diff --git a/src/Assets/Assets.php b/src/Assets/Assets.php
index 7061cff..fa88adb 100755
--- a/src/Assets/Assets.php
+++ b/src/Assets/Assets.php
@@ -190,13 +190,19 @@ public function filter_print_before_after_script( $tag, $handle ): string {
 	/**
 	 * Get the Asset Object configuration.
 	 *
-	 * @param string|array $slug Slug of the Asset.
-	 * @param boolean $sort If we should do any sorting before returning.
+	 * @param string|string[]|null $slug Slug of the Asset, array of slugs, or null for all assets.
+	 * @param bool                 $sort If we should do any sorting before returning.
 	 *
-	 * @return array|Asset Array of asset objects, single asset object, or null if looking for a single asset but
-	 *                           it was not in the array of objects.
-	 * @since 1.0.0
+	 * @return Asset[]|Asset|null Array of asset objects, a single Asset object, or null if looking
+	 *     for a single Asset but it was not found.
+	 *
+	 * @phpstan-return (
+	 *     $slug is null ? array<string, Asset> :
+	 *     ($slug is string ? Asset|null :
+	 *     ($slug is array ? array<string, Asset> : mixed))
+	 * )
 	 *
+	 * @since 1.0.0
 	 */
 	public function get( $slug = null, $sort = true ) {
 		$obj = $this;
@@ -249,11 +255,7 @@ public function get( $slug = null, $sort = true ) {
 		// Prevent weird stuff here.
 		$slug = sanitize_key( $slug );
 
-		if ( ! empty( $this->assets[ $slug ] ) ) {
-			return $this->assets[ $slug ];
-		}
-
-		return [];
+		return $this->assets[ $slug ] ?? null;
 	}
 
 	/**
@@ -696,7 +698,7 @@ public function register_in_wp( $assets = null ) {
 		)
 		) {
 			// Registering the asset now would trigger a doing_it_wrong notice: queue the assets to be registered later.
-			if ( $assets === null || empty( $assets ) ) {
+			if ( empty( $assets ) ) {
 				return;
 			}
 
@@ -829,9 +831,32 @@ public function remove( $slug ) {
 	}
 
 	/**
-	 * Prints the `script` (JS) and `link` (CSS) HTML tags associated with one or more assets groups.
+	 * Remove all assets.
+	 *
+	 * @since 1.5.0
+	 *
+	 * @return int The number of assets successfully removed.
+	 */
+	public function remove_all() {
+		$removed = 0;
+
+		foreach ( $this->assets as $slug => $asset ) {
+			if ( ! $this->remove( $slug ) ) {
+				continue;
+			}
+
+			++$removed;
+		}
+
+		return $removed;
+	}
+
+	/**
+	 * Prints the `script` (JS) and `link` (CSS) HTML tags associated with one or more assets
+	 * groups.
 	 *
-	 * The method will force the scripts and styles to print overriding their registration and conditional.
+	 * The method will force the scripts and styles to print overriding their registration and
+	 * conditional.
 	 *
 	 * @since 1.0.0
 	 *
diff --git a/tests/wpunit/AssetsTest.php b/tests/wpunit/AssetsTest.php
index f7b9229..83892e3 100644
--- a/tests/wpunit/AssetsTest.php
+++ b/tests/wpunit/AssetsTest.php
@@ -26,9 +26,11 @@ public function setUp() {
 		Config::set_relative_asset_path( 'tests/_data/' );
 	}
 
-	public function tearDown() {
-		parent::tearDown();
+	protected function tearDown() {
+		// Remove all assets.
+		Assets::init()->remove_all();
 		Config::reset();
+		parent::tearDown();
 	}
 
 	/**
@@ -47,6 +49,9 @@ public function unset_uopz_redefines() {
 		self::$uopz_redefines = [];
 	}
 
+	/**
+	 * @test
+	 */
 	public function it_should_accept_instance_of_asset_or_array_of_assets_in_register_in_wp() {
 		$asset_1 = Asset::add( 'fake1-script', 'fake1.js' );
 		$asset_2 = Asset::add( 'fake1-style', 'fake1.css' );
@@ -56,8 +61,8 @@ public function it_should_accept_instance_of_asset_or_array_of_assets_in_registe
 
 		$assets = Assets::init();
 
-		$assets->register_in_wp( null ); // No problemo... nothing happens though.
-		$assets->register_in_wp( [] ); // No problemo... nothing happens though.
+		// An empty array should not cause any assets to be registered.
+		$assets->register_in_wp( [] );
 
 		$this->assertFalse( $asset_1->is_registered() );
 		$assets->register_in_wp( $asset_1 );
@@ -74,6 +79,75 @@ public function it_should_accept_instance_of_asset_or_array_of_assets_in_registe
 		$this->assertTrue( $asset_5->is_registered() );
 	}
 
