) =>
 							setAttributes( { url: nextURL } )