diff --git a/src/wp-includes/block-editor.php b/src/wp-includes/block-editor.php
index bdca0d2c08528..4b9aa76b94000 100644
--- a/src/wp-includes/block-editor.php
+++ b/src/wp-includes/block-editor.php
@@ -211,10 +211,27 @@ function get_default_block_editor_settings() {
 		);
 	}
 
+	$allowed_mime_types = get_allowed_mime_types();
+
+	// Check if WebP images can be edited.
+	if ( ! wp_image_editor_supports( array( 'mime_type' => 'image/webp' ) ) ) {
+		unset( $allowed_mime_types['image/webp'] );
+	}
+
+	// Check if AVIF images can be edited.
+	if ( ! wp_image_editor_supports( array( 'mime_type' => 'image/avif' ) ) ) {
+		unset( $allowed_mime_types['image/avif'] );
+	}
+
+	// Check if HEIC images can be edited.
+	if ( ! wp_image_editor_supports( array( 'mime_type' => 'image/heic' ) ) ) {
+		unset( $allowed_mime_types['image/heic'] );
+	}
+
 	$editor_settings = array(
 		'alignWide'                        => get_theme_support( 'align-wide' ),
 		'allowedBlockTypes'                => true,
-		'allowedMimeTypes'                 => get_allowed_mime_types(),
+		'allowedMimeTypes'                 => $allowed_mime_types,
 		'defaultEditorStyles'              => $default_editor_styles,
 		'blockCategories'                  => get_default_block_categories(),
 		'isRTL'                            => is_rtl(),
diff --git a/tests/phpunit/tests/blocks/editor.php b/tests/phpunit/tests/blocks/editor.php
index 0682839605da9..a04d3638d745a 100644
--- a/tests/phpunit/tests/blocks/editor.php
+++ b/tests/phpunit/tests/blocks/editor.php
@@ -199,6 +199,7 @@ public function test_get_allowed_block_types_deprecated_filter_post_editor() {
 
 	/**
 	 * @ticket 52920
+	 * @ticket 61167
 	 */
 	public function test_get_default_block_editor_settings() {
 		$settings = get_default_block_editor_settings();
@@ -300,6 +301,26 @@ public function test_get_default_block_editor_settings() {
 		);
 		$this->assertIsInt( $settings['maxUploadFileSize'] );
 		$this->assertTrue( $settings['__unstableGalleryWithImageBlocks'] );
+
+		// Confirm that `allowedMimeTypes` matches the supported mime types.
+		$allowed_mime_types = get_allowed_mime_types();
+
+		// Check if WebP images can be edited.
+		if ( ! wp_image_editor_supports( array( 'mime_type' => 'image/webp' ) ) ) {
+			unset( $allowed_mime_types['image/webp'] );
+		}
+
+		// Check if AVIF images can be edited.
+		if ( ! wp_image_editor_supports( array( 'mime_type' => 'image/avif' ) ) ) {
+			unset( $allowed_mime_types['image/avif'] );
+		}
+
+		// Check if HEIC images can be edited.
+		if ( ! wp_image_editor_supports( array( 'mime_type' => 'image/heic' ) ) ) {
+			unset( $allowed_mime_types['image/heic'] );
+		}
+
+		$this->assertSameSets( $allowed_mime_types, $settings['allowedMimeTypes'] );
 	}
 
 	/**