+	/**
+	 * @test
+	 */
+	public function it_should_remove_all_assets() {
+		Asset::add( 'asset-1', 'asset-1.js' );
+		Asset::add( 'asset-2', 'asset-2.js' );
+		Asset::add( 'asset-3', 'asset-3.js' );
+
+		$assets = Assets::init();
+
+		$this->assertCount( 3, $assets->get() );
+		$this->assertSame( 3, $assets->remove_all() );
+		$this->assertCount( 0, $assets->get() );
+	}
+
+	/**
+	 * @test
+	 */
+	public function it_should_return_null_when_single_asset_not_found() {
+		Asset::add( 'asset-1', 'asset-1.js' );
+		Asset::add( 'asset-2', 'asset-2.js' );
+		Asset::add( 'asset-3', 'asset-3.js' );
+
+		$result = Assets::init()->get( 'unknown-slug' );
+		$this->assertNull( $result );
+	}
+
+	/**
+	 * @test
+	 */
+	public function it_should_return_empty_array_when_no_assets() {
+		$result = Assets::init()->get();
+		$this->assertSame( [], $result );
+	}
+
+	/**
+	 * @test
+	 */
+	public function it_gets_single_asset() {
+		Asset::add( 'my-single-asset', 'my-single-asset.js' );
+		$result = Assets::init()->get( 'my-single-asset' );
+		$this->assertInstanceOf( Asset::class, $result );
+	}
+
+	/**
+	 * @test
+	 */
+	public function it_gets_a_subset_of_assets() {
+		Asset::add( 'asset-1', 'asset-1.js' );
+		Asset::add( 'asset-2', 'asset-2.js' );
+		Asset::add( 'asset-3', 'asset-3.js' );
+
+		$assets = Assets::init();
+
+		$result = $assets->get( ['asset-2', 'asset-3'] );
+		$this->assertIsArray( $result );
+		$this->assertCount( 2, $result );
+		$this->assertArrayNotHasKey( 'asset-1', $result );
+		$this->assertArrayHasKey( 'asset-2', $result );
+		$this->assertArrayHasKey( 'asset-3', $result );
+
+		$single = $assets->get( ['asset-1'] );
+		$this->assertIsArray( $single );
+		$this->assertCount( 1, $single );
+		$this->assertArrayHasKey( 'asset-1', $single );
+		$this->assertArrayNotHasKey( 'asset-2', $single );
+		$this->assertArrayNotHasKey( 'asset-3', $single );
+	}
+
 	public function invalid_params_for_register_in_wp_provider(): Generator {
 		yield 'string'         => [ fn() => 'string' ];
 		yield 'int'            => [ fn() => 1 ];
@@ -121,7 +195,7 @@ public function it_should_locate_minified_versions_of_external_assets() {
 		$slugs = [
 			'fake1' => [ true, false ],
 			'fake2' => [ false, false ],
-			'fake3' => [ true, true ]
+			'fake3' => [ true, true ],
 		];
 
 		foreach ( array_keys( $slugs ) as $slug ) {
@@ -143,7 +217,7 @@ public function it_should_get_the_correct_url_when_wp_content_dir_and_wp_content
 		$slugs = [
 			'fake1' => [ 'has_min' => true, 'has_only_min' => false ],
 			'fake2' => [ 'has_min' => false, 'has_only_min' => false ],
-			'fake3' => [ 'has_min' => true, 'has_only_min' => true ]
+			'fake3' => [ 'has_min' => true, 'has_only_min' => true ],
 		];
 
 		foreach ( array_keys( $slugs ) as $slug ) {
@@ -183,7 +257,7 @@ public function it_should_get_the_correct_url_when_wp_content_dir_and_wp_content
 		$slugs = [
 			'fake1' => [ true, false ],
 			'fake2' => [ false, false ],
-			'fake3' => [ true, true ]
+			'fake3' => [ true, true ],
 		];
 
 		foreach ( array_keys( $slugs ) as $slug ) {
@@ -224,7 +298,7 @@ public function it_should_get_the_correct_url_when_wp_content_dir_and_wp_content
 		$slugs = [
 			'fake1' => [ true, false ],
 			'fake2' => [ false, false ],
-			'fake3' => [ true, true ]
+			'fake3' => [ true, true ],
 		];
 
 		foreach ( array_keys( $slugs ) as $slug ) {
@@ -265,7 +339,7 @@ public function it_should_get_the_correct_url_when_wp_content_dir_and_wp_content
 		$slugs = [
 			'fake1' => [ 'has_min' => true, 'has_only_min' => false ],
 			'fake2' => [ 'has_min' => false, 'has_only_min' => false ],
-			'fake3' => [ 'has_min' => true, 'has_only_min' => true ]
+			'fake3' => [ 'has_min' => true, 'has_only_min' => true ],
 		];
 
 		foreach ( array_keys( $slugs ) as $slug ) {
@@ -462,7 +536,7 @@ public function should_localize_data_correctly(): void {
 		     ->register();
 		Asset::add( 'my-second-script-mod', 'second-script-mod.js' )
 		     ->add_localize_script( 'boomshakalakaProjectSecondScriptModData', [
-			     'animal' => 'horse'
+			     'animal' => 'horse',
 		     ] )
 		     ->register();
 
@@ -513,7 +587,7 @@ public function should_localize_dot_notation_data_correctly(): void {
 		     ->register();
 		Asset::add( 'my-second-ns-script-mod', 'second-script-mod.js' )
 		     ->add_localize_script( 'boomshakalaka.project.secondScriptData', [
-			     'animal' => 'horse'
+			     'animal' => 'horse',
 		     ] )
 		     ->register();